]> git.donarmstrong.com Git - mothur.git/blobdiff - chimeraslayercommand.cpp
changed random forest output filename
[mothur.git] / chimeraslayercommand.cpp
index 38c097f18b8124f1dadbd657af8413fc74f895c8..f01bd3ee9d9bb3611b52b38819f98300da9cff39 100644 (file)
  */
 
 #include "chimeraslayercommand.h"
-#include "chimeraslayer.h"
 #include "deconvolutecommand.h"
+#include "referencedb.h"
+#include "sequenceparser.h"
+#include "counttable.h"
 
 //**********************************************************************************************************************
-vector<string> ChimeraSlayerCommand::getValidParameters(){     
+vector<string> ChimeraSlayerCommand::setParameters(){  
        try {
-               string AlignArray[] =  {"fasta", "processors","trim", "name","window", "include","template","numwanted", "ksize", "match","mismatch", 
-                       "divergence", "minsim","mincov","minbs", "minsnp","parents", "iters","outputdir","inputdir", "search","realign" };
-               vector<string> myArray (AlignArray, AlignArray+(sizeof(AlignArray)/sizeof(string)));
+               CommandParameter ptemplate("reference", "InputTypes", "", "", "none", "none", "none","",false,true,true); parameters.push_back(ptemplate);
+               CommandParameter pfasta("fasta", "InputTypes", "", "", "none", "none", "none","chimera-accnos",false,true,true); parameters.push_back(pfasta);
+               CommandParameter pname("name", "InputTypes", "", "", "NameCount", "none", "none","",false,false,true); parameters.push_back(pname);
+         CommandParameter pcount("count", "InputTypes", "", "", "NameCount-CountGroup", "none", "none","",false,false,true); parameters.push_back(pcount);
+               CommandParameter pgroup("group", "InputTypes", "", "", "CountGroup", "none", "none","",false,false,true); parameters.push_back(pgroup);
+               CommandParameter pwindow("window", "Number", "", "50", "", "", "","",false,false); parameters.push_back(pwindow);
+               CommandParameter pksize("ksize", "Number", "", "7", "", "", "","",false,false); parameters.push_back(pksize);
+               CommandParameter pmatch("match", "Number", "", "5.0", "", "", "","",false,false); parameters.push_back(pmatch);
+               CommandParameter pmismatch("mismatch", "Number", "", "-4.0", "", "", "","",false,false); parameters.push_back(pmismatch);
+               CommandParameter pminsim("minsim", "Number", "", "90", "", "", "","",false,false); parameters.push_back(pminsim);
+               CommandParameter pmincov("mincov", "Number", "", "70", "", "", "","",false,false); parameters.push_back(pmincov);
+               CommandParameter pminsnp("minsnp", "Number", "", "10", "", "", "","",false,false); parameters.push_back(pminsnp);
+               CommandParameter pminbs("minbs", "Number", "", "90", "", "", "","",false,false); parameters.push_back(pminbs);
+               CommandParameter psearch("search", "Multiple", "kmer-blast", "blast", "", "", "","",false,false); parameters.push_back(psearch);
+               CommandParameter pprocessors("processors", "Number", "", "1", "", "", "","",false,false,true); parameters.push_back(pprocessors);
+        
+               CommandParameter prealign("realign", "Boolean", "", "T", "", "", "","",false,false); parameters.push_back(prealign);
+               CommandParameter ptrim("trim", "Boolean", "", "F", "", "", "","fasta",false,false); parameters.push_back(ptrim);
+               CommandParameter psplit("split", "Boolean", "", "F", "", "", "","",false,false); parameters.push_back(psplit);
+               CommandParameter pnumwanted("numwanted", "Number", "", "15", "", "", "","",false,false); parameters.push_back(pnumwanted);
+               CommandParameter piters("iters", "Number", "", "1000", "", "", "","",false,false); parameters.push_back(piters);
+               CommandParameter pdivergence("divergence", "Number", "", "1.007", "", "", "","",false,false); parameters.push_back(pdivergence);
+        CommandParameter pdups("dereplicate", "Boolean", "", "F", "", "", "","",false,false); parameters.push_back(pdups);
+               CommandParameter pparents("parents", "Number", "", "3", "", "", "","",false,false); parameters.push_back(pparents);
+               CommandParameter pincrement("increment", "Number", "", "5", "", "", "","",false,false); parameters.push_back(pincrement);
+               CommandParameter pblastlocation("blastlocation", "String", "", "", "", "", "","",false,false); parameters.push_back(pblastlocation);
+               CommandParameter pinputdir("inputdir", "String", "", "", "", "", "","",false,false); parameters.push_back(pinputdir);
+               CommandParameter poutputdir("outputdir", "String", "", "", "", "", "","",false,false); parameters.push_back(poutputdir);
+               CommandParameter psave("save", "Boolean", "", "F", "", "", "","",false,false); parameters.push_back(psave);
+
+               vector<string> myArray;
+               for (int i = 0; i < parameters.size(); i++) {   myArray.push_back(parameters[i].name);          }
                return myArray;
        }
        catch(exception& e) {
-               m->errorOut(e, "ChimeraSlayerCommand", "getValidParameters");
+               m->errorOut(e, "ChimeraSlayerCommand", "setParameters");
                exit(1);
        }
 }
 //**********************************************************************************************************************
-ChimeraSlayerCommand::ChimeraSlayerCommand(){  
+string ChimeraSlayerCommand::getHelpString(){  
        try {
-               abort = true; calledHelp = true;
-               vector<string> tempOutNames;
-               outputTypes["chimera"] = tempOutNames;
-               outputTypes["accnos"] = tempOutNames;
-               outputTypes["fasta"] = tempOutNames;
+               string helpString = "";
+               helpString += "The chimera.slayer command reads a fastafile and referencefile and outputs potentially chimeric sequences.\n";
+               helpString += "This command was modeled after the chimeraSlayer written by the Broad Institute.\n";
+               helpString += "The chimera.slayer command parameters are fasta, name, group, template, processors, dereplicate, trim, ksize, window, match, mismatch, divergence. minsim, mincov, minbs, minsnp, parents, search, iters, increment, numwanted, blastlocation and realign.\n";
+               helpString += "The fasta parameter allows you to enter the fasta file containing your potentially chimeric sequences, and is required, unless you have a valid current fasta file. \n";
+               helpString += "The name parameter allows you to provide a name file, if you are using reference=self. \n";
+               helpString += "The group parameter allows you to provide a group file. The group file can be used with a namesfile and reference=self. When checking sequences, only sequences from the same group as the query sequence will be used as the reference. \n";
+        helpString += "The count parameter allows you to provide a count file. The count file reference=self. If your count file contains group information, when checking sequences, only sequences from the same group as the query sequence will be used as the reference. When you use a count file with group info and dereplicate=T, mothur will create a *.pick.count_table file containing seqeunces after chimeras are removed. \n";
+               helpString += "You may enter multiple fasta files by separating their names with dashes. ie. fasta=abrecovery.fasta-amazon.fasta \n";
+               helpString += "The reference parameter allows you to enter a reference file containing known non-chimeric sequences, and is required. You may also set template=self, in this case the abundant sequences will be used as potential parents. \n";
+               helpString += "The processors parameter allows you to specify how many processors you would like to use.  The default is 1. \n";
+#ifdef USE_MPI
+               helpString += "When using MPI, the processors parameter is set to the number of MPI processes running. \n";
+#endif
+        helpString += "If the dereplicate parameter is false, then if one group finds the seqeunce to be chimeric, then all groups find it to be chimeric, default=f.\n";
+               helpString += "The trim parameter allows you to output a new fasta file containing your sequences with the chimeric ones trimmed to include only their longest piece, default=F. \n";
+               helpString += "The split parameter allows you to check both pieces of non-chimeric sequence for chimeras, thus looking for trimeras and quadmeras. default=F. \n";
+               helpString += "The window parameter allows you to specify the window size for searching for chimeras, default=50. \n";
+               helpString += "The increment parameter allows you to specify how far you move each window while finding chimeric sequences, default=5.\n";
+               helpString += "The numwanted parameter allows you to specify how many sequences you would each query sequence compared with, default=15.\n";
+               helpString += "The ksize parameter allows you to input kmersize, default is 7, used if search is kmer. \n";
+               helpString += "The match parameter allows you to reward matched bases in blast search, default is 5. \n";
+               helpString += "The parents parameter allows you to select the number of potential parents to investigate from the numwanted best matches after rating them, default is 3. \n";
+               helpString += "The mismatch parameter allows you to penalize mismatched bases in blast search, default is -4. \n";
+               helpString += "The divergence parameter allows you to set a cutoff for chimera determination, default is 1.007. \n";
+               helpString += "The iters parameter allows you to specify the number of bootstrap iters to do with the chimeraslayer method, default=1000.\n";
+               helpString += "The minsim parameter allows you to specify a minimum similarity with the parent fragments, default=90. \n";
+               helpString += "The mincov parameter allows you to specify minimum coverage by closest matches found in template. Default is 70, meaning 70%. \n";
+               helpString += "The minbs parameter allows you to specify minimum bootstrap support for calling a sequence chimeric. Default is 90, meaning 90%. \n";
+               helpString += "The minsnp parameter allows you to specify percent of SNPs to sample on each side of breakpoint for computing bootstrap support (default: 10) \n";
+               helpString += "The search parameter allows you to specify search method for finding the closest parent. Choices are blast, and kmer, default blast. \n";
+               helpString += "The realign parameter allows you to realign the query to the potential parents. Choices are true or false, default true.  \n";
+               helpString += "The blastlocation parameter allows you to specify the location of your blast executable. By default mothur will look in ./blast/bin relative to mothur's executable.  \n";
+               helpString += "If the save parameter is set to true the reference sequences will be saved in memory, to clear them later you can use the clear.memory command. Default=f.";
+               helpString += "The chimera.slayer command should be in the following format: \n";
+               helpString += "chimera.slayer(fasta=yourFastaFile, reference=yourTemplate, search=yourSearch) \n";
+               helpString += "Example: chimera.slayer(fasta=AD.align, reference=core_set_aligned.imputed.fasta, search=kmer) \n";
+               helpString += "Note: No spaces between parameter labels (i.e. fasta), '=' and parameters (i.e.yourFastaFile).\n";       
+               return helpString;
        }
        catch(exception& e) {
-               m->errorOut(e, "ChimeraSlayerCommand", "ChimeraSlayerCommand");
+               m->errorOut(e, "ChimeraSlayerCommand", "getHelpString");
                exit(1);
        }
 }
 //**********************************************************************************************************************
-vector<string> ChimeraSlayerCommand::getRequiredParameters(){  
-       try {
-               string AlignArray[] =  {"template","fasta"};
-               vector<string> myArray (AlignArray, AlignArray+(sizeof(AlignArray)/sizeof(string)));
-               return myArray;
-       }
-       catch(exception& e) {
-               m->errorOut(e, "ChimeraSlayerCommand", "getRequiredParameters");
-               exit(1);
-       }
+string ChimeraSlayerCommand::getOutputPattern(string type) {
+    try {
+        string pattern = "";
+        
+        if (type == "chimera") {  pattern = "[filename],slayer.chimeras"; } 
+        else if (type == "accnos") {  pattern = "[filename],slayer.accnos"; } 
+        else if (type == "fasta") {  pattern = "[filename],slayer.fasta"; }
+        else if (type == "count") {  pattern = "[filename],slayer.pick.count_table"; } 
+        else { m->mothurOut("[ERROR]: No definition for type " + type + " output pattern.\n"); m->control_pressed = true;  }
+        
+        return pattern;
+    }
+    catch(exception& e) {
+        m->errorOut(e, "ChimeraSlayerCommand", "getOutputPattern");
+        exit(1);
+    }
 }
 //**********************************************************************************************************************
-vector<string> ChimeraSlayerCommand::getRequiredFiles(){       
+ChimeraSlayerCommand::ChimeraSlayerCommand(){  
        try {
-               vector<string> myArray;
-               return myArray;
+               abort = true; calledHelp = true;
+               setParameters();
+               vector<string> tempOutNames;
+               outputTypes["chimera"] = tempOutNames;
+               outputTypes["accnos"] = tempOutNames;
+               outputTypes["fasta"] = tempOutNames;
+        outputTypes["count"] = tempOutNames;
        }
        catch(exception& e) {
-               m->errorOut(e, "ChimeraSlayerCommand", "getRequiredFiles");
+               m->errorOut(e, "ChimeraSlayerCommand", "ChimeraSlayerCommand");
                exit(1);
        }
 }
@@ -65,15 +141,16 @@ vector<string> ChimeraSlayerCommand::getRequiredFiles(){
 ChimeraSlayerCommand::ChimeraSlayerCommand(string option)  {
        try {
                abort = false; calledHelp = false;   
+               ReferenceDB* rdb = ReferenceDB::getInstance();
+        hasCount = false;
+        hasName = false;
                
                //allow user to run help
                if(option == "help") { help(); abort = true; calledHelp = true; }
+               else if(option == "citation") { citation(); abort = true; calledHelp = true;}
                
                else {
-                       //valid paramters for this command
-                       string Array[] =  {"fasta", "processors","name", "include","trim", "window", "template","numwanted", "ksize", "match","mismatch", 
-                       "divergence", "minsim","mincov","minbs", "minsnp","parents", "iters","outputdir","inputdir", "search","realign" };
-                       vector<string> myArray (Array, Array+(sizeof(Array)/sizeof(string)));
+                       vector<string> myArray = setParameters();
                        
                        OptionParser parser(option);
                        map<string,string> parameters = parser.getParameters();
@@ -90,6 +167,7 @@ ChimeraSlayerCommand::ChimeraSlayerCommand(string option)  {
                        outputTypes["chimera"] = tempOutNames;
                        outputTypes["accnos"] = tempOutNames;
                        outputTypes["fasta"] = tempOutNames;
+            outputTypes["count"] = tempOutNames;
                
                        //if the user changes the input directory command factory will send this info to us in the output parameter 
                        string inputDir = validParameter.validFile(parameters, "inputdir", false);              
@@ -97,53 +175,75 @@ ChimeraSlayerCommand::ChimeraSlayerCommand(string option)  {
                                                
                        //check for required parameters
                        fastafile = validParameter.validFile(parameters, "fasta", false);
-                       if (fastafile == "not found") { fastafile = ""; m->mothurOut("[ERROR]: fasta is a required parameter for the chimera.slayer command."); m->mothurOutEndLine(); abort = true;  }
-                       else { 
+                       if (fastafile == "not found") {                                 
+                               //if there is a current fasta file, use it
+                               string filename = m->getFastaFile(); 
+                               if (filename != "") { fastaFileNames.push_back(filename); m->mothurOut("Using " + filename + " as input file for the fasta parameter."); m->mothurOutEndLine(); }
+                               else {  m->mothurOut("You have no current fastafile and the fasta parameter is required."); m->mothurOutEndLine(); abort = true; }
+                       }else { 
                                m->splitAtDash(fastafile, fastaFileNames);
                                
                                //go through files and make sure they are good, if not, then disregard them
                                for (int i = 0; i < fastaFileNames.size(); i++) {
-                                       if (inputDir != "") {
-                                               string path = m->hasPath(fastaFileNames[i]);
-                                               //if the user has not given a path then, add inputdir. else leave path alone.
-                                               if (path == "") {       fastaFileNames[i] = inputDir + fastaFileNames[i];               }
-                                       }
-       
-                                       int ableToOpen;
-                                       ifstream in;
                                        
-                                       ableToOpen = m->openInputFile(fastaFileNames[i], in, "noerror");
-                               
-                                       //if you can't open it, try default location
-                                       if (ableToOpen == 1) {
-                                               if (m->getDefaultPath() != "") { //default path is set
-                                                       string tryPath = m->getDefaultPath() + m->getSimpleName(fastaFileNames[i]);
-                                                       m->mothurOut("Unable to open " + fastaFileNames[i] + ". Trying default " + tryPath); m->mothurOutEndLine();
-                                                       ifstream in2;
-                                                       ableToOpen = m->openInputFile(tryPath, in2, "noerror");
-                                                       in2.close();
-                                                       fastaFileNames[i] = tryPath;
+                                       bool ignore = false;
+                                       if (fastaFileNames[i] == "current") { 
+                                               fastaFileNames[i] = m->getFastaFile(); 
+                                               if (fastaFileNames[i] != "") {  m->mothurOut("Using " + fastaFileNames[i] + " as input file for the fasta parameter where you had given current."); m->mothurOutEndLine(); }
+                                               else {  
+                                                       m->mothurOut("You have no current fastafile, ignoring current."); m->mothurOutEndLine(); ignore=true; 
+                                                       //erase from file list
+                                                       fastaFileNames.erase(fastaFileNames.begin()+i);
+                                                       i--;
                                                }
                                        }
                                        
-                                       if (ableToOpen == 1) {
-                                               if (m->getOutputDir() != "") { //default path is set
-                                                       string tryPath = m->getOutputDir() + m->getSimpleName(fastaFileNames[i]);
-                                                       m->mothurOut("Unable to open " + fastaFileNames[i] + ". Trying output directory " + tryPath); m->mothurOutEndLine();
-                                                       ifstream in2;
-                                                       ableToOpen = m->openInputFile(tryPath, in2, "noerror");
-                                                       in2.close();
-                                                       fastaFileNames[i] = tryPath;
+                                       if (!ignore) {
+                                               
+                                               if (inputDir != "") {
+                                                       string path = m->hasPath(fastaFileNames[i]);
+                                                       //if the user has not given a path then, add inputdir. else leave path alone.
+                                                       if (path == "") {       fastaFileNames[i] = inputDir + fastaFileNames[i];               }
                                                }
-                                       }
-                                       
-                                       in.close();
+               
+                                               int ableToOpen;
+                                               ifstream in;
+                                               
+                                               ableToOpen = m->openInputFile(fastaFileNames[i], in, "noerror");
                                        
-                                       if (ableToOpen == 1) { 
-                                               m->mothurOut("Unable to open " + fastaFileNames[i] + ". It will be disregarded."); m->mothurOutEndLine(); 
-                                               //erase from file list
-                                               fastaFileNames.erase(fastaFileNames.begin()+i);
-                                               i--;
+                                               //if you can't open it, try default location
+                                               if (ableToOpen == 1) {
+                                                       if (m->getDefaultPath() != "") { //default path is set
+                                                               string tryPath = m->getDefaultPath() + m->getSimpleName(fastaFileNames[i]);
+                                                               m->mothurOut("Unable to open " + fastaFileNames[i] + ". Trying default " + tryPath); m->mothurOutEndLine();
+                                                               ifstream in2;
+                                                               ableToOpen = m->openInputFile(tryPath, in2, "noerror");
+                                                               in2.close();
+                                                               fastaFileNames[i] = tryPath;
+                                                       }
+                                               }
+                                               
+                                               if (ableToOpen == 1) {
+                                                       if (m->getOutputDir() != "") { //default path is set
+                                                               string tryPath = m->getOutputDir() + m->getSimpleName(fastaFileNames[i]);
+                                                               m->mothurOut("Unable to open " + fastaFileNames[i] + ". Trying output directory " + tryPath); m->mothurOutEndLine();
+                                                               ifstream in2;
+                                                               ableToOpen = m->openInputFile(tryPath, in2, "noerror");
+                                                               in2.close();
+                                                               fastaFileNames[i] = tryPath;
+                                                       }
+                                               }
+                                               
+                                               in.close();
+                                               
+                                               if (ableToOpen == 1) { 
+                                                       m->mothurOut("Unable to open " + fastaFileNames[i] + ". It will be disregarded."); m->mothurOutEndLine(); 
+                                                       //erase from file list
+                                                       fastaFileNames.erase(fastaFileNames.begin()+i);
+                                                       i--;
+                                               }else {
+                                                       m->setFastaFile(fastaFileNames[i]);
+                                               }
                                        }
                                }
                                
@@ -153,141 +253,406 @@ ChimeraSlayerCommand::ChimeraSlayerCommand(string option)  {
                        
                        
                        //check for required parameters
-                       bool hasName = true;
                        namefile = validParameter.validFile(parameters, "name", false);
-                       if (namefile == "not found") { namefile = "";  hasName = false; }
+                       if (namefile == "not found") { namefile = "";   }
                        else { 
                                m->splitAtDash(namefile, nameFileNames);
                                
                                //go through files and make sure they are good, if not, then disregard them
                                for (int i = 0; i < nameFileNames.size(); i++) {
-                                       if (inputDir != "") {
-                                               string path = m->hasPath(nameFileNames[i]);
-                                               //if the user has not given a path then, add inputdir. else leave path alone.
-                                               if (path == "") {       nameFileNames[i] = inputDir + nameFileNames[i];         }
-                                       }
                                        
-                                       int ableToOpen;
-                                       ifstream in;
+                                       bool ignore = false;
+                                       if (nameFileNames[i] == "current") { 
+                                               nameFileNames[i] = m->getNameFile(); 
+                                               if (nameFileNames[i] != "") {  m->mothurOut("Using " + nameFileNames[i] + " as input file for the name parameter where you had given current."); m->mothurOutEndLine(); }
+                                               else {  
+                                                       m->mothurOut("You have no current namefile, ignoring current."); m->mothurOutEndLine(); ignore=true; 
+                                                       //erase from file list
+                                                       nameFileNames.erase(nameFileNames.begin()+i);
+                                                       i--;
+                                               }
+                                       }
                                        
-                                       ableToOpen = m->openInputFile(nameFileNames[i], in, "noerror");
+                                       if (!ignore) {
+                                               
+                                               if (inputDir != "") {
+                                                       string path = m->hasPath(nameFileNames[i]);
+                                                       //if the user has not given a path then, add inputdir. else leave path alone.
+                                                       if (path == "") {       nameFileNames[i] = inputDir + nameFileNames[i];         }
+                                               }
+                                               
+                                               int ableToOpen;
+                                               ifstream in;
+                                               
+                                               ableToOpen = m->openInputFile(nameFileNames[i], in, "noerror");
+                                               
+                                               //if you can't open it, try default location
+                                               if (ableToOpen == 1) {
+                                                       if (m->getDefaultPath() != "") { //default path is set
+                                                               string tryPath = m->getDefaultPath() + m->getSimpleName(nameFileNames[i]);
+                                                               m->mothurOut("Unable to open " + nameFileNames[i] + ". Trying default " + tryPath); m->mothurOutEndLine();
+                                                               ifstream in2;
+                                                               ableToOpen = m->openInputFile(tryPath, in2, "noerror");
+                                                               in2.close();
+                                                               nameFileNames[i] = tryPath;
+                                                       }
+                                               }
+                                               
+                                               if (ableToOpen == 1) {
+                                                       if (m->getOutputDir() != "") { //default path is set
+                                                               string tryPath = m->getOutputDir() + m->getSimpleName(nameFileNames[i]);
+                                                               m->mothurOut("Unable to open " + nameFileNames[i] + ". Trying output directory " + tryPath); m->mothurOutEndLine();
+                                                               ifstream in2;
+                                                               ableToOpen = m->openInputFile(tryPath, in2, "noerror");
+                                                               in2.close();
+                                                               nameFileNames[i] = tryPath;
+                                                       }
+                                               }
+                                               
+                                               in.close();
+                                               
+                                               if (ableToOpen == 1) { 
+                                                       m->mothurOut("Unable to open " + nameFileNames[i] + ". It will be disregarded."); m->mothurOutEndLine(); 
+                                                       //erase from file list
+                                                       nameFileNames.erase(nameFileNames.begin()+i);
+                                                       i--;
+                                               }else {
+                                                       m->setNameFile(nameFileNames[i]);
+                                               }
+                                       }
+                               }
+                       }
+            
+            if (nameFileNames.size() != 0) { hasName = true; }
+            
+            //check for required parameters
+            vector<string> countfileNames;
+                       countfile = validParameter.validFile(parameters, "count", false);
+                       if (countfile == "not found") { 
+                countfile = "";  
+                       }else { 
+                               m->splitAtDash(countfile, countfileNames);
+                               
+                               //go through files and make sure they are good, if not, then disregard them
+                               for (int i = 0; i < countfileNames.size(); i++) {
                                        
-                                       //if you can't open it, try default location
-                                       if (ableToOpen == 1) {
-                                               if (m->getDefaultPath() != "") { //default path is set
-                                                       string tryPath = m->getDefaultPath() + m->getSimpleName(nameFileNames[i]);
-                                                       m->mothurOut("Unable to open " + nameFileNames[i] + ". Trying default " + tryPath); m->mothurOutEndLine();
-                                                       ifstream in2;
-                                                       ableToOpen = m->openInputFile(tryPath, in2, "noerror");
-                                                       in2.close();
-                                                       nameFileNames[i] = tryPath;
+                                       bool ignore = false;
+                                       if (countfileNames[i] == "current") { 
+                                               countfileNames[i] = m->getCountTableFile(); 
+                                               if (nameFileNames[i] != "") {  m->mothurOut("Using " + countfileNames[i] + " as input file for the count parameter where you had given current."); m->mothurOutEndLine(); }
+                                               else {  
+                                                       m->mothurOut("You have no current count file, ignoring current."); m->mothurOutEndLine(); ignore=true; 
+                                                       //erase from file list
+                                                       countfileNames.erase(countfileNames.begin()+i);
+                                                       i--;
                                                }
                                        }
                                        
-                                       if (ableToOpen == 1) {
-                                               if (m->getOutputDir() != "") { //default path is set
-                                                       string tryPath = m->getOutputDir() + m->getSimpleName(nameFileNames[i]);
-                                                       m->mothurOut("Unable to open " + nameFileNames[i] + ". Trying output directory " + tryPath); m->mothurOutEndLine();
-                                                       ifstream in2;
-                                                       ableToOpen = m->openInputFile(tryPath, in2, "noerror");
-                                                       in2.close();
-                                                       nameFileNames[i] = tryPath;
+                                       if (!ignore) {
+                                               
+                                               if (inputDir != "") {
+                                                       string path = m->hasPath(countfileNames[i]);
+                                                       //if the user has not given a path then, add inputdir. else leave path alone.
+                                                       if (path == "") {       countfileNames[i] = inputDir + countfileNames[i];               }
+                                               }
+                                               
+                                               int ableToOpen;
+                                               ifstream in;
+                                               
+                                               ableToOpen = m->openInputFile(countfileNames[i], in, "noerror");
+                                               
+                                               //if you can't open it, try default location
+                                               if (ableToOpen == 1) {
+                                                       if (m->getDefaultPath() != "") { //default path is set
+                                                               string tryPath = m->getDefaultPath() + m->getSimpleName(countfileNames[i]);
+                                                               m->mothurOut("Unable to open " + countfileNames[i] + ". Trying default " + tryPath); m->mothurOutEndLine();
+                                                               ifstream in2;
+                                                               ableToOpen = m->openInputFile(tryPath, in2, "noerror");
+                                                               in2.close();
+                                                               countfileNames[i] = tryPath;
+                                                       }
+                                               }
+                                               
+                                               if (ableToOpen == 1) {
+                                                       if (m->getOutputDir() != "") { //default path is set
+                                                               string tryPath = m->getOutputDir() + m->getSimpleName(countfileNames[i]);
+                                                               m->mothurOut("Unable to open " + countfileNames[i] + ". Trying output directory " + tryPath); m->mothurOutEndLine();
+                                                               ifstream in2;
+                                                               ableToOpen = m->openInputFile(tryPath, in2, "noerror");
+                                                               in2.close();
+                                                               countfileNames[i] = tryPath;
+                                                       }
+                                               }
+                                               
+                                               in.close();
+                                               
+                                               if (ableToOpen == 1) { 
+                                                       m->mothurOut("Unable to open " + countfileNames[i] + ". It will be disregarded."); m->mothurOutEndLine(); 
+                                                       //erase from file list
+                                                       countfileNames.erase(countfileNames.begin()+i);
+                                                       i--;
+                                               }else {
+                                                       m->setCountTableFile(countfileNames[i]);
                                                }
                                        }
+                               }
+                       }
+            
+            if (countfileNames.size() != 0) { hasCount = true; }
+            
+                       //make sure there is at least one valid file left
+            if (hasName && hasCount) { m->mothurOut("[ERROR]: You must enter ONLY ONE of the following: count or name."); m->mothurOutEndLine(); abort = true; }
+            
+            if (!hasName && hasCount) { nameFileNames = countfileNames; }
+            
+                       if ((hasCount || hasName) && (nameFileNames.size() != fastaFileNames.size())) { m->mothurOut("[ERROR]: The number of name or count files does not match the number of fastafiles, please correct."); m->mothurOutEndLine(); abort=true; }
+                       
+                       bool hasGroup = true;
+                       groupfile = validParameter.validFile(parameters, "group", false);
+                       if (groupfile == "not found") { groupfile = "";  hasGroup = false; }
+                       else { 
+                               m->splitAtDash(groupfile, groupFileNames);
+                               
+                               //go through files and make sure they are good, if not, then disregard them
+                               for (int i = 0; i < groupFileNames.size(); i++) {
                                        
-                                       in.close();
+                                       bool ignore = false;
+                                       if (groupFileNames[i] == "current") { 
+                                               groupFileNames[i] = m->getGroupFile(); 
+                                               if (groupFileNames[i] != "") {  m->mothurOut("Using " + groupFileNames[i] + " as input file for the group parameter where you had given current."); m->mothurOutEndLine(); }
+                                               else {  
+                                                       m->mothurOut("You have no current namefile, ignoring current."); m->mothurOutEndLine(); ignore=true; 
+                                                       //erase from file list
+                                                       groupFileNames.erase(groupFileNames.begin()+i);
+                                                       i--;
+                                               }
+                                       }
                                        
-                                       if (ableToOpen == 1) { 
-                                               m->mothurOut("Unable to open " + nameFileNames[i] + ". It will be disregarded."); m->mothurOutEndLine(); 
-                                               //erase from file list
-                                               nameFileNames.erase(nameFileNames.begin()+i);
-                                               i--;
+                                       if (!ignore) {
+                                               
+                                               if (inputDir != "") {
+                                                       string path = m->hasPath(groupFileNames[i]);
+                                                       //if the user has not given a path then, add inputdir. else leave path alone.
+                                                       if (path == "") {       groupFileNames[i] = inputDir + groupFileNames[i];               }
+                                               }
+                                               
+                                               int ableToOpen;
+                                               ifstream in;
+                                               
+                                               ableToOpen = m->openInputFile(groupFileNames[i], in, "noerror");
+                                               
+                                               //if you can't open it, try default location
+                                               if (ableToOpen == 1) {
+                                                       if (m->getDefaultPath() != "") { //default path is set
+                                                               string tryPath = m->getDefaultPath() + m->getSimpleName(groupFileNames[i]);
+                                                               m->mothurOut("Unable to open " + groupFileNames[i] + ". Trying default " + tryPath); m->mothurOutEndLine();
+                                                               ifstream in2;
+                                                               ableToOpen = m->openInputFile(tryPath, in2, "noerror");
+                                                               in2.close();
+                                                               groupFileNames[i] = tryPath;
+                                                       }
+                                               }
+                                               
+                                               if (ableToOpen == 1) {
+                                                       if (m->getOutputDir() != "") { //default path is set
+                                                               string tryPath = m->getOutputDir() + m->getSimpleName(groupFileNames[i]);
+                                                               m->mothurOut("Unable to open " + groupFileNames[i] + ". Trying output directory " + tryPath); m->mothurOutEndLine();
+                                                               ifstream in2;
+                                                               ableToOpen = m->openInputFile(tryPath, in2, "noerror");
+                                                               in2.close();
+                                                               groupFileNames[i] = tryPath;
+                                                       }
+                                               }
+                                               
+                                               in.close();
+                                               
+                                               if (ableToOpen == 1) { 
+                                                       m->mothurOut("Unable to open " + groupFileNames[i] + ". It will be disregarded."); m->mothurOutEndLine(); 
+                                                       //erase from file list
+                                                       groupFileNames.erase(groupFileNames.begin()+i);
+                                                       i--;
+                                               }else {
+                                                       m->setGroupFile(groupFileNames[i]);
+                                               }
                                        }
                                }
                                
                                //make sure there is at least one valid file left
-                               if (nameFileNames.size() == 0) { m->mothurOut("[ERROR]: no valid name files."); m->mothurOutEndLine(); abort = true; }
+                               if (groupFileNames.size() == 0) { m->mothurOut("[ERROR]: no valid group files."); m->mothurOutEndLine(); abort = true; }
                        }
                        
-                       if (hasName && (nameFileNames.size() != fastaFileNames.size())) { m->mothurOut("[ERROR]: The number of namefiles does not match the number of fastafiles, please correct."); m->mothurOutEndLine(); abort=true; }
+                       if (hasGroup && (groupFileNames.size() != fastaFileNames.size())) { m->mothurOut("[ERROR]: The number of groupfiles does not match the number of fastafiles, please correct."); m->mothurOutEndLine(); abort=true; }
                        
+            if (hasGroup && hasCount) { m->mothurOut("[ERROR]: You must enter ONLY ONE of the following: count or group."); m->mothurOutEndLine(); abort = true; }                     
                        //if the user changes the output directory command factory will send this info to us in the output parameter 
                        outputDir = validParameter.validFile(parameters, "outputdir", false);           if (outputDir == "not found"){  outputDir = ""; }
                        
+                       string temp = validParameter.validFile(parameters, "processors", false);        if (temp == "not found"){       temp = m->getProcessors();      }
+                       m->setProcessors(temp);
+                       m->mothurConvert(temp, processors);
+                       
+                       temp = validParameter.validFile(parameters, "save", false);                     if (temp == "not found"){       temp = "f";                             }
+                       save = m->isTrue(temp); 
+                       rdb->save = save; 
+                       if (save) { //clear out old references
+                               rdb->clearMemory();     
+                       }
                        
                        string path;
-                       it = parameters.find("template");
+                       it = parameters.find("reference");
                        //user has given a template file
                        if(it != parameters.end()){ 
-                               if (it->second == "self") { templatefile = "self"; }
+                               if (it->second == "self") { 
+                                       templatefile = "self"; 
+                                       if (save) {
+                                               m->mothurOut("[WARNING]: You can't save reference=self, ignoring save."); 
+                                               m->mothurOutEndLine();
+                                               save = false;
+                                       }
+                               }
                                else {
                                        path = m->hasPath(it->second);
                                        //if the user has not given a path then, add inputdir. else leave path alone.
-                                       if (path == "") {       parameters["template"] = inputDir + it->second;         }
+                                       if (path == "") {       parameters["reference"] = inputDir + it->second;                }
                                        
-                                       templatefile = validParameter.validFile(parameters, "template", true);
+                                       templatefile = validParameter.validFile(parameters, "reference", true);
                                        if (templatefile == "not open") { abort = true; }
-                                       else if (templatefile == "not found") { templatefile = "";  m->mothurOut("template is a required parameter for the chimera.slayer command."); m->mothurOutEndLine(); abort = true;  }   
+                                       else if (templatefile == "not found") { //check for saved reference sequences
+                                               if (rdb->referenceSeqs.size() != 0) {
+                                                       templatefile = "saved";
+                                               }else {
+                                                       m->mothurOut("[ERROR]: You don't have any saved reference sequences and the reference parameter is a required."); 
+                                                       m->mothurOutEndLine();
+                                                       abort = true; 
+                                               }
+                                       }else { if (save) {     rdb->setSavedReference(templatefile);   }       }       
                                }
+                       }else if (hasName) {  templatefile = "self"; 
+                               if (save) {
+                                       m->mothurOut("[WARNING]: You can't save reference=self, ignoring save."); 
+                                       m->mothurOutEndLine();
+                                       save = false;
+                               }
+                       }else if (hasCount) {  templatefile = "self"; 
+                               if (save) {
+                                       m->mothurOut("[WARNING]: You can't save reference=self, ignoring save."); 
+                                       m->mothurOutEndLine();
+                                       save = false;
+                               }
+                       }
+                       else { 
+                               if (rdb->referenceSeqs.size() != 0) {
+                                       templatefile = "saved";
+                               }else {
+                                       m->mothurOut("[ERROR]: You don't have any saved reference sequences and the reference parameter is a required."); 
+                                       m->mothurOutEndLine();
+                                       templatefile = ""; abort = true; 
+                               } 
                        }
                        
-                       string temp = validParameter.validFile(parameters, "processors", false);                if (temp == "not found") { temp = "1"; }
-                       convert(temp, processors);
                        
-                       includeAbunds = validParameter.validFile(parameters, "include", false);         if (includeAbunds == "not found") { includeAbunds = "greater"; }
-                       if ((includeAbunds != "greater") && (includeAbunds != "greaterequal") && (includeAbunds != "all")) { includeAbunds = "greater"; m->mothurOut("Invalid include setting. options are greater, greaterequal or all. using greater."); m->mothurOutEndLine(); }
                        
                        temp = validParameter.validFile(parameters, "ksize", false);                    if (temp == "not found") { temp = "7"; }
-                       convert(temp, ksize);
+                       m->mothurConvert(temp, ksize);
                                                
                        temp = validParameter.validFile(parameters, "window", false);                   if (temp == "not found") { temp = "50"; }                       
-                       convert(temp, window);
+                       m->mothurConvert(temp, window);
                        
                        temp = validParameter.validFile(parameters, "match", false);                    if (temp == "not found") { temp = "5"; }
-                       convert(temp, match);
+                       m->mothurConvert(temp, match);
                        
                        temp = validParameter.validFile(parameters, "mismatch", false);                 if (temp == "not found") { temp = "-4"; }
-                       convert(temp, mismatch);
+                       m->mothurConvert(temp, mismatch);
                        
                        temp = validParameter.validFile(parameters, "divergence", false);               if (temp == "not found") { temp = "1.007"; }
-                       convert(temp, divR);
+                       m->mothurConvert(temp, divR);
                        
                        temp = validParameter.validFile(parameters, "minsim", false);                   if (temp == "not found") { temp = "90"; }
-                       convert(temp, minSimilarity);
+                       m->mothurConvert(temp, minSimilarity);
                        
                        temp = validParameter.validFile(parameters, "mincov", false);                   if (temp == "not found") { temp = "70"; }
-                       convert(temp, minCoverage);
+                       m->mothurConvert(temp, minCoverage);
                        
                        temp = validParameter.validFile(parameters, "minbs", false);                    if (temp == "not found") { temp = "90"; }
-                       convert(temp, minBS);
+                       m->mothurConvert(temp, minBS);
                        
-                       temp = validParameter.validFile(parameters, "minsnp", false);                   if (temp == "not found") { temp = "100"; }
-                       convert(temp, minSNP);
+                       temp = validParameter.validFile(parameters, "minsnp", false);                   if (temp == "not found") { temp = "10"; }
+                       m->mothurConvert(temp, minSNP);
 
                        temp = validParameter.validFile(parameters, "parents", false);                  if (temp == "not found") { temp = "3"; }
-                       convert(temp, parents); 
+                       m->mothurConvert(temp, parents); 
                        
-                       temp = validParameter.validFile(parameters, "realign", false);                  if (temp == "not found") { temp = "f"; }
+                       temp = validParameter.validFile(parameters, "realign", false);                  if (temp == "not found") { temp = "t"; }
                        realign = m->isTrue(temp); 
                        
                        temp = validParameter.validFile(parameters, "trim", false);                             if (temp == "not found") { temp = "f"; }
                        trim = m->isTrue(temp); 
                        
-                       //temp = validParameter.validFile(parameters, "trimera", false);                                if (temp == "not found") { temp = "f"; }
-                       //trimera = m->isTrue(temp); 
+                       temp = validParameter.validFile(parameters, "split", false);                    if (temp == "not found") { temp = "f"; }
+                       trimera = m->isTrue(temp); 
                        
-                       search = validParameter.validFile(parameters, "search", false);                 if (search == "not found") { search = "distance"; }
+                       search = validParameter.validFile(parameters, "search", false);                 if (search == "not found") { search = "blast"; }
                        
-                       temp = validParameter.validFile(parameters, "iters", false);                    if (temp == "not found") { temp = "100"; }              
-                       convert(temp, iters); 
+                       temp = validParameter.validFile(parameters, "iters", false);                    if (temp == "not found") { temp = "1000"; }             
+                       m->mothurConvert(temp, iters); 
                         
                        temp = validParameter.validFile(parameters, "increment", false);                if (temp == "not found") { temp = "5"; }
-                       convert(temp, increment);
+                       m->mothurConvert(temp, increment);
                        
                        temp = validParameter.validFile(parameters, "numwanted", false);                if (temp == "not found") { temp = "15"; }               
-                       convert(temp, numwanted);
+                       m->mothurConvert(temp, numwanted);
+            
+                       temp = validParameter.validFile(parameters, "dereplicate", false);      
+                       if (temp == "not found") { temp = "false";                      }
+                       dups = m->isTrue(temp);
+                       
+                       blastlocation = validParameter.validFile(parameters, "blastlocation", false);   
+                       if (blastlocation == "not found") { blastlocation = ""; }
+                       else {
+                               //add / to name if needed
+                               string lastChar = blastlocation.substr(blastlocation.length()-1);
+#if defined (__APPLE__) || (__MACH__) || (linux) || (__linux) || (__linux__) || (__unix__) || (__unix)
+                               if (lastChar != "/") { blastlocation += "/"; }
+#else
+                               if (lastChar != "\\") { blastlocation += "\\"; }        
+#endif
+                               blastlocation = m->getFullPathName(blastlocation);
+                               string formatdbCommand = "";
+#if defined (__APPLE__) || (__MACH__) || (linux) || (__linux) || (__linux__) || (__unix__) || (__unix)
+                               formatdbCommand = blastlocation + "formatdb";   
+#else
+                               formatdbCommand = blastlocation + "formatdb.exe";
+#endif
+                               
+                               //test to make sure formatdb exists
+                               ifstream in;
+                               formatdbCommand = m->getFullPathName(formatdbCommand);
+                               int ableToOpen = m->openInputFile(formatdbCommand, in, "no error"); in.close();
+                               if(ableToOpen == 1) {   m->mothurOut("[ERROR]: " + formatdbCommand + " file does not exist. mothur requires formatdb.exe to run chimera.slayer."); m->mothurOutEndLine(); abort = true; }
+                               
+                               string blastCommand = "";
+#if defined (__APPLE__) || (__MACH__) || (linux) || (__linux) || (__linux__) || (__unix__) || (__unix)
+                               blastCommand = blastlocation + "megablast";     
+#else
+                               blastCommand = blastlocation + "megablast.exe";
+#endif
+                               //test to make sure formatdb exists
+                               ifstream in2;
+                               blastCommand = m->getFullPathName(blastCommand);
+                               ableToOpen = m->openInputFile(blastCommand, in2, "no error"); in2.close();
+                               if(ableToOpen == 1) {   m->mothurOut("[ERROR]: " + blastCommand + " file does not exist. mothur requires blastall.exe to run chimera.slayer."); m->mothurOutEndLine(); abort = true; }
+                       }
+
+                       if ((search != "blast") && (search != "kmer")) { m->mothurOut(search + " is not a valid search."); m->mothurOutEndLine(); abort = true;  }
+                       
+                       if ((hasName || hasCount) && (templatefile != "self")) { m->mothurOut("You have provided a namefile or countfile and the reference parameter is not set to self. I am not sure what reference you are trying to use, aborting."); m->mothurOutEndLine(); abort=true; }
+                       if (hasGroup && (templatefile != "self")) { m->mothurOut("You have provided a group file and the reference parameter is not set to self. I am not sure what reference you are trying to use, aborting."); m->mothurOutEndLine(); abort=true; }
 
-                       if ((search != "distance") && (search != "blast") && (search != "kmer")) { m->mothurOut(search + " is not a valid search."); m->mothurOutEndLine(); abort = true;  }
+                       //until we resolve the issue 10-18-11
+#if defined (__APPLE__) || (__MACH__) || (linux) || (__linux) || (__linux__) || (__unix__) || (__unix)
+#else
+                       //processors=1;
+#endif
                }
        }
        catch(exception& e) {
@@ -295,280 +660,185 @@ ChimeraSlayerCommand::ChimeraSlayerCommand(string option)  {
                exit(1);
        }
 }
-//**********************************************************************************************************************
-
-void ChimeraSlayerCommand::help(){
-       try {
-       
-               m->mothurOut("The chimera.slayer command reads a fastafile and templatefile and outputs potentially chimeric sequences.\n");
-               m->mothurOut("This command was modeled after the chimeraSlayer written by the Broad Institute.\n");
-               m->mothurOut("The chimera.slayer command parameters are fasta, name, template, processors, trim, ksize, window, match, mismatch, divergence. minsim, mincov, minbs, minsnp, parents, search, iters, increment and numwanted.\n"); //realign,
-               m->mothurOut("The fasta parameter allows you to enter the fasta file containing your potentially chimeric sequences, and is required. \n");
-               m->mothurOut("The name parameter allows you to provide a name file, if you are using template=self. \n");
-               m->mothurOut("You may enter multiple fasta files by separating their names with dashes. ie. fasta=abrecovery.fasta-amazon.fasta \n");
-               m->mothurOut("The template parameter allows you to enter a template file containing known non-chimeric sequences, and is required. You may also set template=self, in this case the abundant sequences will be used as potential parents. \n");
-               m->mothurOut("The processors parameter allows you to specify how many processors you would like to use.  The default is 1. \n");
-               #ifdef USE_MPI
-               m->mothurOut("When using MPI, the processors parameter is set to the number of MPI processes running. \n");
-               #endif
-               m->mothurOut("The trim parameter allows you to output a new fasta file containing your sequences with the chimeric ones trimmed to include only their longest piece, default=F. \n");
-               //m->mothurOut("The trimera parameter allows you to check both peices of a chimeric sequence for chimeras, thus looking for trimeras and quadmeras. default=F. \n");
-               m->mothurOut("The window parameter allows you to specify the window size for searching for chimeras, default=50. \n");
-               m->mothurOut("The increment parameter allows you to specify how far you move each window while finding chimeric sequences, default=5.\n");
-               m->mothurOut("The numwanted parameter allows you to specify how many sequences you would each query sequence compared with, default=15.\n");
-               m->mothurOut("The ksize parameter allows you to input kmersize, default is 7, used if search is kmer. \n");
-               m->mothurOut("The match parameter allows you to reward matched bases in blast search, default is 5. \n");
-               m->mothurOut("The parents parameter allows you to select the number of potential parents to investigate from the numwanted best matches after rating them, default is 3. \n");
-               m->mothurOut("The mismatch parameter allows you to penalize mismatched bases in blast search, default is -4. \n");
-               m->mothurOut("The divergence parameter allows you to set a cutoff for chimera determination, default is 1.007. \n");
-               m->mothurOut("The iters parameter allows you to specify the number of bootstrap iters to do with the chimeraslayer method, default=100.\n");
-               m->mothurOut("The minsim parameter allows you to specify a minimum similarity with the parent fragments, default=90. \n");
-               m->mothurOut("The mincov parameter allows you to specify minimum coverage by closest matches found in template. Default is 70, meaning 70%. \n");
-               m->mothurOut("The minbs parameter allows you to specify minimum bootstrap support for calling a sequence chimeric. Default is 90, meaning 90%. \n");
-               m->mothurOut("The minsnp parameter allows you to specify percent of SNPs to sample on each side of breakpoint for computing bootstrap support (default: 100) \n");
-               m->mothurOut("The search parameter allows you to specify search method for finding the closest parent. Choices are distance, blast, and kmer, default distance. \n");
-               m->mothurOut("The realign parameter allows you to realign the query to the potential parents. Choices are true or false, default false.  \n");
-               m->mothurOut("The chimera.slayer command should be in the following format: \n");
-               m->mothurOut("chimera.slayer(fasta=yourFastaFile, template=yourTemplate, search=yourSearch) \n");
-               m->mothurOut("Example: chimera.slayer(fasta=AD.align, template=core_set_aligned.imputed.fasta, search=kmer) \n");
-               m->mothurOut("Note: No spaces between parameter labels (i.e. fasta), '=' and parameters (i.e.yourFastaFile).\n\n");     
-       }
-       catch(exception& e) {
-               m->errorOut(e, "ChimeraSlayerCommand", "help");
-               exit(1);
-       }
-}
-
-//***************************************************************************************************************
-
-ChimeraSlayerCommand::~ChimeraSlayerCommand(){ /*      do nothing      */      }
-
 //***************************************************************************************************************
 
 int ChimeraSlayerCommand::execute(){
        try{
-               
                if (abort == true) { if (calledHelp) { return 0; }  return 2;   }
-               
+
                for (int s = 0; s < fastaFileNames.size(); s++) {
                                
                        m->mothurOut("Checking sequences from " + fastaFileNames[s] + " ..." ); m->mothurOutEndLine();
                
                        int start = time(NULL); 
+                       if (outputDir == "") { outputDir = m->hasPath(fastaFileNames[s]);  }//if user entered a file with a path then preserve it       
+                       map<string, string> variables; 
+            variables["[filename]"] = outputDir + m->getRootName(m->getSimpleName(fastaFileNames[s]));
+                       string outputFileName = getOutputFileName("chimera", variables);
+                       string accnosFileName = getOutputFileName("accnos", variables);
+                       string trimFastaFileName = getOutputFileName("fasta", variables);
+            string newCountFile = "";
                        
-                       if (templatefile != "self") { //you want to run slayer with a refernce template
-                               chimera = new ChimeraSlayer(fastaFileNames[s], templatefile, trim, search, ksize, match, mismatch, window, divR, minSimilarity, minCoverage, minBS, minSNP, parents, iters, increment, numwanted, realign);     
-                       }else {
-                               if (nameFileNames.size() != 0) { //you provided a namefile and we don't need to create one
-                                       chimera = new ChimeraSlayer(fastaFileNames[s], templatefile, trim, nameFileNames[s], search, includeAbunds, ksize, match, mismatch, window, divR, minSimilarity, minCoverage, minBS, minSNP, parents, iters, increment, numwanted, realign);    
-                               }else {
-                                       
-                                       m->mothurOutEndLine(); m->mothurOut("No namesfile given, running unique.seqs command to generate one."); m->mothurOutEndLine(); m->mothurOutEndLine();
-                                       
-                                       //use unique.seqs to create new name and fastafile
-                                       string inputString = "fasta=" + fastaFileNames[s];
-                                       m->mothurOut("/******************************************/"); m->mothurOutEndLine(); 
-                                       m->mothurOut("Running command: unique.seqs(" + inputString + ")"); m->mothurOutEndLine(); 
-                                                                
-                                       Command* uniqueCommand = new DeconvoluteCommand(inputString);
-                                       uniqueCommand->execute();
-                                       
-                                       map<string, vector<string> > filenames = uniqueCommand->getOutputFiles();
-                                       
-                                       delete uniqueCommand;
-                                       
-                                       m->mothurOut("/******************************************/"); m->mothurOutEndLine(); 
-                                       
-                                       string nameFile = filenames["name"][0];
-                                       fastaFileNames[s] = filenames["fasta"][0];
-                       
-                                       chimera = new ChimeraSlayer(fastaFileNames[s], templatefile, trim, nameFile, search, includeAbunds, ksize, match, mismatch, window, divR, minSimilarity, minCoverage, minBS, minSNP, parents, iters, increment, numwanted, realign);    
-                               }
-                       }
-                               
-                       if (outputDir == "") { outputDir = m->hasPath(fastaFileNames[s]);  }//if user entered a file with a path then preserve it                               
-                       string outputFileName = outputDir + m->getRootName(m->getSimpleName(fastaFileNames[s])) + "slayer.chimera";
-                       string accnosFileName = outputDir + m->getRootName(m->getSimpleName(fastaFileNames[s]))  + "slayer.accnos";
-                       string trimFastaFileName = outputDir + m->getRootName(m->getSimpleName(fastaFileNames[s]))  + "slayer.fasta";
-                       
-                       if (m->control_pressed) { delete chimera; for (int j = 0; j < outputNames.size(); j++) {        remove(outputNames[j].c_str()); }  return 0;    }
-                       
-                       if (chimera->getUnaligned()) { 
-                               m->mothurOut("Your template sequences are different lengths, please correct."); m->mothurOutEndLine(); 
-                               delete chimera;
-                               return 0; 
-                       }
-                       templateSeqsLength = chimera->getLength();
+                       //clears files
+                       ofstream out, out1, out2;
+                       m->openOutputFile(outputFileName, out); out.close(); 
+                       m->openOutputFile(accnosFileName, out1); out1.close();
+                       if (trim) { m->openOutputFile(trimFastaFileName, out2); out2.close(); }
+                       outputNames.push_back(outputFileName); outputTypes["chimera"].push_back(outputFileName);
+                       outputNames.push_back(accnosFileName); outputTypes["accnos"].push_back(accnosFileName);
+                       if (trim) {  outputNames.push_back(trimFastaFileName); outputTypes["fasta"].push_back(trimFastaFileName); }                     
                        
-               #ifdef USE_MPI  
-                       int pid, numSeqsPerProcessor; 
-                               int tag = 2001;
-                               vector<unsigned long int> MPIPos;
-                               
-                               MPI_Status status; 
-                               MPI_Comm_rank(MPI_COMM_WORLD, &pid); //find out who we are
-                               MPI_Comm_size(MPI_COMM_WORLD, &processors); 
-
-                               MPI_File inMPI;
-                               MPI_File outMPI;
-                               MPI_File outMPIAccnos;
-                               MPI_File outMPIFasta;
-                               
-                               int outMode=MPI_MODE_CREATE|MPI_MODE_WRONLY; 
-                               int inMode=MPI_MODE_RDONLY; 
-                               
-                               char outFilename[1024];
-                               strcpy(outFilename, outputFileName.c_str());
-                               
-                               char outAccnosFilename[1024];
-                               strcpy(outAccnosFilename, accnosFileName.c_str());
+                       //maps a filename to priority map. 
+                       //if no groupfile this is fastafileNames[s] -> prioirity
+                       //if groupfile then this is each groups seqs -> priority
+                       map<string, map<string, int> > fileToPriority; 
+                       map<string, map<string, int> >::iterator itFile;
+                       map<string, string> fileGroup;
+                       fileToPriority[fastaFileNames[s]] = priority; //default
+                       fileGroup[fastaFileNames[s]] = "noGroup";
+            map<string, string> uniqueNames; 
+                       int totalChimeras = 0;
+                       lines.clear();
                        
-                               char outFastaFilename[1024];
-                               strcpy(outFastaFilename, trimFastaFileName.c_str());
-                               
-                               char inFileName[1024];
-                               strcpy(inFileName, fastaFileNames[s].c_str());
-
-                               MPI_File_open(MPI_COMM_WORLD, inFileName, inMode, MPI_INFO_NULL, &inMPI);  //comm, filename, mode, info, filepointer
-                               MPI_File_open(MPI_COMM_WORLD, outFilename, outMode, MPI_INFO_NULL, &outMPI);
-                               MPI_File_open(MPI_COMM_WORLD, outAccnosFilename, outMode, MPI_INFO_NULL, &outMPIAccnos);
-                               if (trim) { MPI_File_open(MPI_COMM_WORLD, outFastaFilename, outMode, MPI_INFO_NULL, &outMPIFasta); }
-
-                       if (m->control_pressed) { outputTypes.clear();  MPI_File_close(&inMPI);  MPI_File_close(&outMPI); if (trim) {  MPI_File_close(&outMPIFasta);  } MPI_File_close(&outMPIAccnos); for (int j = 0; j < outputNames.size(); j++) {   remove(outputNames[j].c_str()); }   delete chimera; return 0;  }
+                       if (templatefile == "self") { 
+                if (hasCount) {
+                    SequenceCountParser* parser = NULL;
+                    setUpForSelfReference(parser, fileGroup, fileToPriority, s); 
+                    if (parser != NULL) { uniqueNames = parser->getAllSeqsMap(); delete parser; }
+                }else {
+                    SequenceParser* parser = NULL;
+                    setUpForSelfReference(parser, fileGroup, fileToPriority, s); 
+                    if (parser != NULL) { uniqueNames = parser->getAllSeqsMap(); delete parser; }
+                }
+            }
                        
-                               if (pid == 0) { //you are the root process 
-                                       m->mothurOutEndLine();
-                                       m->mothurOut("Only reporting sequence supported by " + toString(minBS) + "% of bootstrapped results.");
-                                       m->mothurOutEndLine();
-               
-                                       string outTemp = "Name\tLeftParent\tRightParent\tDivQLAQRB\tPerIDQLAQRB\tBootStrapA\tDivQLBQRA\tPerIDQLBQRA\tBootStrapB\tFlag\tLeftWindow\tRightWindow\n";
-                                       
-                                       //print header
-                                       int length = outTemp.length();
-                                       char* buf2 = new char[length];
-                                       memcpy(buf2, outTemp.c_str(), length);
+                       if (m->control_pressed) {   for (int j = 0; j < outputNames.size(); j++) {      m->mothurRemove(outputNames[j]);        }  return 0;    }
 
-                                       MPI_File_write_shared(outMPI, buf2, length, MPI_CHAR, &status);
-                                       delete buf2;
-
-                                       MPIPos = m->setFilePosFasta(fastaFileNames[s], numSeqs); //fills MPIPos, returns numSeqs
+                       if (fileToPriority.size() == 1) { //you running without a groupfile
+                               itFile = fileToPriority.begin();
+                               string thisFastaName = itFile->first;
+                               map<string, int> thisPriority = itFile->second;
+#ifdef USE_MPI 
+                               MPIExecute(thisFastaName, outputFileName, accnosFileName, trimFastaFileName, thisPriority);
+#else
+                               //break up file
+                               vector<unsigned long long> positions; 
+#if defined (__APPLE__) || (__MACH__) || (linux) || (__linux) || (__linux__) || (__unix__) || (__unix)
+                               positions = m->divideFile(thisFastaName, processors);
+                               for (int i = 0; i < (positions.size()-1); i++) {        lines.push_back(linePair(positions[i], positions[(i+1)]));      }
+#else
+                               if (processors == 1) {  lines.push_back(linePair(0, 1000)); }
+                               else {
+                                       positions = m->setFilePosFasta(thisFastaName, numSeqs); 
+                    if (positions.size() < processors) { processors = positions.size(); }
                                        
-                                       //send file positions to all processes
-                                       for(int i = 1; i < processors; i++) { 
-                                               MPI_Send(&numSeqs, 1, MPI_INT, i, tag, MPI_COMM_WORLD);
-                                               MPI_Send(&MPIPos[0], (numSeqs+1), MPI_LONG, i, tag, MPI_COMM_WORLD);
+                                       //figure out how many sequences you have to process
+                                       int numSeqsPerProcessor = numSeqs / processors;
+                                       for (int i = 0; i < processors; i++) {
+                                               int startIndex =  i * numSeqsPerProcessor;
+                                               if(i == (processors - 1)){      numSeqsPerProcessor = numSeqs - i * numSeqsPerProcessor;        }
+                                               lines.push_back(linePair(positions[startIndex], numSeqsPerProcessor));
                                        }
-                                       
-                                       //figure out how many sequences you have to align
-                                       numSeqsPerProcessor = numSeqs / processors;
-                                       int startIndex =  pid * numSeqsPerProcessor;
-                                       if(pid == (processors - 1)){    numSeqsPerProcessor = numSeqs - pid * numSeqsPerProcessor;      }
-                               
-                                       //do your part
-                                       driverMPI(startIndex, numSeqsPerProcessor, inMPI, outMPI, outMPIAccnos, outMPIFasta, MPIPos);
-                                       
-                                       if (m->control_pressed) { outputTypes.clear();  MPI_File_close(&inMPI);  MPI_File_close(&outMPI); if (trim) { MPI_File_close(&outMPIFasta); }  MPI_File_close(&outMPIAccnos);  for (int j = 0; j < outputNames.size(); j++) {   remove(outputNames[j].c_str()); }  remove(outputFileName.c_str());  remove(accnosFileName.c_str());  delete chimera; return 0;  }
-
-                               }else{ //you are a child process
-                                       MPI_Recv(&numSeqs, 1, MPI_INT, 0, tag, MPI_COMM_WORLD, &status);
-                                       MPIPos.resize(numSeqs+1);
-                                       MPI_Recv(&MPIPos[0], (numSeqs+1), MPI_LONG, 0, tag, MPI_COMM_WORLD, &status);
-                                       
-                                       //figure out how many sequences you have to align
-                                       numSeqsPerProcessor = numSeqs / processors;
-                                       int startIndex =  pid * numSeqsPerProcessor;
-                                       if(pid == (processors - 1)){    numSeqsPerProcessor = numSeqs - pid * numSeqsPerProcessor;      }
-                                       
-                                       //do your part
-                                       driverMPI(startIndex, numSeqsPerProcessor, inMPI, outMPI, outMPIAccnos, outMPIFasta, MPIPos);
-                                       
-                                       if (m->control_pressed) { outputTypes.clear();  MPI_File_close(&inMPI);  MPI_File_close(&outMPI); if (trim) { MPI_File_close(&outMPIFasta); }  MPI_File_close(&outMPIAccnos);  for (int j = 0; j < outputNames.size(); j++) {   remove(outputNames[j].c_str()); }  delete chimera; return 0;  }
                                }
+#endif
+                               if(processors == 1){ numSeqs = driver(lines[0], outputFileName, thisFastaName, accnosFileName, trimFastaFileName, thisPriority);  }
+                               else{ numSeqs = createProcesses(outputFileName, thisFastaName, accnosFileName, trimFastaFileName, thisPriority); }
                                
-                               //close files 
-                               MPI_File_close(&inMPI);
-                               MPI_File_close(&outMPI);
-                               MPI_File_close(&outMPIAccnos); 
-                               if (trim) { MPI_File_close(&outMPIFasta); }
-                               MPI_Barrier(MPI_COMM_WORLD); //make everyone wait - just in case
-                               
-               #else
-                       ofstream outHeader;
-                       string tempHeader = outputDir + m->getRootName(m->getSimpleName(fastaFileNames[s])) + "slayer.chimeras.tempHeader";
-                       m->openOutputFile(tempHeader, outHeader);
-                       
-                       chimera->printHeader(outHeader);
-                       outHeader.close();
-                       
-                       vector<unsigned long int> positions = m->divideFile(fastaFileNames[s], processors);
-                               
-                       for (int i = 0; i < (positions.size()-1); i++) {
-                               lines.push_back(new linePair(positions[i], positions[(i+1)]));
-                       }       
+                               if (m->control_pressed) {  outputTypes.clear(); if (trim) { m->mothurRemove(trimFastaFileName); } m->mothurRemove(outputFileName); m->mothurRemove(accnosFileName); for (int j = 0; j < outputNames.size(); j++) {      m->mothurRemove(outputNames[j]);        }  return 0; }                          
+#endif
+                       }else { //you have provided a groupfile
+                string countFile = "";
+                if (hasCount) {
+                    countFile = nameFileNames[s];
+                    variables["[filename]"] = outputDir + m->getRootName(m->getSimpleName(nameFileNames[s]));
+                    newCountFile = getOutputFileName("count", variables);
+                }
+#ifdef USE_MPI 
+                               MPIExecuteGroups(outputFileName, accnosFileName, trimFastaFileName, fileToPriority, fileGroup, newCountFile, countFile);
+#else
+                               if (processors == 1) {
+                    numSeqs = driverGroups(outputFileName, accnosFileName, trimFastaFileName, fileToPriority, fileGroup, newCountFile);
+                    if (hasCount && dups) {
+                        CountTable c; c.readTable(nameFileNames[s], true);
+                        if (!m->isBlank(newCountFile)) {
+                            ifstream in2;
+                            m->openInputFile(newCountFile, in2);
+                            
+                            string name, group;
+                            while (!in2.eof()) {
+                                in2 >> name >> group; m->gobble(in2);
+                                c.setAbund(name, group, 0);
+                            }
+                            in2.close();
+                        }
+                        m->mothurRemove(newCountFile);
+                        c.printTable(newCountFile);
+                    }
 
-                       //break up file
-                       #if defined (__APPLE__) || (__MACH__) || (linux) || (__linux)
-                               if(processors == 1){
-                                       numSeqs = driver(lines[0], outputFileName, fastaFileNames[s], accnosFileName, trimFastaFileName);
-                                       
-                                       if (m->control_pressed) { outputTypes.clear(); if (trim) { remove(trimFastaFileName.c_str()); } remove(outputFileName.c_str()); remove(tempHeader.c_str()); remove(accnosFileName.c_str()); for (int j = 0; j < outputNames.size(); j++) {      remove(outputNames[j].c_str()); } for (int i = 0; i < lines.size(); i++) {  delete lines[i];  }  lines.clear(); delete chimera; return 0; }
-                                       
-                               }else{
-                                       processIDS.resize(0);
-                                       
-                                       numSeqs = createProcesses(outputFileName, fastaFileNames[s], accnosFileName, trimFastaFileName); 
-                               
-                                       rename((outputFileName + toString(processIDS[0]) + ".temp").c_str(), outputFileName.c_str());
-                                       rename((accnosFileName + toString(processIDS[0]) + ".temp").c_str(), accnosFileName.c_str());
-                                       if (trim) {  rename((trimFastaFileName + toString(processIDS[0]) + ".temp").c_str(), trimFastaFileName.c_str()); }
-                                               
-                                       //append output files
-                                       for(int i=1;i<processors;i++){
-                                               m->appendFiles((outputFileName + toString(processIDS[i]) + ".temp"), outputFileName);
-                                               remove((outputFileName + toString(processIDS[i]) + ".temp").c_str());
-                                       }
-                                       
-                                       //append output files
-                                       for(int i=1;i<processors;i++){
-                                               m->appendFiles((accnosFileName + toString(processIDS[i]) + ".temp"), accnosFileName);
-                                               remove((accnosFileName + toString(processIDS[i]) + ".temp").c_str());
-                                       }
-                                       
-                                       if (trim) {
-                                               for(int i=1;i<processors;i++){
-                                                       m->appendFiles((trimFastaFileName + toString(processIDS[i]) + ".temp"), trimFastaFileName);
-                                                       remove((trimFastaFileName + toString(processIDS[i]) + ".temp").c_str());
-                                               }
-                                       }
-                                       
-                                       if (m->control_pressed) { outputTypes.clear(); if (trim) { remove(trimFastaFileName.c_str()); } remove(outputFileName.c_str()); remove(accnosFileName.c_str()); for (int j = 0; j < outputNames.size(); j++) {  remove(outputNames[j].c_str()); } for (int i = 0; i < lines.size(); i++) {  delete lines[i];  }  lines.clear(); delete chimera; return 0; }
-                               }
+                }
+                               else {  numSeqs = createProcessesGroups(outputFileName, accnosFileName, trimFastaFileName, fileToPriority, fileGroup, newCountFile, countFile);                 } //destroys fileToPriority
+#endif
 
-                       #else
-                               numSeqs = driver(lines[0], outputFileName, fastaFileNames[s], accnosFileName, trimFastaFileName);
-                               
-                               if (m->control_pressed) { outputTypes.clear(); if (trim) { remove(trimFastaFileName.c_str()); } remove(outputFileName.c_str()); remove(tempHeader.c_str()); remove(accnosFileName.c_str()); for (int j = 0; j < outputNames.size(); j++) {      remove(outputNames[j].c_str()); } for (int i = 0; i < lines.size(); i++) {  delete lines[i];  }  lines.clear(); delete chimera; return 0; }
+#ifdef USE_MPI 
+                               int pid; 
+                               MPI_Comm_rank(MPI_COMM_WORLD, &pid); //find out who we are
                                
-                       #endif
+                               if (pid == 0) {
+#endif
+                    if (!dups) {
+                        totalChimeras = deconvoluteResults(uniqueNames, outputFileName, accnosFileName, trimFastaFileName);
+                        m->mothurOutEndLine(); m->mothurOut(toString(totalChimeras) + " chimera found."); m->mothurOutEndLine();
+                    }else {
+                        if (hasCount) {
+                            set<string> doNotRemove;
+                            CountTable c; c.readTable(newCountFile, true);
+                            vector<string> namesInTable = c.getNamesOfSeqs();
+                            for (int i = 0; i < namesInTable.size(); i++) {
+                                int temp = c.getNumSeqs(namesInTable[i]);
+                                if (temp == 0) {  c.remove(namesInTable[i]);  }
+                                else { doNotRemove.insert((namesInTable[i])); }
+                            }
+                            //remove names we want to keep from accnos file.
+                            set<string> accnosNames = m->readAccnos(accnosFileName);
+                            ofstream out2;
+                            m->openOutputFile(accnosFileName, out2);
+                            for (set<string>::iterator it = accnosNames.begin(); it != accnosNames.end(); it++) {
+                                if (doNotRemove.count(*it) == 0) {  out2 << (*it) << endl; }
+                            }
+                            out2.close();
+                            c.printTable(newCountFile);
+                            outputNames.push_back(newCountFile); outputTypes["count"].push_back(newCountFile);
+                        }
+                    }
+
+#ifdef USE_MPI 
+                               }
+                               MPI_Barrier(MPI_COMM_WORLD); //make everyone wait
+#endif
+                       }
                        
-                       m->appendFiles(outputFileName, tempHeader);
+            m->mothurOut("It took " + toString(time(NULL) - start) + " secs to check " + toString(numSeqs) + " sequences.");   m->mothurOutEndLine();
+               }
                
-                       remove(outputFileName.c_str());
-                       rename(tempHeader.c_str(), outputFileName.c_str());
-                       
-               #endif
-                       delete chimera;
-                       
-                       
-                       for (int i = 0; i < lines.size(); i++) {  delete lines[i];  }  lines.clear();
-                       
-                       outputNames.push_back(outputFileName); outputTypes["chimera"].push_back(outputFileName);
-                       outputNames.push_back(accnosFileName); outputTypes["accnos"].push_back(accnosFileName);
-                       if (trim) {  outputNames.push_back(trimFastaFileName); outputTypes["fasta"].push_back(trimFastaFileName); }
-                       
-                       m->mothurOutEndLine(); m->mothurOut("It took " + toString(time(NULL) - start) + " secs to check " + toString(numSeqs) + " sequences."); m->mothurOutEndLine();
+               //set accnos file as new current accnosfile
+               string current = "";
+               itTypes = outputTypes.find("accnos");
+               if (itTypes != outputTypes.end()) {
+                       if ((itTypes->second).size() != 0) { current = (itTypes->second)[0]; m->setAccnosFile(current); }
+               }
+               
+               if (trim) {
+                       itTypes = outputTypes.find("fasta");
+                       if (itTypes != outputTypes.end()) {
+                               if ((itTypes->second).size() != 0) { current = (itTypes->second)[0]; m->setFastaFile(current); }
+                       }
                }
                
+        itTypes = outputTypes.find("count");
+               if (itTypes != outputTypes.end()) {
+                       if ((itTypes->second).size() != 0) { current = (itTypes->second)[0]; m->setCountTableFile(current); }
+               }
+        
                m->mothurOutEndLine();
                m->mothurOut("Output File Names: "); m->mothurOutEndLine();
                for (int i = 0; i < outputNames.size(); i++) {  m->mothurOut(outputNames[i]); m->mothurOutEndLine();    }       
@@ -583,73 +853,993 @@ int ChimeraSlayerCommand::execute(){
        }
 }
 //**********************************************************************************************************************
-
-int ChimeraSlayerCommand::driver(linePair* filePos, string outputFName, string filename, string accnos, string fasta){
+int ChimeraSlayerCommand::MPIExecuteGroups(string outputFileName, string accnosFileName, string trimFastaFileName, map<string, map<string, int> >& fileToPriority, map<string, string>& fileGroup, string countlist, string countfile){
        try {
-               ofstream out;
-               m->openOutputFile(outputFName, out);
+#ifdef USE_MPI 
+               int pid; 
+               int tag = 2001;
                
-               ofstream out2;
-               m->openOutputFile(accnos, out2);
+               MPI_Status status; 
+               MPI_Comm_rank(MPI_COMM_WORLD, &pid); //find out who we are
+               MPI_Comm_size(MPI_COMM_WORLD, &processors); 
+       
+               //put filenames in a vector, then pass each process a starting and ending point in the vector
+               //all processes already have the fileToPriority and fileGroup, they just need to know which files to process
+               map<string, map<string, int> >::iterator itFile;
+               vector<string> filenames;
+               for(itFile = fileToPriority.begin(); itFile != fileToPriority.end(); itFile++) { filenames.push_back(itFile->first); }
                
-               ofstream out3;
-               if (trim) {  m->openOutputFile(fasta, out3); }
+               int numGroupsPerProcessor = filenames.size() / processors;
+               int startIndex =  pid * numGroupsPerProcessor;
+               int endIndex = (pid+1) * numGroupsPerProcessor;
+               if(pid == (processors - 1)){    endIndex = filenames.size();    }
                
-               ifstream inFASTA;
-               m->openInputFile(filename, inFASTA);
-
-               inFASTA.seekg(filePos->start);
-
-               bool done = false;
-               int count = 0;
-       
-               while (!done) {
+               vector<unsigned long long> MPIPos;
                
-                       if (m->control_pressed) {       out.close(); out2.close(); if (trim) { out3.close(); } inFASTA.close(); return 1;       }
+               MPI_File outMPI;
+               MPI_File outMPIAccnos;
+               MPI_File outMPIFasta;
+        MPI_File outMPICount;
                
-                       Sequence* candidateSeq = new Sequence(inFASTA);  m->gobble(inFASTA);
-                               
-                       if (candidateSeq->getName() != "") { //incase there is a commented sequence at the end of a file
-                               
-                               if (candidateSeq->getAligned().length() != templateSeqsLength) {  
-                                       m->mothurOut(candidateSeq->getName() + " is not the same length as the template sequences. Skipping."); m->mothurOutEndLine();
-                               }else{
-                                       //find chimeras
-                                       chimera->getChimeras(candidateSeq);
-                                       
-                                       if (m->control_pressed) {       delete candidateSeq; return 1;  }
+               int outMode=MPI_MODE_CREATE|MPI_MODE_WRONLY; 
+               int inMode=MPI_MODE_RDONLY; 
                
-                                       //print results
-                                       Sequence* trimmed = chimera->print(out, out2);
-                                       
-                                       if (trim) { trimmed->printSequence(out3); delete trimmed; }
-                                       
-                                       //do you want to check both pieces for chimeras
-                                       //if (trimera) {}
-                               }
-                       count++;
-                       }
-                       delete candidateSeq;
+               char outFilename[1024];
+               strcpy(outFilename, outputFileName.c_str());
+               
+               char outAccnosFilename[1024];
+               strcpy(outAccnosFilename, accnosFileName.c_str());
+               
+               char outFastaFilename[1024];
+               strcpy(outFastaFilename, trimFastaFileName.c_str());
+        
+        char outCountFilename[1024];
+               strcpy(outCountFilename, countlist.c_str());
+               
+               MPI_File_open(MPI_COMM_WORLD, outFilename, outMode, MPI_INFO_NULL, &outMPI);
+               MPI_File_open(MPI_COMM_WORLD, outAccnosFilename, outMode, MPI_INFO_NULL, &outMPIAccnos);
+               if (trim) { MPI_File_open(MPI_COMM_WORLD, outFastaFilename, outMode, MPI_INFO_NULL, &outMPIFasta); }
+        if (hasCount && dups) {  MPI_File_open(MPI_COMM_WORLD, outCountFilename, outMode, MPI_INFO_NULL, &outMPICount); }
+               
+               if (m->control_pressed) {   MPI_File_close(&outMPI); if (trim) {  MPI_File_close(&outMPIFasta);  } MPI_File_close(&outMPIAccnos); if (hasCount && dups) { MPI_File_close(&outMPICount); } return 0;  }
+               
+               //print headers
+               if (pid == 0) { //you are the root process 
+                       m->mothurOutEndLine();
+                       m->mothurOut("Only reporting sequence supported by " + toString(minBS) + "% of bootstrapped results.");
+                       m->mothurOutEndLine();
                        
-                       #if defined (__APPLE__) || (__MACH__) || (linux) || (__linux)
-                               unsigned long int pos = inFASTA.tellg();
-                               if ((pos == -1) || (pos >= filePos->end)) { break; }
-                       #else
-                               if (inFASTA.eof()) { break; }
-                       #endif
+                       string outTemp = "Name\tLeftParent\tRightParent\tDivQLAQRB\tPerIDQLAQRB\tBootStrapA\tDivQLBQRA\tPerIDQLBQRA\tBootStrapB\tFlag\tLeftWindow\tRightWindow\n";
                        
-                       //report progress
-                       if((count) % 100 == 0){ m->mothurOut("Processing sequence: " + toString(count)); m->mothurOutEndLine();         }
+                       //print header
+                       int length = outTemp.length();
+                       char* buf2 = new char[length];
+                       memcpy(buf2, outTemp.c_str(), length);
+                       
+                       MPI_File_write_shared(outMPI, buf2, length, MPI_CHAR, &status);
+                       delete buf2;
                }
-               //report progress
-               if((count) % 100 != 0){ m->mothurOut("Processing sequence: " + toString(count)); m->mothurOutEndLine();         }
+               MPI_Barrier(MPI_COMM_WORLD); //make everyone wait
                
-               out.close();
+               for (int i = startIndex; i < endIndex; i++) {
+                       
+                       int start = time(NULL);
+                       int num = 0;
+                       string thisFastaName = filenames[i];
+                       map<string, int> thisPriority = fileToPriority[thisFastaName];
+                       
+                       char inFileName[1024];
+                       strcpy(inFileName, thisFastaName.c_str());
+                       MPI_File inMPI;
+                       MPI_File_open(MPI_COMM_SELF, inFileName, inMode, MPI_INFO_NULL, &inMPI);  //comm, filename, mode, info, filepointer
+            
+                       MPIPos = m->setFilePosFasta(thisFastaName, num); //fills MPIPos, returns numSeqs
+                       
+                       cout << endl << "Checking sequences from group: " << fileGroup[thisFastaName] << "." << endl; 
+                       
+            set<string> cnames;
+                       driverMPI(0, num, inMPI, outMPI, outMPIAccnos, outMPIFasta, cnames, MPIPos, thisFastaName, thisPriority, true);
+                       numSeqs += num;
+                       
+                       MPI_File_close(&inMPI);
+                       m->mothurRemove(thisFastaName);
+            
+            if (dups) {
+                if (cnames.size() != 0) {
+                    if (hasCount) {
+                        for (set<string>::iterator it = cnames.begin(); it != cnames.end(); it++) {
+                            string outputString = (*it) + "\t" + fileGroup[thisFastaName] + "\n";
+                            int length = outputString.length();
+                            char* buf2 = new char[length];
+                            memcpy(buf2, outputString.c_str(), length);
+                            MPI_File_write_shared(outMPICount, buf2, length, MPI_CHAR, &status);
+                            delete buf2;
+                        }
+                    }else {
+                        map<string, map<string, string> >::iterator itGroupNameMap = group2NameMap.find(fileGroup[thisFastaName]);
+                        if (itGroupNameMap != group2NameMap.end()) {
+                            map<string, string> thisnamemap = itGroupNameMap->second;
+                            map<string, string>::iterator itN;
+                            for (set<string>::iterator it = cnames.begin(); it != cnames.end(); it++) {
+                                itN = thisnamemap.find(*it);
+                                if (itN != thisnamemap.end()) {
+                                    vector<string> tempNames; m->splitAtComma(itN->second, tempNames);
+                                    for (int j = 0; j < tempNames.size(); j++) { //write to accnos file
+                                        string outputString = tempNames[j] + "\n";
+                                        int length = outputString.length();
+                                        char* buf2 = new char[length];
+                                        memcpy(buf2, outputString.c_str(), length);
+                                        
+                                        MPI_File_write_shared(outMPIAccnos, buf2, length, MPI_CHAR, &status);
+                                        delete buf2;
+                                    }
+                                    
+                                }else { m->mothurOut("[ERROR]: parsing cannot find " + *it + ".\n"); m->control_pressed = true; }
+                            }
+                        }else { m->mothurOut("[ERROR]: parsing cannot find " + fileGroup[thisFastaName] + ".\n"); m->control_pressed = true; }
+                    }
+                    
+                }
+            }
+                                               
+                       cout << endl << "It took " << toString(time(NULL) - start) << " secs to check " + toString(num) + " sequences from group " << fileGroup[thisFastaName] << "." << endl;
+               }
+               
+               if (pid == 0) {
+                       for(int i = 1; i < processors; i++) { 
+                               int temp = 0;
+                               MPI_Recv(&temp, 1, MPI_INT, i, 2001, MPI_COMM_WORLD, &status);
+                               numSeqs += temp;
+                       }
+               }else{ MPI_Send(&numSeqs, 1, MPI_INT, 0, 2001, MPI_COMM_WORLD); }
+               
+               MPI_File_close(&outMPI);
+               MPI_File_close(&outMPIAccnos); 
+               if (trim) { MPI_File_close(&outMPIFasta); }
+        if (hasCount && dups) { MPI_File_close(&outMPICount); }
+               
+               MPI_Barrier(MPI_COMM_WORLD); //make everyone wait
+#endif
+               return 0;
+               
+       }catch(exception& e) {
+               m->errorOut(e, "ChimeraSlayerCommand", "MPIExecuteGroups");
+               exit(1);
+       }
+}              
+//**********************************************************************************************************************
+int ChimeraSlayerCommand::MPIExecute(string inputFile, string outputFileName, string accnosFileName, string trimFastaFileName, map<string, int>& priority){
+       try {
+               
+#ifdef USE_MPI 
+               int pid, numSeqsPerProcessor; 
+               int tag = 2001;
+               vector<unsigned long long> MPIPos;
+               
+               MPI_Status status; 
+               MPI_Comm_rank(MPI_COMM_WORLD, &pid); //find out who we are
+               MPI_Comm_size(MPI_COMM_WORLD, &processors); 
+               
+               MPI_File inMPI;
+               MPI_File outMPI;
+               MPI_File outMPIAccnos;
+               MPI_File outMPIFasta;
+               
+               int outMode=MPI_MODE_CREATE|MPI_MODE_WRONLY; 
+               int inMode=MPI_MODE_RDONLY; 
+               
+               char outFilename[1024];
+               strcpy(outFilename, outputFileName.c_str());
+               
+               char outAccnosFilename[1024];
+               strcpy(outAccnosFilename, accnosFileName.c_str());
+               
+               char outFastaFilename[1024];
+               strcpy(outFastaFilename, trimFastaFileName.c_str());
+               
+               char inFileName[1024];
+               strcpy(inFileName, inputFile.c_str());
+               
+               MPI_File_open(MPI_COMM_WORLD, inFileName, inMode, MPI_INFO_NULL, &inMPI);  //comm, filename, mode, info, filepointer
+               MPI_File_open(MPI_COMM_WORLD, outFilename, outMode, MPI_INFO_NULL, &outMPI);
+               MPI_File_open(MPI_COMM_WORLD, outAccnosFilename, outMode, MPI_INFO_NULL, &outMPIAccnos);
+               if (trim) { MPI_File_open(MPI_COMM_WORLD, outFastaFilename, outMode, MPI_INFO_NULL, &outMPIFasta); }
+               
+               if (m->control_pressed) {  MPI_File_close(&inMPI);  MPI_File_close(&outMPI); if (trim) {  MPI_File_close(&outMPIFasta);  } MPI_File_close(&outMPIAccnos);  return 0;  }
+               
+               if (pid == 0) { //you are the root process 
+                       m->mothurOutEndLine();
+                       m->mothurOut("Only reporting sequence supported by " + toString(minBS) + "% of bootstrapped results.");
+                       m->mothurOutEndLine();
+                       
+                       string outTemp = "Name\tLeftParent\tRightParent\tDivQLAQRB\tPerIDQLAQRB\tBootStrapA\tDivQLBQRA\tPerIDQLBQRA\tBootStrapB\tFlag\tLeftWindow\tRightWindow\n";
+                       
+                       //print header
+                       int length = outTemp.length();
+                       char* buf2 = new char[length];
+                       memcpy(buf2, outTemp.c_str(), length);
+                       
+                       MPI_File_write_shared(outMPI, buf2, length, MPI_CHAR, &status);
+                       delete buf2;
+                       
+                       MPIPos = m->setFilePosFasta(inputFile, numSeqs); //fills MPIPos, returns numSeqs
+                       
+                       if (templatefile != "self") { //if template=self we can only use 1 processor
+                               //send file positions to all processes
+                               for(int i = 1; i < processors; i++) { 
+                                       MPI_Send(&numSeqs, 1, MPI_INT, i, tag, MPI_COMM_WORLD);
+                                       MPI_Send(&MPIPos[0], (numSeqs+1), MPI_LONG, i, tag, MPI_COMM_WORLD);
+                               }
+                       }
+                       //figure out how many sequences you have to align
+                       numSeqsPerProcessor = numSeqs / processors;
+                       int startIndex =  pid * numSeqsPerProcessor;
+                       if(pid == (processors - 1)){    numSeqsPerProcessor = numSeqs - pid * numSeqsPerProcessor;      }
+                       
+                       if (templatefile == "self") { //if template=self we can only use 1 processor
+                               startIndex = 0;
+                               numSeqsPerProcessor = numSeqs;
+                       }
+                       
+                       //do your part
+            set<string> cnames;
+                       driverMPI(startIndex, numSeqsPerProcessor, inMPI, outMPI, outMPIAccnos, outMPIFasta, cnames, MPIPos, inputFile, priority, false);
+                                               
+                       if (m->control_pressed) {  MPI_File_close(&inMPI);  MPI_File_close(&outMPI); if (trim) { MPI_File_close(&outMPIFasta); }  MPI_File_close(&outMPIAccnos);   return 0;  }
+                       
+               }else{ //you are a child process
+                       if (templatefile != "self") { //if template=self we can only use 1 processor
+                               MPI_Recv(&numSeqs, 1, MPI_INT, 0, tag, MPI_COMM_WORLD, &status);
+                               MPIPos.resize(numSeqs+1);
+                               MPI_Recv(&MPIPos[0], (numSeqs+1), MPI_LONG, 0, tag, MPI_COMM_WORLD, &status);
+                               
+                               //figure out how many sequences you have to align
+                               numSeqsPerProcessor = numSeqs / processors;
+                               int startIndex =  pid * numSeqsPerProcessor;
+                               if(pid == (processors - 1)){    numSeqsPerProcessor = numSeqs - pid * numSeqsPerProcessor;      }
+                               
+                               //do your part
+                set<string> cnames;
+                               driverMPI(startIndex, numSeqsPerProcessor, inMPI, outMPI, outMPIAccnos, outMPIFasta, cnames, MPIPos, inputFile, priority, false);
+                               
+                               if (m->control_pressed) {  MPI_File_close(&inMPI);  MPI_File_close(&outMPI); if (trim) { MPI_File_close(&outMPIFasta); }  MPI_File_close(&outMPIAccnos);  return 0;  }
+                               
+                       }
+               }
+               
+               //close files 
+               MPI_File_close(&inMPI);
+               MPI_File_close(&outMPI);
+               MPI_File_close(&outMPIAccnos); 
+               if (trim) { MPI_File_close(&outMPIFasta); }
+               MPI_Barrier(MPI_COMM_WORLD); //make everyone wait - just in case
+               
+               
+#endif         
+               return numSeqs;
+       }
+       catch(exception& e) {
+               m->errorOut(e, "ChimeraSlayerCommand", "MPIExecute");
+               exit(1);
+       }
+}
+//**********************************************************************************************************************
+int ChimeraSlayerCommand::deconvoluteResults(map<string, string>& uniqueNames, string outputFileName, string accnosFileName, string trimFileName){
+       try {
+               map<string, string>::iterator itUnique;
+               int total = 0;
+        
+        if (trimera) { //add in more potential uniqueNames
+            map<string, string> newUniqueNames = uniqueNames;
+            for (map<string, string>::iterator it = uniqueNames.begin(); it != uniqueNames.end(); it++) {
+                newUniqueNames[(it->first)+"_LEFT"] = (it->first)+"_LEFT";
+                newUniqueNames[(it->first)+"_RIGHT"] = (it->first)+"_RIGHT";
+            }
+            uniqueNames = newUniqueNames;
+            newUniqueNames.clear();
+        }
+               
+               //edit accnos file
+               ifstream in2; 
+               m->openInputFile(accnosFileName, in2, "no error");
+               
+               ofstream out2;
+               m->openOutputFile(accnosFileName+".temp", out2);
+               
+               string name; name = "";
+               set<string> chimerasInFile;
+               set<string>::iterator itChimeras;
+               
+               while (!in2.eof()) {
+                       if (m->control_pressed) { in2.close(); out2.close(); m->mothurRemove(outputFileName); m->mothurRemove((accnosFileName+".temp")); return 0; }
+                       
+                       in2 >> name; m->gobble(in2);
+                       
+                       //find unique name
+                       itUnique = uniqueNames.find(name);
+                       
+                       if (itUnique == uniqueNames.end()) { m->mothurOut("[ERROR]: trouble parsing accnos results. Cannot find "+ name + "."); m->mothurOutEndLine(); m->control_pressed = true; }
+                       else {
+                               itChimeras = chimerasInFile.find((itUnique->second));
+                               
+                               if (itChimeras == chimerasInFile.end()) {
+                                       out2 << itUnique->second << endl;
+                                       chimerasInFile.insert((itUnique->second));
+                                       total++;
+                               }
+                       }
+               }
+               in2.close();
+               out2.close();
+               
+               m->mothurRemove(accnosFileName);
+               rename((accnosFileName+".temp").c_str(), accnosFileName.c_str());
+               
+               
+               //edit chimera file
+               ifstream in; 
+               m->openInputFile(outputFileName, in);
+               
+               ofstream out;
+               m->openOutputFile(outputFileName+".temp", out); out.setf(ios::fixed, ios::floatfield); out.setf(ios::showpoint);
+
+               string rest, parent1, parent2, line;
+               set<string> namesInFile; //this is so if a sequence is found to be chimera in several samples we dont write it to the results file more than once
+               set<string>::iterator itNames;
+               
+               //assumptions - in file each read will always look like...
+               /*
+                F11Fcsw_92754  no
+                F11Fcsw_63104  F11Fcsw_33372   F11Fcsw_37007   0.89441 80.4469 0.2     1.03727 93.2961 52.2    no      0-241   243-369 
+                */
+               
+               //get header line
+               if (!in.eof()) {
+                       line = m->getline(in); m->gobble(in);
+                       out << line << endl;
+               }
+               
+               //for the chimera file, we want to make sure if any group finds a sequence to be chimeric then all groups do, 
+               //so if this is a report that did not find it to be chimeric, but it appears in the accnos file, 
+               //then ignore this report and continue until we find the report that found it to be chimeric
+               
+               while (!in.eof()) {
+                       
+                       if (m->control_pressed) { in.close(); out.close(); m->mothurRemove((outputFileName+".temp")); return 0; }
+                       
+                       in >> name;             m->gobble(in);
+                       in >> parent1;  m->gobble(in);
+                       
+                       if (name == "Name") { //name = "Name" because we append the header line each time we add results from the groups
+                               line = m->getline(in); m->gobble(in);
+                       }else {
+                               if (parent1 == "no") {
+                                       //find unique name
+                                       itUnique = uniqueNames.find(name);
+                                       
+                                       if (itUnique == uniqueNames.end()) { m->mothurOut("[ERROR]: trouble parsing chimera results. Cannot find "+ name + "."); m->mothurOutEndLine(); m->control_pressed = true; }
+                                       else {
+                                               //is this sequence really not chimeric??
+                                               itChimeras = chimerasInFile.find(itUnique->second);
+                                               
+                                               if (itChimeras == chimerasInFile.end()) {
+                                                       //is this sequence not already in the file
+                                                       itNames = namesInFile.find((itUnique->second));
+                                                       
+                                                       if (itNames == namesInFile.end()) { out << itUnique->second << '\t' << "no" << endl; namesInFile.insert(itUnique->second); }
+                                               }
+                                       }
+                               }else { //read the rest of the line
+                                       double DivQLAQRB,PerIDQLAQRB,BootStrapA,DivQLBQRA,PerIDQLBQRA,BootStrapB;
+                                       string flag, range1, range2;
+                                       bool print = false;
+                                       in >> parent2 >> DivQLAQRB >> PerIDQLAQRB >> BootStrapA >> DivQLBQRA >> PerIDQLBQRA >> BootStrapB >> flag >> range1 >> range2;  m->gobble(in);
+                                       
+                                       //find unique name
+                                       itUnique = uniqueNames.find(name);
+                                       
+                                       if (itUnique == uniqueNames.end()) { m->mothurOut("[ERROR]: trouble parsing chimera results. Cannot find "+ name + "."); m->mothurOutEndLine(); m->control_pressed = true; }
+                                       else {
+                                               name = itUnique->second;
+                                               //is this name already in the file
+                                               itNames = namesInFile.find((name));
+                                               
+                                               if (itNames == namesInFile.end()) { //no not in file
+                                                       if (flag == "no") { //are you really a no??
+                                                               //is this sequence really not chimeric??
+                                                               itChimeras = chimerasInFile.find(name);
+                                                               
+                                                               //then you really are a no so print, otherwise skip
+                                                               if (itChimeras == chimerasInFile.end()) { print = true; }
+                                                               
+                                                       }else{ print = true; }
+                                               }
+                                       }
+                                       
+                                       if (print) {
+                                               out << name << '\t';
+                                               
+                                               namesInFile.insert(name);
+
+                                               //output parent1's name
+                                               itUnique = uniqueNames.find(parent1);
+                                               if (itUnique == uniqueNames.end()) { m->mothurOut("[ERROR]: trouble parsing chimera results. Cannot find parentA "+ parent1 + "."); m->mothurOutEndLine(); m->control_pressed = true; }
+                                               else { out << itUnique->second << '\t'; }
+                                               
+                                               //output parent2's name
+                                               itUnique = uniqueNames.find(parent2);
+                                               if (itUnique == uniqueNames.end()) { m->mothurOut("[ERROR]: trouble parsing chimera results. Cannot find parentA "+ parent2 + "."); m->mothurOutEndLine(); m->control_pressed = true; }
+                                               else { out << itUnique->second << '\t'; }
+                                               
+                                               out << DivQLAQRB << '\t' << PerIDQLAQRB << '\t' << BootStrapA << '\t' << DivQLBQRA << '\t' << PerIDQLBQRA << '\t' << BootStrapB << '\t' << flag << '\t' << range1 << '\t' << range2 << endl;
+                                       }
+                               }                               
+                       }
+               }
+               in.close();
+               out.close();
+               
+               m->mothurRemove(outputFileName);
+               rename((outputFileName+".temp").c_str(), outputFileName.c_str());
+               
+               //edit fasta file
+               if (trim) {
+                       ifstream in3; 
+                       m->openInputFile(trimFileName, in3);
+                       
+                       ofstream out3;
+                       m->openOutputFile(trimFileName+".temp", out3);
+                       
+                       namesInFile.clear();
+                       
+                       while (!in3.eof()) {
+                               if (m->control_pressed) { in3.close(); out3.close(); m->mothurRemove(outputFileName); m->mothurRemove(accnosFileName); m->mothurRemove((trimFileName+".temp")); return 0; }
+                               
+                               Sequence seq(in3); m->gobble(in3);
+                               
+                               if (seq.getName() != "") {
+                                       //find unique name
+                                       itUnique = uniqueNames.find(seq.getName());
+                                       
+                                       if (itUnique == uniqueNames.end()) { m->mothurOut("[ERROR]: trouble parsing accnos results. Cannot find "+ seq.getName() + "."); m->mothurOutEndLine(); m->control_pressed = true; }
+                                       else {
+                                               itNames = namesInFile.find((itUnique->second));
+                                               
+                                               if (itNames == namesInFile.end()) {
+                                                       seq.printSequence(out3);
+                                               }
+                                       }
+                               }
+                       }
+                       in3.close();
+                       out3.close();
+                       
+                       m->mothurRemove(trimFileName);
+                       rename((trimFileName+".temp").c_str(), trimFileName.c_str());
+               }
+               
+               return total;
+       }
+       catch(exception& e) {
+               m->errorOut(e, "ChimeraSlayerCommand", "deconvoluteResults");
+               exit(1);
+       }
+}
+//**********************************************************************************************************************
+int ChimeraSlayerCommand::setUpForSelfReference(SequenceParser*& parser, map<string, string>& fileGroup, map<string, map<string, int> >& fileToPriority, int s){
+       try {
+               fileGroup.clear();
+               fileToPriority.clear();
+               
+               string nameFile = "";
+               if (nameFileNames.size() != 0) { //you provided a namefile and we don't need to create one
+                       nameFile = nameFileNames[s];
+               }else {  nameFile = getNamesFile(fastaFileNames[s]); }
+               
+               //you provided a groupfile
+               string groupFile = "";
+               if (groupFileNames.size() != 0) { groupFile = groupFileNames[s]; }
+               
+               if (groupFile == "") { 
+                       if (processors != 1) { m->mothurOut("When using template=self, mothur can only use 1 processor, continuing."); m->mothurOutEndLine(); processors = 1; }
+                                               
+                       //sort fastafile by abundance, returns new sorted fastafile name
+                       m->mothurOut("Sorting fastafile according to abundance..."); cout.flush(); 
+                       priority = sortFastaFile(fastaFileNames[s], nameFile);
+                       m->mothurOut("Done."); m->mothurOutEndLine();
+                       
+                       fileToPriority[fastaFileNames[s]] = priority;
+                       fileGroup[fastaFileNames[s]] = "noGroup";
+               }else {
+                       //Parse sequences by group
+                       parser = new SequenceParser(groupFile, fastaFileNames[s], nameFile);
+                       vector<string> groups = parser->getNamesOfGroups();
+                       
+                       for (int i = 0; i < groups.size(); i++) {
+                               vector<Sequence> thisGroupsSeqs = parser->getSeqs(groups[i]);
+                               map<string, string> thisGroupsMap = parser->getNameMap(groups[i]);
+                group2NameMap[groups[i]] = thisGroupsMap;
+                               string newFastaFile = outputDir + m->getRootName(m->getSimpleName(fastaFileNames[s])) + groups[i] + "-sortedTemp.fasta";
+                               priority = sortFastaFile(thisGroupsSeqs, thisGroupsMap, newFastaFile); 
+                               fileToPriority[newFastaFile] = priority;
+                               fileGroup[newFastaFile] = groups[i];
+                       }
+               }
+               
+               
+               return 0;
+       }
+       catch(exception& e) {
+               m->errorOut(e, "ChimeraSlayerCommand", "setUpForSelfReference");
+               exit(1);
+       }
+}
+//**********************************************************************************************************************
+int ChimeraSlayerCommand::setUpForSelfReference(SequenceCountParser*& parser, map<string, string>& fileGroup, map<string, map<string, int> >& fileToPriority, int s){
+       try {
+               fileGroup.clear();
+               fileToPriority.clear();
+               
+               string nameFile = "";
+               if (nameFileNames.size() != 0) { //you provided a namefile and we don't need to create one
+                       nameFile = nameFileNames[s];
+               }else {  m->control_pressed = true; return 0; }
+         
+               CountTable ct;
+               if (!ct.testGroups(nameFile)) {  
+                       if (processors != 1) { m->mothurOut("When using template=self, mothur can only use 1 processor, continuing."); m->mothurOutEndLine(); processors = 1; }
+            
+                       //sort fastafile by abundance, returns new sorted fastafile name
+                       m->mothurOut("Sorting fastafile according to abundance..."); cout.flush(); 
+                       priority = sortFastaFile(fastaFileNames[s], nameFile);
+                       m->mothurOut("Done."); m->mothurOutEndLine();
+                       
+                       fileToPriority[fastaFileNames[s]] = priority;
+                       fileGroup[fastaFileNames[s]] = "noGroup";
+               }else {
+                       //Parse sequences by group
+                       parser = new SequenceCountParser(nameFile, fastaFileNames[s]);
+                       vector<string> groups = parser->getNamesOfGroups();
+                       
+                       for (int i = 0; i < groups.size(); i++) {
+                               vector<Sequence> thisGroupsSeqs = parser->getSeqs(groups[i]);
+                               map<string, int> thisGroupsMap = parser->getCountTable(groups[i]);
+                               string newFastaFile = outputDir + m->getRootName(m->getSimpleName(fastaFileNames[s])) + groups[i] + "-sortedTemp.fasta";
+                               sortFastaFile(thisGroupsSeqs, thisGroupsMap, newFastaFile); 
+                               fileToPriority[newFastaFile] = thisGroupsMap;
+                               fileGroup[newFastaFile] = groups[i];
+                       }
+               }
+               
+               
+               return 0;
+       }
+       catch(exception& e) {
+               m->errorOut(e, "ChimeraSlayerCommand", "setUpForSelfReference");
+               exit(1);
+       }
+}
+//**********************************************************************************************************************
+string ChimeraSlayerCommand::getNamesFile(string& inputFile){
+       try {
+               string nameFile = "";
+               
+               m->mothurOutEndLine(); m->mothurOut("No namesfile given, running unique.seqs command to generate one."); m->mothurOutEndLine(); m->mothurOutEndLine();
+               
+               //use unique.seqs to create new name and fastafile
+               string inputString = "fasta=" + inputFile;
+               m->mothurOut("/******************************************/"); m->mothurOutEndLine(); 
+               m->mothurOut("Running command: unique.seqs(" + inputString + ")"); m->mothurOutEndLine(); 
+               m->mothurCalling = true;
+        
+               Command* uniqueCommand = new DeconvoluteCommand(inputString);
+               uniqueCommand->execute();
+               
+               map<string, vector<string> > filenames = uniqueCommand->getOutputFiles();
+               
+               delete uniqueCommand;
+               m->mothurCalling = false;
+               m->mothurOut("/******************************************/"); m->mothurOutEndLine(); 
+               
+               nameFile = filenames["name"][0];
+               inputFile = filenames["fasta"][0];
+               
+               return nameFile;
+       }
+       catch(exception& e) {
+               m->errorOut(e, "ChimeraSlayerCommand", "getNamesFile");
+               exit(1);
+       }
+}
+//**********************************************************************************************************************
+
+int ChimeraSlayerCommand::driverGroups(string outputFName, string accnos, string fasta, map<string, map<string, int> >& fileToPriority, map<string, string>& fileGroup, string countlist){
+       try {
+               int totalSeqs = 0;
+        ofstream outCountList;
+
+        if (hasCount && dups) { m->openOutputFile(countlist, outCountList); }
+               
+               for (map<string, map<string, int> >::iterator itFile = fileToPriority.begin(); itFile != fileToPriority.end(); itFile++) {
+                       
+                       if (m->control_pressed) {  return 0;  }
+                       
+                       int start = time(NULL);
+                       string thisFastaName = itFile->first;
+                       map<string, int> thisPriority = itFile->second;
+                       string thisoutputFileName = outputDir + m->getRootName(m->getSimpleName(thisFastaName)) + fileGroup[thisFastaName] + "slayer.chimera";
+                       string thisaccnosFileName = outputDir + m->getRootName(m->getSimpleName(thisFastaName)) + fileGroup[thisFastaName] + "slayer.accnos";
+                       string thistrimFastaFileName = outputDir + m->getRootName(m->getSimpleName(thisFastaName)) + fileGroup[thisFastaName] + "slayer.fasta";
+                       
+                       m->mothurOutEndLine(); m->mothurOut("Checking sequences from group: " + fileGroup[thisFastaName] + "."); m->mothurOutEndLine(); 
+                       
+                       lines.clear();
+#if defined (__APPLE__) || (__MACH__) || (linux) || (__linux) || (__linux__) || (__unix__) || (__unix)
+                       int proc = 1;
+                       vector<unsigned long long> positions = m->divideFile(thisFastaName, proc);
+                       lines.push_back(linePair(positions[0], positions[1]));  
+#else
+                       lines.push_back(linePair(0, 1000)); 
+#endif                 
+                       int numSeqs = driver(lines[0], thisoutputFileName, thisFastaName, thisaccnosFileName, thistrimFastaFileName, thisPriority);
+                       
+            //if we provided a count file with group info and set dereplicate=t, then we want to create a *.pick.count_table
+            //This table will zero out group counts for seqs determined to be chimeric by that group.
+            if (dups) {
+                if (!m->isBlank(thisaccnosFileName)) {
+                    ifstream in;
+                    m->openInputFile(thisaccnosFileName, in);
+                    string name;
+                    if (hasCount) {
+                        while (!in.eof()) {
+                            in >> name; m->gobble(in);
+                            outCountList << name << '\t' << fileGroup[thisFastaName] << endl;
+                        }
+                        in.close();
+                    }else {
+                        map<string, map<string, string> >::iterator itGroupNameMap = group2NameMap.find(fileGroup[thisFastaName]);
+                        if (itGroupNameMap != group2NameMap.end()) {
+                            map<string, string> thisnamemap = itGroupNameMap->second;
+                            map<string, string>::iterator itN;
+                            ofstream out;
+                            m->openOutputFile(thisaccnosFileName+".temp", out);
+                            while (!in.eof()) {
+                                in >> name; m->gobble(in);
+                                itN = thisnamemap.find(name);
+                                if (itN != thisnamemap.end()) {
+                                    vector<string> tempNames; m->splitAtComma(itN->second, tempNames);
+                                    for (int j = 0; j < tempNames.size(); j++) { out << tempNames[j] << endl; }
+                                
+                                }else { m->mothurOut("[ERROR]: parsing cannot find " + name + ".\n"); m->control_pressed = true; }
+                            }
+                            out.close();
+                            in.close();
+                            m->renameFile(thisaccnosFileName+".temp", thisaccnosFileName);
+                        }else { m->mothurOut("[ERROR]: parsing cannot find " + fileGroup[thisFastaName] + ".\n"); m->control_pressed = true; }
+                    }
+                    
+                }
+            }
+
+                       //append files
+                       m->appendFiles(thisoutputFileName, outputFName); m->mothurRemove(thisoutputFileName); 
+                       m->appendFiles(thisaccnosFileName, accnos); m->mothurRemove(thisaccnosFileName);
+                       if (trim) { m->appendFiles(thistrimFastaFileName, fasta); m->mothurRemove(thistrimFastaFileName); }
+                       m->mothurRemove(thisFastaName);
+                       
+                       totalSeqs += numSeqs;
+                       
+                       m->mothurOutEndLine(); m->mothurOut("It took " + toString(time(NULL) - start) + " secs to check " + toString(numSeqs) + " sequences from group " + fileGroup[thisFastaName] + ".");     m->mothurOutEndLine();
+               }
+               
+        if (hasCount && dups) { outCountList.close(); }
+        
+               return totalSeqs;
+       }
+       catch(exception& e) {
+               m->errorOut(e, "ChimeraSlayerCommand", "driverGroups");
+               exit(1);
+       }
+}
+/**************************************************************************************************/
+int ChimeraSlayerCommand::createProcessesGroups(string outputFName, string accnos, string fasta, map<string, map<string, int> >& fileToPriority, map<string, string>& fileGroup, string countlist, string countFile) {
+       try {
+               int process = 1;
+               int num = 0;
+               processIDS.clear();
+               
+               if (fileToPriority.size() < processors) { processors = fileToPriority.size(); }
+        
+        CountTable newCount;
+        if (hasCount && dups) { newCount.readTable(countFile, true); }
+               
+               int groupsPerProcessor = fileToPriority.size() / processors;
+               int remainder = fileToPriority.size() % processors;
+               
+               vector< map<string, map<string, int> > > breakUp;
+               
+               for (int i = 0; i < processors; i++) {
+                       map<string, map<string, int> > thisFileToPriority;
+                       map<string, map<string, int> >::iterator itFile;
+                       int count = 0;
+                       int enough = groupsPerProcessor;
+                       if (i == 0) { enough = groupsPerProcessor + remainder; }
+                       
+                       for (itFile = fileToPriority.begin(); itFile != fileToPriority.end();) {
+                               thisFileToPriority[itFile->first] = itFile->second;
+                               fileToPriority.erase(itFile++);
+                               count++;
+                               if (count == enough) { break; }
+                       }       
+                       breakUp.push_back(thisFileToPriority);
+               }
+                               
+#if defined (__APPLE__) || (__MACH__) || (linux) || (__linux) || (__linux__) || (__unix__) || (__unix)
+               //loop through and create all the processes you want
+               while (process != processors) {
+                       int pid = fork();
+                       
+                       if (pid > 0) {
+                               processIDS.push_back(pid);  //create map from line number to pid so you can append files in correct order later
+                               process++;
+                       }else if (pid == 0){
+                               num = driverGroups(outputFName + toString(getpid()) + ".temp", accnos + toString(getpid()) + ".temp", fasta + toString(getpid()) + ".temp", breakUp[process], fileGroup, accnos + toString(getpid()) + ".byCount");
+                               
+                               //pass numSeqs to parent
+                               ofstream out;
+                               string tempFile = outputFName + toString(getpid()) + ".num.temp";
+                               m->openOutputFile(tempFile, out);
+                               out << num << endl;
+                               out.close();
+                               exit(0);
+                       }else { 
+                               m->mothurOut("[ERROR]: unable to spawn the necessary processes."); m->mothurOutEndLine(); 
+                               for (int i = 0; i < processIDS.size(); i++) { kill (processIDS[i], SIGINT); }
+                               exit(0);
+                       }
+               }
+               
+               num = driverGroups(outputFName, accnos, fasta, breakUp[0], fileGroup, accnos + ".byCount");
+
+               //force parent to wait until all the processes are done
+               for (int i=0;i<processors;i++) { 
+                       int temp = processIDS[i];
+                       wait(&temp);
+               }
+               
+               for (int i = 0; i < processIDS.size(); i++) {
+                       ifstream in;
+                       string tempFile =  outputFName + toString(processIDS[i]) + ".num.temp";
+                       m->openInputFile(tempFile, in);
+                       if (!in.eof()) { int tempNum = 0;  in >> tempNum; num += tempNum; }
+                       in.close(); m->mothurRemove(tempFile);
+               }
+#else
+               
+               //////////////////////////////////////////////////////////////////////////////////////////////////////
+               //Windows version shared memory, so be careful when passing variables through the slayerData struct. 
+               //Above fork() will clone, so memory is separate, but that's not the case with windows, 
+               //////////////////////////////////////////////////////////////////////////////////////////////////////
+               
+               vector<slayerData*> pDataArray; 
+               DWORD   dwThreadIdArray[processors-1];
+               HANDLE  hThreadArray[processors-1]; 
+               
+               //Create processor worker threads.
+               for(int i=1; i<processors; i++ ){
+                       string extension = toString(i) + ".temp";
+                       slayerData* tempslayer = new slayerData(group2NameMap, hasCount, dups, (accnos + toString(i) +".byCount"), (outputFName + extension), (fasta + extension), (accnos + extension), templatefile, search, blastlocation, trimera, trim, realign, m, breakUp[i], fileGroup, ksize, match, mismatch, window, minSimilarity, minCoverage, minBS, minSNP, parents, iters, increment, numwanted, divR, priority, i);
+                       pDataArray.push_back(tempslayer);
+                       processIDS.push_back(i);
+                       
+                       //MySlayerThreadFunction is in header. It must be global or static to work with the threads.
+                       //default security attributes, thread function name, argument to thread function, use default creation flags, returns the thread identifier
+                       hThreadArray[i-1] = CreateThread(NULL, 0, MySlayerGroupThreadFunction, pDataArray[i-1], 0, &dwThreadIdArray[i-1]);   
+               }
+               
+               num = driverGroups(outputFName, accnos, fasta, breakUp[0], fileGroup, accnos + ".byCount");
+               
+               //Wait until all threads have terminated.
+               WaitForMultipleObjects(processors-1, hThreadArray, TRUE, INFINITE);
+               
+               //Close all thread handles and free memory allocations.
+               for(int i=0; i < pDataArray.size(); i++){
+            if (pDataArray[i]->fileToPriority.size() != pDataArray[i]->end) {
+                m->mothurOut("[ERROR]: process " + toString(i) + " only processed " + toString(pDataArray[i]->end) + " of " + toString(pDataArray[i]->fileToPriority.size()) + " groups assigned to it, quitting. \n"); m->control_pressed = true;
+            }
+                       num += pDataArray[i]->count;
+                       CloseHandle(hThreadArray[i]);
+                       delete pDataArray[i];
+               }
+#endif 
+        //read my own
+        if (hasCount && dups) {
+            if (!m->isBlank(accnos + ".byCount")) {
+                ifstream in2;
+                m->openInputFile(accnos + ".byCount", in2);
+                
+                string name, group;
+                while (!in2.eof()) {
+                    in2 >> name >> group; m->gobble(in2);
+                    newCount.setAbund(name, group, 0);
+                }
+                in2.close();
+            }
+            m->mothurRemove(accnos + ".byCount");
+        }
+
+               
+               //append output files
+               for(int i=0;i<processIDS.size();i++){
+                       m->appendFiles((outputFName + toString(processIDS[i]) + ".temp"), outputFName);
+                       m->mothurRemove((outputFName + toString(processIDS[i]) + ".temp"));
+                       
+                       m->appendFiles((accnos + toString(processIDS[i]) + ".temp"), accnos);
+                       m->mothurRemove((accnos + toString(processIDS[i]) + ".temp"));
+                       
+                       if (trim) {
+                               m->appendFiles((fasta + toString(processIDS[i]) + ".temp"), fasta);
+                               m->mothurRemove((fasta + toString(processIDS[i]) + ".temp"));
+                       }
+            
+            if (hasCount && dups) {
+                if (!m->isBlank(accnos + toString(processIDS[i]) + ".byCount")) {
+                    ifstream in2;
+                    m->openInputFile(accnos  + toString(processIDS[i]) + ".byCount", in2);
+                    
+                    string name, group;
+                    while (!in2.eof()) {
+                        in2 >> name >> group; m->gobble(in2);
+                        newCount.setAbund(name, group, 0);
+                    }
+                    in2.close();
+                }
+                m->mothurRemove(accnos + toString(processIDS[i]) + ".byCount");
+            }
+
+               }
+               
+        //print new *.pick.count_table
+        if (hasCount && dups) {  newCount.printTable(countlist);   }
+               
+               return num;
+       }
+       catch(exception& e) {
+               m->errorOut(e, "ChimeraSlayerCommand", "createProcessesGroups");
+               exit(1);
+       }
+}
+//**********************************************************************************************************************
+
+int ChimeraSlayerCommand::driver(linePair filePos, string outputFName, string filename, string accnos, string fasta, map<string, int>& priority){
+       try {
+               
+               Chimera* chimera;
+               if (templatefile != "self") { //you want to run slayer with a reference template
+                       chimera = new ChimeraSlayer(filename, templatefile, trim, search, ksize, match, mismatch, window, divR, minSimilarity, minCoverage, minBS, minSNP, parents, iters, increment, numwanted, realign, blastlocation, rand());       
+               }else {
+                       chimera = new ChimeraSlayer(filename, templatefile, trim, priority, search, ksize, match, mismatch, window, divR, minSimilarity, minCoverage, minBS, minSNP, parents, iters, increment, numwanted, realign, blastlocation, rand());     
+               }
+               
+               if (m->control_pressed) { delete chimera; return 0; }
+               
+               if (chimera->getUnaligned()) { delete chimera; m->mothurOut("Your template sequences are different lengths, please correct."); m->mothurOutEndLine(); m->control_pressed = true; return 0; }
+               templateSeqsLength = chimera->getLength();
+               
+               ofstream out;
+               m->openOutputFile(outputFName, out);
+               
+               ofstream out2;
+               m->openOutputFile(accnos, out2);
+               
+               ofstream out3;
+               if (trim) {  m->openOutputFile(fasta, out3); }
+               
+               ifstream inFASTA;
+               m->openInputFile(filename, inFASTA);
+
+               inFASTA.seekg(filePos.start);
+               
+               if (filePos.start == 0) { chimera->printHeader(out); }
+
+               bool done = false;
+               int count = 0;
+       
+               while (!done) {
+               
+                       if (m->control_pressed) {       delete chimera; out.close(); out2.close(); if (trim) { out3.close(); } inFASTA.close(); return 1;       }
+               
+                       Sequence* candidateSeq = new Sequence(inFASTA);  m->gobble(inFASTA);
+                       string candidateAligned = candidateSeq->getAligned();
+                       
+                       if (candidateSeq->getName() != "") { //incase there is a commented sequence at the end of a file
+                               if (candidateSeq->getAligned().length() != templateSeqsLength) {  
+                                       m->mothurOut(candidateSeq->getName() + " is not the same length as the template sequences. Skipping."); m->mothurOutEndLine();
+                               }else{
+                                       //find chimeras
+                                       chimera->getChimeras(candidateSeq);
+                                       
+                                       if (m->control_pressed) {       delete chimera; delete candidateSeq; return 1;  }
+                                               
+                                       //if you are not chimeric, then check each half
+                                       data_results wholeResults = chimera->getResults();
+                                       
+                                       //determine if we need to split
+                                       bool isChimeric = false;
+                                       
+                                       if (wholeResults.flag == "yes") {
+                                               string chimeraFlag = "no";
+                                               if(  (wholeResults.results[0].bsa >= minBS && wholeResults.results[0].divr_qla_qrb >= divR)
+                                                  ||
+                                                  (wholeResults.results[0].bsb >= minBS && wholeResults.results[0].divr_qlb_qra >= divR) ) { chimeraFlag = "yes"; }
+                                               
+                                               
+                                               if (chimeraFlag == "yes") {     
+                                                       if ((wholeResults.results[0].bsa >= minBS) || (wholeResults.results[0].bsb >= minBS)) { isChimeric = true; }
+                                               }
+                                       }
+                                       
+                                       if ((!isChimeric) && trimera) {
+                                               
+                                               //split sequence in half by bases
+                                               string leftQuery, rightQuery;
+                                               Sequence tempSeq(candidateSeq->getName(), candidateAligned);
+                                               divideInHalf(tempSeq, leftQuery, rightQuery);
+                                               
+                                               //run chimeraSlayer on each piece
+                                               Sequence* left = new Sequence(candidateSeq->getName(), leftQuery);
+                                               Sequence* right = new Sequence(candidateSeq->getName(), rightQuery);
+                                               
+                                               //find chimeras
+                                               chimera->getChimeras(left);
+                                               data_results leftResults = chimera->getResults();
+                                               
+                                               chimera->getChimeras(right);
+                                               data_results rightResults = chimera->getResults();
+                                               
+                                               //if either piece is chimeric then report
+                                               Sequence trimmed = chimera->print(out, out2, leftResults, rightResults);
+                                               if (trim) { trimmed.printSequence(out3);  }
+                                               
+                                               delete left; delete right;
+                                               
+                                       }else { //already chimeric
+                                               //print results
+                                               Sequence trimmed = chimera->print(out, out2);
+                                               if (trim) { trimmed.printSequence(out3);  }
+                                       }
+                                       
+                                       
+                               }
+                               count++;
+                       }
+                       
+                       #if defined (__APPLE__) || (__MACH__) || (linux) || (__linux) || (__linux__) || (__unix__) || (__unix)
+                               unsigned long long pos = inFASTA.tellg();
+                               if ((pos == -1) || (pos >= filePos.end)) { break; }
+                       #else
+                               if (inFASTA.eof()) { break; }
+                       #endif
+                       
+                       delete candidateSeq;
+                       //report progress
+                       if((count) % 100 == 0){ m->mothurOutJustToScreen("Processing sequence: " + toString(count) + "\n");             }
+               }
+               //report progress
+               if((count) % 100 != 0){ m->mothurOutJustToScreen("Processing sequence: " + toString(count)+ "\n");              }
+               
+               int numNoParents = chimera->getNumNoParents();
+               if (numNoParents == count) { m->mothurOut("[WARNING]: megablast returned 0 potential parents for all your sequences. This could be due to formatdb.exe not being setup properly, please check formatdb.log for errors."); m->mothurOutEndLine(); } 
+               
+               out.close();
                out2.close();
                if (trim) { out3.close(); }
                inFASTA.close();
+               delete chimera;
                                
                return count;
+               
+               
        }
        catch(exception& e) {
                m->errorOut(e, "ChimeraSlayerCommand", "driver");
@@ -658,15 +1848,27 @@ int ChimeraSlayerCommand::driver(linePair* filePos, string outputFName, string f
 }
 //**********************************************************************************************************************
 #ifdef USE_MPI
-int ChimeraSlayerCommand::driverMPI(int start, int num, MPI_File& inMPI, MPI_File& outMPI, MPI_File& outAccMPI, MPI_File& outFastaMPI, vector<unsigned long int>& MPIPos){
-       try {                           
+int ChimeraSlayerCommand::driverMPI(int start, int num, MPI_File& inMPI, MPI_File& outMPI, MPI_File& outAccMPI, MPI_File& outFastaMPI, set<string>& cnames, vector<unsigned long long>& MPIPos, string filename, map<string, int>& priority, bool byGroup){
+       try {
                MPI_Status status; 
                int pid;
                MPI_Comm_rank(MPI_COMM_WORLD, &pid); //find out who we are
                
+               Chimera* chimera;
+               if (templatefile != "self") { //you want to run slayer with a reference template
+                       chimera = new ChimeraSlayer(filename, templatefile, trim, search, ksize, match, mismatch, window, divR, minSimilarity, minCoverage, minBS, minSNP, parents, iters, increment, numwanted, realign, blastlocation, rand());       
+               }else {
+                       chimera = new ChimeraSlayer(filename, templatefile, trim, priority, search, ksize, match, mismatch, window, divR, minSimilarity, minCoverage, minBS, minSNP, parents, iters, increment, numwanted, realign, blastlocation, rand(), byGroup);    
+               }
+               
+               if (m->control_pressed) { delete chimera; return 0; }
+               
+               if (chimera->getUnaligned()) { delete chimera; m->mothurOut("Your template sequences are different lengths, please correct."); m->mothurOutEndLine(); m->control_pressed = true; return 0; }
+               templateSeqsLength = chimera->getLength();
+               
                for(int i=0;i<num;i++){
                        
-                       if (m->control_pressed) {       return 1;       }
+                       if (m->control_pressed) {       delete chimera; return 1;       }
                        
                        //read next sequence
                        int length = MPIPos[start+i+1] - MPIPos[start+i];
@@ -681,6 +1883,7 @@ int ChimeraSlayerCommand::driverMPI(int start, int num, MPI_File& inMPI, MPI_Fil
                        delete buf4;
 
                        Sequence* candidateSeq = new Sequence(iss);  m->gobble(iss);
+                       string candidateAligned = candidateSeq->getAligned();
                
                        if (candidateSeq->getName() != "") { //incase there is a commented sequence at the end of a file
                                
@@ -691,38 +1894,94 @@ int ChimeraSlayerCommand::driverMPI(int start, int num, MPI_File& inMPI, MPI_Fil
                                        //find chimeras
                                        chimera->getChimeras(candidateSeq);
                        
-                                       if (m->control_pressed) {       delete candidateSeq; return 1;  }
-               
-                                       //print results
-                                       Sequence* trimmed = chimera->print(outMPI, outAccMPI);
+                                       if (m->control_pressed) {       delete chimera; delete candidateSeq; return 1;  }
+                                       
+                                       //if you are not chimeric, then check each half
+                                       data_results wholeResults = chimera->getResults();
                                        
-                                       if (trim) {  
-                                               string outputString = ">" + trimmed->getName() + "\n" + trimmed->getAligned() + "\n";
-                                               delete trimmed;
+                                       //determine if we need to split
+                                       bool isChimeric = false;
+                                       
+                                       if (wholeResults.flag == "yes") {
+                                               string chimeraFlag = "no";
+                                               if(  (wholeResults.results[0].bsa >= minBS && wholeResults.results[0].divr_qla_qrb >= divR)
+                                                  ||
+                                                  (wholeResults.results[0].bsb >= minBS && wholeResults.results[0].divr_qlb_qra >= divR) ) { chimeraFlag = "yes"; }
                                                
-                                               //write to accnos file
-                                               int length = outputString.length();
-                                               char* buf2 = new char[length];
-                                               memcpy(buf2, outputString.c_str(), length);
                                                
-                                               MPI_File_write_shared(outFastaMPI, buf2, length, MPI_CHAR, &status);
-                                               delete buf2;
+                                               if (chimeraFlag == "yes") {     
+                                                       if ((wholeResults.results[0].bsa >= minBS) || (wholeResults.results[0].bsb >= minBS)) { isChimeric = true; }
+                                               }
                                        }
                                        
-                                       //do you want to check both pieces for chimeras
-                                       //if (trimera) {}
+                                       if ((!isChimeric) && trimera) {                                                 
+                                               //split sequence in half by bases
+                                               string leftQuery, rightQuery;
+                                               Sequence tempSeq(candidateSeq->getName(), candidateAligned);
+                                               divideInHalf(tempSeq, leftQuery, rightQuery);
+                                               
+                                               //run chimeraSlayer on each piece
+                                               Sequence* left = new Sequence(candidateSeq->getName(), leftQuery);
+                                               Sequence* right = new Sequence(candidateSeq->getName(), rightQuery);
+                                               
+                                               //find chimeras
+                                               chimera->getChimeras(left);
+                                               data_results leftResults = chimera->getResults();
+                                               
+                                               chimera->getChimeras(right);
+                                               data_results rightResults = chimera->getResults();
+                                               
+                                               //if either piece is chimeric then report
+                        bool flag = false;
+                                               Sequence trimmed = chimera->print(outMPI, outAccMPI, leftResults, rightResults, flag);
+                        if (flag) { cnames.insert(candidateSeq->getName()); }
+                            
+                                               if (trim) {  
+                                                       string outputString = ">" + trimmed.getName() + "\n" + trimmed.getAligned() + "\n";
+                                                       
+                                                       //write to accnos file
+                                                       int length = outputString.length();
+                                                       char* buf2 = new char[length];
+                                                       memcpy(buf2, outputString.c_str(), length);
+                                                       
+                                                       MPI_File_write_shared(outFastaMPI, buf2, length, MPI_CHAR, &status);
+                                                       delete buf2;
+                                               }
                                                
+                                               delete left; delete right;
+                                               
+                                       }else { 
+                                               //print results
+                                               Sequence trimmed = chimera->print(outMPI, outAccMPI);
+                        cnames.insert(candidateSeq->getName());
+                                               
+                                               if (trim) {  
+                                                       string outputString = ">" + trimmed.getName() + "\n" + trimmed.getAligned() + "\n";
+                                                       
+                                                       //write to accnos file
+                                                       int length = outputString.length();
+                                                       char* buf2 = new char[length];
+                                                       memcpy(buf2, outputString.c_str(), length);
+                                                       
+                                                       MPI_File_write_shared(outFastaMPI, buf2, length, MPI_CHAR, &status);
+                                                       delete buf2;
+                                               }
+                                       }
+                                       
                                }
                        }
                        delete candidateSeq;
                        
                        //report progress
-                       if((i+1) % 100 == 0){  cout << "Processing sequence: " << (i+1) << endl;        m->mothurOutJustToLog("Processing sequence: " + toString(i+1) + "\n");          }
+                       if((i+1) % 100 == 0){  cout << "Processing sequence: " << (i+1) << endl;                }
                }
                //report progress
-               if(num % 100 != 0){             cout << "Processing sequence: " << num << endl; m->mothurOutJustToLog("Processing sequence: " + toString(num) + "\n");  }
+               if(num % 100 != 0){             cout << "Processing sequence: " << num << endl;         }
                
-                               
+               int numNoParents = chimera->getNumNoParents();
+               if (numNoParents == num) { cout << "[WARNING]: megablast returned 0 potential parents for all your sequences. This could be due to formatdb.exe not being setup properly, please check formatdb.log for errors." << endl; }
+               
+               delete chimera;         
                return 0;
        }
        catch(exception& e) {
@@ -734,12 +1993,13 @@ int ChimeraSlayerCommand::driverMPI(int start, int num, MPI_File& inMPI, MPI_Fil
 
 /**************************************************************************************************/
 
-int ChimeraSlayerCommand::createProcesses(string outputFileName, string filename, string accnos, string fasta) {
+int ChimeraSlayerCommand::createProcesses(string outputFileName, string filename, string accnos, string fasta, map<string, int>& thisPriority) {
        try {
-#if defined (__APPLE__) || (__MACH__) || (linux) || (__linux)
                int process = 0;
                int num = 0;
+               processIDS.clear();
                
+#if defined (__APPLE__) || (__MACH__) || (linux) || (__linux) || (__linux__) || (__unix__) || (__unix)
                //loop through and create all the processes you want
                while (process != processors) {
                        int pid = fork();
@@ -748,7 +2008,7 @@ int ChimeraSlayerCommand::createProcesses(string outputFileName, string filename
                                processIDS.push_back(pid);  //create map from line number to pid so you can append files in correct order later
                                process++;
                        }else if (pid == 0){
-                               num = driver(lines[process], outputFileName + toString(getpid()) + ".temp", filename, accnos + toString(getpid()) + ".temp", fasta + toString(getpid()) + ".temp");
+                               num = driver(lines[process], outputFileName + toString(getpid()) + ".temp", filename, accnos + toString(getpid()) + ".temp", fasta + toString(getpid()) + ".temp", thisPriority);
                                
                                //pass numSeqs to parent
                                ofstream out;
@@ -756,7 +2016,6 @@ int ChimeraSlayerCommand::createProcesses(string outputFileName, string filename
                                m->openOutputFile(tempFile, out);
                                out << num << endl;
                                out.close();
-                               
                                exit(0);
                        }else { 
                                m->mothurOut("[ERROR]: unable to spawn the necessary processes."); m->mothurOutEndLine(); 
@@ -775,12 +2034,63 @@ int ChimeraSlayerCommand::createProcesses(string outputFileName, string filename
                        ifstream in;
                        string tempFile =  outputFileName + toString(processIDS[i]) + ".num.temp";
                        m->openInputFile(tempFile, in);
-                       if (!in.eof()) { int tempNum = 0; in >> tempNum; num += tempNum; }
-                       in.close(); remove(tempFile.c_str());
+                       if (!in.eof()) { int tempNum = 0;  in >> tempNum; num += tempNum; }
+                       in.close(); m->mothurRemove(tempFile);
                }
+#else
+               
+               //////////////////////////////////////////////////////////////////////////////////////////////////////
+               //Windows version shared memory, so be careful when passing variables through the slayerData struct. 
+               //Above fork() will clone, so memory is separate, but that's not the case with windows, 
+               //////////////////////////////////////////////////////////////////////////////////////////////////////
+               
+               vector<slayerData*> pDataArray; 
+               DWORD   dwThreadIdArray[processors];
+               HANDLE  hThreadArray[processors]; 
+               
+               //Create processor worker threads.
+               for( int i=0; i<processors; i++ ){
+                       string extension = toString(i) + ".temp";
+                       slayerData* tempslayer = new slayerData((outputFileName + extension), (fasta + extension), (accnos + extension), filename, templatefile, search, blastlocation, trimera, trim, realign, m, lines[i].start, lines[i].end, ksize, match, mismatch, window, minSimilarity, minCoverage, minBS, minSNP, parents, iters, increment, numwanted, divR, priority, i);
+                       pDataArray.push_back(tempslayer);
+                       processIDS.push_back(i);
+                       
+                       //MySlayerThreadFunction is in header. It must be global or static to work with the threads.
+                       //default security attributes, thread function name, argument to thread function, use default creation flags, returns the thread identifier
+                       hThreadArray[i] = CreateThread(NULL, 0, MySlayerThreadFunction, pDataArray[i], 0, &dwThreadIdArray[i]);   
+               }
+                               
+               //Wait until all threads have terminated.
+               WaitForMultipleObjects(processors, hThreadArray, TRUE, INFINITE);
+               
+               //Close all thread handles and free memory allocations.
+               for(int i=0; i < pDataArray.size(); i++){
+                       num += pDataArray[i]->count;
+                       CloseHandle(hThreadArray[i]);
+                       delete pDataArray[i];
+               }
+#endif 
+               
+               rename((outputFileName + toString(processIDS[0]) + ".temp").c_str(), outputFileName.c_str());
+               rename((accnos + toString(processIDS[0]) + ".temp").c_str(), accnos.c_str());
+               if (trim) {  rename((fasta + toString(processIDS[0]) + ".temp").c_str(), fasta.c_str()); }
+               
+               //append output files
+               for(int i=1;i<processIDS.size();i++){
+                       m->appendFiles((outputFileName + toString(processIDS[i]) + ".temp"), outputFileName);
+                       m->mothurRemove((outputFileName + toString(processIDS[i]) + ".temp"));
+                       
+                       m->appendFiles((accnos + toString(processIDS[i]) + ".temp"), accnos);
+                       m->mothurRemove((accnos + toString(processIDS[i]) + ".temp"));
+                       
+                       if (trim) {
+                               m->appendFiles((fasta + toString(processIDS[i]) + ".temp"), fasta);
+                               m->mothurRemove((fasta + toString(processIDS[i]) + ".temp"));
+                       }
+               }
+               
                
                return num;
-#endif         
        }
        catch(exception& e) {
                m->errorOut(e, "ChimeraSlayerCommand", "createProcesses");
@@ -790,4 +2100,204 @@ int ChimeraSlayerCommand::createProcesses(string outputFileName, string filename
 
 /**************************************************************************************************/
 
+int ChimeraSlayerCommand::divideInHalf(Sequence querySeq, string& leftQuery, string& rightQuery) {
+       try {
+               
+               string queryUnAligned = querySeq.getUnaligned();
+               int numBases = int(queryUnAligned.length() * 0.5);
+               
+               string queryAligned = querySeq.getAligned();
+               leftQuery = querySeq.getAligned();
+               rightQuery = querySeq.getAligned();
+               
+               int baseCount = 0;
+               int leftSpot = 0;
+               for (int i = 0; i < queryAligned.length(); i++) {
+                       //if you are a base
+                       if (isalpha(queryAligned[i])) {         
+                               baseCount++; 
+                       }
+                       
+                       //if you have half
+                       if (baseCount >= numBases) {  leftSpot = i; break; } //first half
+               }
+               
+               //blank out right side
+               for (int i = leftSpot; i < leftQuery.length(); i++) { leftQuery[i] = '.'; }
+               
+               //blank out left side
+               for (int i = 0; i < leftSpot; i++) { rightQuery[i] = '.'; }
+               
+               return 0;
+               
+       }
+       catch(exception& e) {
+               m->errorOut(e, "ChimeraSlayerCommand", "divideInHalf");
+               exit(1);
+       }
+}
+/**************************************************************************************************/
+map<string, int> ChimeraSlayerCommand::sortFastaFile(string fastaFile, string nameFile) {
+       try {
+               map<string, int> nameAbund;
+               
+               //read through fastafile and store info
+               map<string, string> seqs;
+               ifstream in;
+               m->openInputFile(fastaFile, in);
+               
+               while (!in.eof()) {
+                       
+                       if (m->control_pressed) { in.close(); return nameAbund; }
+                       
+                       Sequence seq(in); m->gobble(in);
+                       seqs[seq.getName()] = seq.getAligned();
+               }
+               
+               in.close();
+               
+               //read namefile or countfile
+               vector<seqPriorityNode> nameMapCount;
+        int error;
+        if (hasCount) { 
+            CountTable ct;
+            ct.readTable(nameFile, true);
+            
+            for(map<string, string>::iterator it = seqs.begin(); it != seqs.end(); it++) {
+                int num = ct.getNumSeqs(it->first);
+                if (num == 0) { error = 1; }
+                else {
+                    seqPriorityNode temp(num, it->second, it->first);
+                    nameMapCount.push_back(temp);
+                }
+            }
+        }else { error = m->readNames(nameFile, nameMapCount, seqs); }
+               
+               if (m->control_pressed) { return nameAbund; }
+               
+               if (error == 1) { m->control_pressed = true; return nameAbund; }
+               if (seqs.size() != nameMapCount.size()) { m->mothurOut( "The number of sequences in your fastafile does not match the number of sequences in your namefile, aborting."); m->mothurOutEndLine(); m->control_pressed = true; return nameAbund; }
+
+               sort(nameMapCount.begin(), nameMapCount.end(), compareSeqPriorityNodes);
+               
+               string newFasta = fastaFile + ".temp";
+               ofstream out;
+               m->openOutputFile(newFasta, out);
+               
+               //print new file in order of
+               for (int i = 0; i < nameMapCount.size(); i++) {
+                       out << ">" << nameMapCount[i].name << endl << nameMapCount[i].seq << endl;
+                       nameAbund[nameMapCount[i].name] = nameMapCount[i].numIdentical;
+               }
+               out.close();
+               
+               rename(newFasta.c_str(), fastaFile.c_str());
+                               
+               return nameAbund;
+               
+       }
+       catch(exception& e) {
+               m->errorOut(e, "ChimeraSlayerCommand", "sortFastaFile");
+               exit(1);
+       }
+}
+/**************************************************************************************************/
+map<string, int> ChimeraSlayerCommand::sortFastaFile(vector<Sequence>& thisseqs, map<string, string>& nameMap, string newFile) {
+       try {
+               map<string, int> nameAbund;
+               vector<seqPriorityNode> nameVector;
+               
+               //read through fastafile and store info
+               map<string, string> seqs;
+                               
+               for (int i = 0; i < thisseqs.size(); i++) {
+                       
+                       if (m->control_pressed) { return nameAbund; }
+                       
+                       map<string, string>::iterator itNameMap = nameMap.find(thisseqs[i].getName());
+                       
+                       if (itNameMap == nameMap.end()){
+                               m->control_pressed = true;
+                               m->mothurOut("[ERROR]: " + thisseqs[i].getName() + " is in your fastafile, but is not in your namesfile, please correct."); m->mothurOutEndLine();
+                       }else {
+                               int num = m->getNumNames(itNameMap->second);
+                               
+                               seqPriorityNode temp(num, thisseqs[i].getAligned(), thisseqs[i].getName());
+                               nameVector.push_back(temp);
+                       }
+               }
+       
+               //sort by num represented
+               sort(nameVector.begin(), nameVector.end(), compareSeqPriorityNodes);
+       
+               if (m->control_pressed) { return nameAbund; }
+               
+               if (thisseqs.size() != nameVector.size()) { m->mothurOut( "The number of sequences in your fastafile does not match the number of sequences in your namefile, aborting."); m->mothurOutEndLine(); m->control_pressed = true; return nameAbund; }
+                               
+               ofstream out;
+               m->openOutputFile(newFile, out);
+               
+               //print new file in order of
+               for (int i = 0; i < nameVector.size(); i++) {
+                       out << ">" << nameVector[i].name << endl << nameVector[i].seq << endl;
+                       nameAbund[nameVector[i].name] = nameVector[i].numIdentical;
+               }
+               out.close();
+               
+               return nameAbund;
+               
+       }
+       catch(exception& e) {
+               m->errorOut(e, "ChimeraSlayerCommand", "sortFastaFile");
+               exit(1);
+       }
+}
+/**************************************************************************************************/
+int ChimeraSlayerCommand::sortFastaFile(vector<Sequence>& thisseqs, map<string, int>& countMap, string newFile) {
+       try {
+               vector<seqPriorityNode> nameVector;
+               
+               //read through fastafile and store info
+               map<string, string> seqs;
+        
+               for (int i = 0; i < thisseqs.size(); i++) {
+                       
+                       if (m->control_pressed) { return 0; }
+                       
+                       map<string, int>::iterator itCountMap = countMap.find(thisseqs[i].getName());
+                       
+                       if (itCountMap == countMap.end()){
+                               m->control_pressed = true;
+                               m->mothurOut("[ERROR]: " + thisseqs[i].getName() + " is in your fastafile, but is not in your count file, please correct."); m->mothurOutEndLine();
+                       }else {
+                seqPriorityNode temp(itCountMap->second, thisseqs[i].getAligned(), thisseqs[i].getName());
+                               nameVector.push_back(temp);
+                       }
+               }
+        
+               //sort by num represented
+               sort(nameVector.begin(), nameVector.end(), compareSeqPriorityNodes);
+        
+               if (m->control_pressed) { return 0; }
+               
+               if (thisseqs.size() != nameVector.size()) { m->mothurOut( "The number of sequences in your fastafile does not match the number of sequences in your count file, aborting."); m->mothurOutEndLine(); m->control_pressed = true; return 0; }
+        
+               ofstream out;
+               m->openOutputFile(newFile, out);
+               
+               //print new file in order of
+               for (int i = 0; i < nameVector.size(); i++) {
+                       out << ">" << nameVector[i].name << endl << nameVector[i].seq << endl;
+               }
+               out.close();
+               
+               return 0;
+               
+       }
+       catch(exception& e) {
+               m->errorOut(e, "ChimeraSlayerCommand", "sortFastaFile");
+               exit(1);
+       }
+}
+/**************************************************************************************************/