]> git.donarmstrong.com Git - mothur.git/blobdiff - classifyseqscommand.cpp
working on pam
[mothur.git] / classifyseqscommand.cpp
index 7ae2ee5041af97ff462909095aa2af0ec24e5b0d..1b56433073d404e2c7f33513f7362f8306afcb42 100644 (file)
  */
 
 #include "classifyseqscommand.h"
-#include "sequence.hpp"
-#include "bayesian.h"
-#include "phylotree.h"
-#include "phylosummary.h"
-#include "knn.h"
+
+
 
 //**********************************************************************************************************************
+vector<string> ClassifySeqsCommand::setParameters(){   
+       try {
+               CommandParameter ptaxonomy("taxonomy", "InputTypes", "", "", "none", "none", "none","",false,true,true); parameters.push_back(ptaxonomy);
+               CommandParameter ptemplate("reference", "InputTypes", "", "", "none", "none", "none","",false,true,true); parameters.push_back(ptemplate);
+               CommandParameter pfasta("fasta", "InputTypes", "", "", "none", "none", "none","taxonomy",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 psearch("search", "Multiple", "kmer-blast-suffix-distance-align", "kmer", "", "", "","",false,false); parameters.push_back(psearch);
+               CommandParameter pksize("ksize", "Number", "", "8", "", "", "","",false,false); parameters.push_back(pksize);
+               CommandParameter pmethod("method", "Multiple", "wang-knn-zap", "wang", "", "", "","",false,false); parameters.push_back(pmethod);
+               CommandParameter pprocessors("processors", "Number", "", "1", "", "", "","",false,false,true); parameters.push_back(pprocessors);
+               CommandParameter pmatch("match", "Number", "", "1.0", "", "", "","",false,false); parameters.push_back(pmatch);
+               CommandParameter pmismatch("mismatch", "Number", "", "-1.0", "", "", "","",false,false); parameters.push_back(pmismatch);
+               CommandParameter pgapopen("gapopen", "Number", "", "-2.0", "", "", "","",false,false); parameters.push_back(pgapopen);
+               CommandParameter pgapextend("gapextend", "Number", "", "-1.0", "", "", "","",false,false); parameters.push_back(pgapextend);
+               CommandParameter pcutoff("cutoff", "Number", "", "0", "", "", "","",false,true); parameters.push_back(pcutoff);
+               CommandParameter pprobs("probs", "Boolean", "", "T", "", "", "","",false,false); parameters.push_back(pprobs);
+               CommandParameter piters("iters", "Number", "", "100", "", "", "","",false,true); parameters.push_back(piters);
+               CommandParameter psave("save", "Boolean", "", "F", "", "", "","",false,false); parameters.push_back(psave);
+        CommandParameter pshortcuts("shortcuts", "Boolean", "", "T", "", "", "","",false,false); parameters.push_back(pshortcuts);
+               CommandParameter pnumwanted("numwanted", "Number", "", "10", "", "", "","",false,true); parameters.push_back(pnumwanted);
+               CommandParameter pinputdir("inputdir", "String", "", "", "", "", "","",false,false); parameters.push_back(pinputdir);
+               CommandParameter poutputdir("outputdir", "String", "", "", "", "", "","",false,false); parameters.push_back(poutputdir);
+               
+               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, "ClassifySeqsCommand", "setParameters");
+               exit(1);
+       }
+}
+//**********************************************************************************************************************
+string ClassifySeqsCommand::getHelpString(){   
+       try {
+               string helpString = "";
+               helpString += "The classify.seqs command reads a fasta file containing sequences and creates a .taxonomy file and a .tax.summary file.\n";
+               helpString += "The classify.seqs command parameters are reference, fasta, name, group, count, search, ksize, method, taxonomy, processors, match, mismatch, gapopen, gapextend, numwanted and probs.\n";
+               helpString += "The reference, fasta and taxonomy parameters are required. You may enter multiple fasta files by separating their names with dashes. ie. fasta=abrecovery.fasta-amzon.fasta \n";
+               helpString += "The search parameter allows you to specify the method to find most similar template.  Your options are: suffix, kmer, blast, align and distance. The default is kmer.\n";
+               helpString += "The name parameter allows you add a names file with your fasta file, if you enter multiple fasta files, you must enter matching names files for them.\n";
+               helpString += "The group parameter allows you add a group file so you can have the summary totals broken up by group.\n";
+        helpString += "The count parameter allows you add a count file so you can have the summary totals broken up by group.\n";
+               helpString += "The method parameter allows you to specify classification method to use.  Your options are: wang, knn and zap. The default is wang.\n";
+               helpString += "The ksize parameter allows you to specify the kmer size for finding most similar template to candidate.  The default is 8.\n";
+               helpString += "The processors parameter allows you to specify the number of processors 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 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 match parameter allows you to specify the bonus for having the same base. The default is 1.0.\n";
+               helpString += "The mistmatch parameter allows you to specify the penalty for having different bases.  The default is -1.0.\n";
+               helpString += "The gapopen parameter allows you to specify the penalty for opening a gap in an alignment. The default is -2.0.\n";
+               helpString += "The gapextend parameter allows you to specify the penalty for extending a gap in an alignment.  The default is -1.0.\n";
+               helpString += "The numwanted parameter allows you to specify the number of sequence matches you want with the knn method.  The default is 10.\n";
+               helpString += "The cutoff parameter allows you to specify a bootstrap confidence threshold for your taxonomy.  The default is 0.\n";
+               helpString += "The probs parameter shuts off the bootstrapping results for the wang and zap method. The default is true, meaning you want the bootstrapping to be shown.\n";
+               helpString += "The iters parameter allows you to specify how many iterations to do when calculating the bootstrap confidence score for your taxonomy with the wang method.  The default is 100.\n";
+               //helpString += "The flip parameter allows you shut off mothur's   The default is T.\n";
+               helpString += "The classify.seqs command should be in the following format: \n";
+               helpString += "classify.seqs(reference=yourTemplateFile, fasta=yourFastaFile, method=yourClassificationMethod, search=yourSearchmethod, ksize=yourKmerSize, taxonomy=yourTaxonomyFile, processors=yourProcessors) \n";
+               helpString += "Example classify.seqs(fasta=amazon.fasta, reference=core.filtered, method=knn, search=gotoh, ksize=8, processors=2)\n";
+               helpString += "The .taxonomy file consists of 2 columns: 1 = your sequence name, 2 = the taxonomy for your sequence. \n";
+               helpString += "The .tax.summary is a summary of the different taxonomies represented in your fasta file. \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, "ClassifySeqsCommand", "getHelpString");
+               exit(1);
+       }
+}
+//**********************************************************************************************************************
+string ClassifySeqsCommand::getOutputPattern(string type) {
+    try {
+        string pattern = "";
+        
+        if (type == "taxonomy") {  pattern = "[filename],[tag],[tag2],taxonomy"; } 
+        else if (type == "taxsummary") {  pattern = "[filename],[tag],[tag2],tax.summary"; } 
+        else if (type == "accnos") {  pattern =  "[filename],[tag],[tag2],flip.accnos"; }
+        else if (type == "matchdist") {  pattern =  "[filename],[tag],[tag2],match.dist"; }
+        else { m->mothurOut("[ERROR]: No definition for type " + type + " output pattern.\n"); m->control_pressed = true;  }
+        
+        return pattern;
+    }
+    catch(exception& e) {
+        m->errorOut(e, "ClassifySeqsCommand", "getOutputPattern");
+        exit(1);
+    }
+}
+//**********************************************************************************************************************
+ClassifySeqsCommand::ClassifySeqsCommand(){    
+       try {
+               abort = true; calledHelp = true; 
+               setParameters();
+               vector<string> tempOutNames;
+               outputTypes["taxonomy"] = tempOutNames;
+               outputTypes["accnos"] = tempOutNames;
+               outputTypes["taxsummary"] = tempOutNames;
+               outputTypes["matchdist"] = tempOutNames;
+       }
+       catch(exception& e) {
+               m->errorOut(e, "ClassifySeqsCommand", "ClassifySeqsCommand");
+               exit(1);
+       }
+}
+//**********************************************************************************************************************
 ClassifySeqsCommand::ClassifySeqsCommand(string option)  {
        try {
-               abort = false;
+               abort = false; calledHelp = false;   
+               rdb = ReferenceDB::getInstance(); hasName = false; hasCount=false;
                
                //allow user to run help
-               if(option == "help") { help(); abort = true; }
+               if(option == "help") { help(); abort = true; calledHelp = true; }
+               else if(option == "citation") { citation(); abort = true; calledHelp = true;}
                
                else {
-                       
-                       //valid paramters for this command
-                       string AlignArray[] =  {"template","fasta","name","group","search","ksize","method","processors","taxonomy","match","mismatch","gapopen","gapextend","numwanted","cutoff","probs","iters", "outputdir","inputdir"};
-                       vector<string> myArray (AlignArray, AlignArray+(sizeof(AlignArray)/sizeof(string)));
+                       vector<string> myArray = setParameters();
                        
                        OptionParser parser(option);
                        map<string, string> parameters = parser.getParameters(); 
                        
-                       ValidParameters validParameter;
+                       ValidParameters validParameter("classify.seqs");
                        map<string, string>::iterator it;
                        
                        //check to make sure all parameters are valid for command
@@ -40,6 +145,13 @@ ClassifySeqsCommand::ClassifySeqsCommand(string option)  {
                                if (validParameter.isValidParameter(it->first, myArray, it->second) != true) {  abort = true;  }
                        }
                        
+                       //initialize outputTypes
+                       vector<string> tempOutNames;
+                       outputTypes["taxonomy"] = tempOutNames;
+                       outputTypes["taxsummary"] = tempOutNames;
+                       outputTypes["matchdist"] = tempOutNames;
+                       outputTypes["accnos"] = tempOutNames;
+                       
                        //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 = "";         }
                        
@@ -48,84 +160,94 @@ ClassifySeqsCommand::ClassifySeqsCommand(string option)  {
                        if (inputDir == "not found"){   inputDir = "";          }
                        else {
                                string path;
-                               it = parameters.find("template");
+                               it = parameters.find("reference");
                                //user has given a template file
                                if(it != parameters.end()){ 
-                                       path = hasPath(it->second);
+                                       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;                }
                                }
                                
                                it = parameters.find("taxonomy");
                                //user has given a template file
                                if(it != parameters.end()){ 
-                                       path = hasPath(it->second);
+                                       path = m->hasPath(it->second);
                                        //if the user has not given a path then, add inputdir. else leave path alone.
                                        if (path == "") {       parameters["taxonomy"] = inputDir + it->second;         }
                                }
-                               
-                               it = parameters.find("group");
-                               //user has given a template file
-                               if(it != parameters.end()){ 
-                                       path = hasPath(it->second);
-                                       //if the user has not given a path then, add inputdir. else leave path alone.
-                                       if (path == "") {       parameters["group"] = inputDir + it->second;            }
-                               }
-                       }
+            }
 
-                       //check for required parameters
-                       templateFileName = validParameter.validFile(parameters, "template", true);
-                       if (templateFileName == "not found") { 
-                               m->mothurOut("template is a required parameter for the classify.seqs command."); 
-                               m->mothurOutEndLine();
-                               abort = true; 
-                       }
-                       else if (templateFileName == "not open") { abort = true; }      
-                       
-                                               
                        fastaFileName = validParameter.validFile(parameters, "fasta", false);
-                       if (fastaFileName == "not found") { m->mothurOut("fasta is a required parameter for the classify.seqs command."); m->mothurOutEndLine(); abort = true;  }
+                       if (fastaFileName == "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 { 
-                               splitAtDash(fastaFileName, fastaFileNames);
+                               m->splitAtDash(fastaFileName, 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 = 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;
-                                       
-                                       #ifdef USE_MPI  
-                                               int pid;
-                                               MPI_Comm_size(MPI_COMM_WORLD, &processors); //set processors to the number of mpi processes running
-                                               MPI_Comm_rank(MPI_COMM_WORLD, &pid); //find out who we are
-                               
-                                               if (pid == 0) {
-                                       #endif
+                                       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--;
+                                               }
+                                       }
                                        
-                                       ifstream in;
-                                       ableToOpen = openInputFile(fastaFileNames[i], in);
-                                       in.close();
+                                       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];               }
+                                               }
+                                               
+                                               int ableToOpen;
+                                               
+                                               ifstream in;
+                                               ableToOpen = m->openInputFile(fastaFileNames[i], in, "noerror");
                                        
-                                       #ifdef USE_MPI  
-                                                       for (int j = 1; j < processors; j++) {
-                                                               MPI_Send(&ableToOpen, 1, MPI_INT, j, 2001, MPI_COMM_WORLD); 
+                                               //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;
                                                        }
-                                               }else{
-                                                       MPI_Status status;
-                                                       MPI_Recv(&ableToOpen, 1, MPI_INT, 0, 2001, MPI_COMM_WORLD, &status);
                                                }
                                                
-                                       #endif
-                                       
-                                       if (ableToOpen == 1) { 
-                                               m->mothurOut(fastaFileNames[i] + " will be disregarded."); m->mothurOutEndLine(); 
-                                               //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;
+                                                       }
+                                               }
+                                               
+                                               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]);
+                                               }
                                        }
                                        
                                }
@@ -134,105 +256,231 @@ ClassifySeqsCommand::ClassifySeqsCommand(string option)  {
                                if (fastaFileNames.size() == 0) { m->mothurOut("no valid files."); m->mothurOutEndLine(); abort = true; }
                        }
 
-                       
-                       taxonomyFileName = validParameter.validFile(parameters, "taxonomy", true);
-                       if (taxonomyFileName == "not found") { 
-                               m->mothurOut("taxonomy is a required parameter for the classify.seqs command."); 
-                               m->mothurOutEndLine();
-                               abort = true; 
-                       }
-                       else if (taxonomyFileName == "not open") { abort = true; }      
-                       
-                       
                        namefile = validParameter.validFile(parameters, "name", false);
                        if (namefile == "not found") { namefile = "";  }
-
                        else { 
-                               splitAtDash(namefile, namefileNames);
+                               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 = 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];         }
+                                       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--;
+                                               }
                                        }
-                                       int ableToOpen;
                                        
-                                       #ifdef USE_MPI  
-                                               int pid;
-                                               MPI_Comm_size(MPI_COMM_WORLD, &processors); //set processors to the number of mpi processes running
-                                               MPI_Comm_rank(MPI_COMM_WORLD, &pid); //find out who we are
-                               
-                                               if (pid == 0) {
-                                       #endif
-
-                                       ifstream in;
-                                       ableToOpen = openInputFile(namefileNames[i], in);
-                                       in.close();
+                                       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");
                                        
-                                       #ifdef USE_MPI  
-                                                       for (int j = 1; j < processors; j++) {
-                                                               MPI_Send(&ableToOpen, 1, MPI_INT, j, 2001, MPI_COMM_WORLD); 
+                                               //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;
                                                        }
-                                               }else{
-                                                       MPI_Status status;
-                                                       MPI_Recv(&ableToOpen, 1, MPI_INT, 0, 2001, MPI_COMM_WORLD, &status);
                                                }
                                                
-                                       #endif
-                                       if (ableToOpen == 1) {  m->mothurOut("Unable to match name file with fasta file."); m->mothurOutEndLine(); abort = true;        }
-                                       
+                                               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();  abort = true;
+                                                       //erase from file list
+                                                       namefileNames.erase(namefileNames.begin()+i);
+                                                       i--;
+                                               }else {
+                                                       m->setNameFile(namefileNames[i]);
+                                               }
+                                       }
                                }
                        }
-
+            
+            if (namefileNames.size() != 0) { hasName = true; }
+            
                        if (namefile != "") {
                                if (namefileNames.size() != fastaFileNames.size()) { abort = true; m->mothurOut("If you provide a name file, you must have one for each fasta file."); m->mothurOutEndLine(); }
                        }
                        
+            //check for required parameters
+                       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++) {
+                                       
+                                       bool ignore = false;
+                                       if (countfileNames[i] == "current") { 
+                                               countfileNames[i] = m->getCountTableFile(); 
+                                               if (countfileNames[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 (!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; if (countfileNames.size() != fastaFileNames.size()) {m->mothurOut("If you provide a count file, you must have one for each fasta file."); m->mothurOutEndLine(); } }
+            
+                       //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; }
+
                        groupfile = validParameter.validFile(parameters, "group", false);
                        if (groupfile == "not found") { groupfile = "";  }
                        else { 
-                               splitAtDash(groupfile, groupfileNames);
+                               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++) {
-                                       if (inputDir != "") {
-                                               string path = 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;
                                        
-                                       #ifdef USE_MPI  
-                                               int pid;
-                                               MPI_Comm_size(MPI_COMM_WORLD, &processors); //set processors to the number of mpi processes running
-                                               MPI_Comm_rank(MPI_COMM_WORLD, &pid); //find out who we are
-                               
-                                               if (pid == 0) {
-                                       #endif
-
-                                       ifstream in;
-                                       ableToOpen = openInputFile(groupfileNames[i], in);
-                                       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 group file, ignoring current."); m->mothurOutEndLine(); ignore=true; 
+                                                       //erase from file list
+                                                       groupfileNames.erase(groupfileNames.begin()+i);
+                                                       i--;
+                                               }
+                                       }
                                        
-                                       #ifdef USE_MPI  
-                                                       for (int j = 1; j < processors; j++) {
-                                                               MPI_Send(&ableToOpen, 1, MPI_INT, j, 2001, MPI_COMM_WORLD); 
+                                       if (!ignore) {
+                                               
+                                               if (inputDir != "") {
+                                                       string path = m->hasPath(groupfileNames[i]);
+                            cout << path << '\t' << inputDir << endl;
+                                                       //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;
                                                        }
-                                               }else{
-                                                       MPI_Status status;
-                                                       MPI_Recv(&ableToOpen, 1, MPI_INT, 0, 2001, MPI_COMM_WORLD, &status);
                                                }
                                                
-                                       #endif
-                                       if (ableToOpen == 1) {  m->mothurOut("Unable to match group file with fasta file, not using " + groupfileNames[i] + "."); m->mothurOutEndLine(); groupfileNames[i] = "";        }
+                                               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]);
+                                               }
+                                       }
                                        
                                }
                        }
 
                        if (groupfile != "") {
                                if (groupfileNames.size() != fastaFileNames.size()) { abort = true; m->mothurOut("If you provide a group file, you must have one for each fasta file."); m->mothurOutEndLine(); }
+                if (hasCount) { m->mothurOut("[ERROR]: You must enter ONLY ONE of the following: count or group."); m->mothurOutEndLine(); abort = true; }
                        }else {
                                for (int i = 0; i < fastaFileNames.size(); i++) {  groupfileNames.push_back("");  }
                        }
@@ -240,48 +488,108 @@ ClassifySeqsCommand::ClassifySeqsCommand(string option)  {
                        //check for optional parameter and set defaults
                        // ...at some point should added some additional type checking...
                        string temp;
-                       temp = validParameter.validFile(parameters, "ksize", false);            if (temp == "not found"){       temp = "8";                             }
-                       convert(temp, kmerSize); 
+                       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();     
+                       }
                        
-                       temp = validParameter.validFile(parameters, "processors", false);       if (temp == "not found"){       temp = "1";                             }
-                       convert(temp, processors); 
+                       //this has to go after save so that if the user sets save=t and provides no reference we abort
+                       templateFileName = validParameter.validFile(parameters, "reference", true);
+                       if (templateFileName == "not found") { 
+                               //check for saved reference sequences
+                               if (rdb->referenceSeqs.size() != 0) {
+                                       templateFileName = "saved";
+                               }else {
+                                       m->mothurOut("[ERROR]: You don't have any saved reference sequences and the reference parameter is a required for the classify.seqs command."); 
+                                       m->mothurOutEndLine();
+                                       abort = true; 
+                               }
+                       }else if (templateFileName == "not open") { abort = true; }     
+                       else {  if (save) {     rdb->setSavedReference(templateFileName);       }       }
+                       
+                       //this has to go after save so that if the user sets save=t and provides no reference we abort
+                       taxonomyFileName = validParameter.validFile(parameters, "taxonomy", true);
+                       if (taxonomyFileName == "not found") { 
+                               //check for saved reference sequences
+                               if (rdb->wordGenusProb.size() != 0) {
+                                       taxonomyFileName = "saved";
+                               }else {
+                                       m->mothurOut("[ERROR]: You don't have any saved taxonomy information and the taxonomy parameter is a required for the classify.seqs command."); 
+                                       m->mothurOutEndLine();
+                                       abort = true; 
+                               }
+                       }else if (taxonomyFileName == "not open") { abort = true; }     
+                       else {  if (save) {     rdb->setSavedTaxonomy(taxonomyFileName);        }       }
                        
                        search = validParameter.validFile(parameters, "search", false);         if (search == "not found"){     search = "kmer";                }
                        
-                       method = validParameter.validFile(parameters, "method", false);         if (method == "not found"){     method = "bayesian";    }
+                       method = validParameter.validFile(parameters, "method", false);         if (method == "not found"){     method = "wang";        }
+            
+            temp = validParameter.validFile(parameters, "ksize", false);               if (temp == "not found"){       
+                temp = "8";    
+                if (method == "zap") { temp = "7"; }
+            }
+                       m->mothurConvert(temp, kmerSize); 
                        
                        temp = validParameter.validFile(parameters, "match", false);            if (temp == "not found"){       temp = "1.0";                   }
-                       convert(temp, match);  
+                       m->mothurConvert(temp, match);  
                        
                        temp = validParameter.validFile(parameters, "mismatch", false);         if (temp == "not found"){       temp = "-1.0";                  }
-                       convert(temp, misMatch);  
+                       m->mothurConvert(temp, misMatch);  
                        
                        temp = validParameter.validFile(parameters, "gapopen", false);          if (temp == "not found"){       temp = "-2.0";                  }
-                       convert(temp, gapOpen);  
+                       m->mothurConvert(temp, gapOpen);  
                        
                        temp = validParameter.validFile(parameters, "gapextend", false);        if (temp == "not found"){       temp = "-1.0";                  }
-                       convert(temp, gapExtend); 
+                       m->mothurConvert(temp, gapExtend); 
                        
                        temp = validParameter.validFile(parameters, "numwanted", false);        if (temp == "not found"){       temp = "10";                    }
-                       convert(temp, numWanted);
+                       m->mothurConvert(temp, numWanted);
                        
                        temp = validParameter.validFile(parameters, "cutoff", false);           if (temp == "not found"){       temp = "0";                             }
-                       convert(temp, cutoff);
+                       m->mothurConvert(temp, cutoff);
                        
                        temp = validParameter.validFile(parameters, "probs", false);            if (temp == "not found"){       temp = "true";                  }
-                       probs = isTrue(temp);
+                       probs = m->isTrue(temp);
+            
+            temp = validParameter.validFile(parameters, "shortcuts", false);   if (temp == "not found"){       temp = "true";                  }
+                       writeShortcuts = m->isTrue(temp);
+                       
+                       //temp = validParameter.validFile(parameters, "flip", false);                   if (temp == "not found"){       temp = "T";                             }
+                       //flip = m->isTrue(temp); 
+                       flip = true;
                        
                        temp = validParameter.validFile(parameters, "iters", false);            if (temp == "not found") { temp = "100";                        }
-                       convert(temp, iters); 
-
+                       m->mothurConvert(temp, iters); 
 
                        
-                       if ((method == "bayesian") && (search != "kmer"))  { 
-                               m->mothurOut("The bayesian method requires the kmer search." + search + "will be disregarded." ); m->mothurOutEndLine();
+                       if ((method == "wang") && (search != "kmer"))  { 
+                               m->mothurOut("The wang method requires the kmer search. " + search + " will be disregarded, and kmer will be used." ); m->mothurOutEndLine();
                                search = "kmer";
                        }
-               }
-               
+            
+            if ((method == "zap") && ((search != "kmer") && (search != "align")))  { 
+                               m->mothurOut("The zap method requires the kmer or align search. " + search + " will be disregarded, and kmer will be used." ); m->mothurOutEndLine();
+                               search = "kmer";
+                       }
+                       
+            if (!abort) {
+                if (!hasCount) {
+                    if (namefileNames.size() == 0){
+                        if (fastaFileNames.size() != 0) {
+                            vector<string> files; files.push_back(fastaFileNames[fastaFileNames.size()-1]); 
+                            parser.getNameFile(files);
+                        }
+                    }
+                }
+            }
+        }
        }
        catch(exception& e) {
                m->errorOut(e, "ClassifySeqsCommand", "ClassifySeqsCommand");
@@ -290,90 +598,76 @@ ClassifySeqsCommand::ClassifySeqsCommand(string option)  {
 }
 
 //**********************************************************************************************************************
-
 ClassifySeqsCommand::~ClassifySeqsCommand(){   
-
        if (abort == false) {
                for (int i = 0; i < lines.size(); i++) {  delete lines[i];  }  lines.clear();
        }
 }
-
-//**********************************************************************************************************************
-
-void ClassifySeqsCommand::help(){
-       try {
-               m->mothurOut("The classify.seqs command reads a fasta file containing sequences and creates a .taxonomy file and a .tax.summary file.\n");
-               m->mothurOut("The classify.seqs command parameters are template, fasta, name, search, ksize, method, taxonomy, processors, match, mismatch, gapopen, gapextend, numwanted and probs.\n");
-               m->mothurOut("The template, fasta and taxonomy parameters are required. You may enter multiple fasta files by separating their names with dashes. ie. fasta=abrecovery.fasta-amzon.fasta \n");
-               m->mothurOut("The search parameter allows you to specify the method to find most similar template.  Your options are: suffix, kmer, blast and distance. The default is kmer.\n");
-               m->mothurOut("The name parameter allows you add a names file with your fasta file, if you enter multiple fasta files, you must enter matching names files for them.\n");
-               m->mothurOut("The group parameter allows you add a group file so you can have the summary totals broken up by group.\n");
-               m->mothurOut("The method parameter allows you to specify classification method to use.  Your options are: bayesian and knn. The default is bayesian.\n");
-               m->mothurOut("The ksize parameter allows you to specify the kmer size for finding most similar template to candidate.  The default is 8.\n");
-               m->mothurOut("The processors parameter allows you to specify the number of processors 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 match parameter allows you to specify the bonus for having the same base. The default is 1.0.\n");
-               m->mothurOut("The mistmatch parameter allows you to specify the penalty for having different bases.  The default is -1.0.\n");
-               m->mothurOut("The gapopen parameter allows you to specify the penalty for opening a gap in an alignment. The default is -2.0.\n");
-               m->mothurOut("The gapextend parameter allows you to specify the penalty for extending a gap in an alignment.  The default is -1.0.\n");
-               m->mothurOut("The numwanted parameter allows you to specify the number of sequence matches you want with the knn method.  The default is 10.\n");
-               m->mothurOut("The cutoff parameter allows you to specify a bootstrap confidence threshold for your taxonomy.  The default is 0.\n");
-               m->mothurOut("The probs parameter shut off the bootstrapping results for the bayesian method. The default is true, meaning you want the bootstrapping to be run.\n");
-               m->mothurOut("The iters parameter allows you to specify how many iterations to do when calculating the bootstrap confidence score for your taxonomy with the bayesian method.  The default is 100.\n");
-               m->mothurOut("The classify.seqs command should be in the following format: \n");
-               m->mothurOut("classify.seqs(template=yourTemplateFile, fasta=yourFastaFile, method=yourClassificationMethod, search=yourSearchmethod, ksize=yourKmerSize, taxonomy=yourTaxonomyFile, processors=yourProcessors) \n");
-               m->mothurOut("Example classify.seqs(fasta=amazon.fasta, template=core.filtered, method=knn, search=gotoh, ksize=8, processors=2)\n");
-               m->mothurOut("The .taxonomy file consists of 2 columns: 1 = your sequence name, 2 = the taxonomy for your sequence. \n");
-               m->mothurOut("The .tax.summary is a summary of the different taxonomies represented in your fasta file. \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, "ClassifySeqsCommand", "help");
-               exit(1);
-       }
-}
-
-
 //**********************************************************************************************************************
 
 int ClassifySeqsCommand::execute(){
        try {
-               if (abort == true) {    return 0;       }
-               
-               if(method == "bayesian"){       classify = new Bayesian(taxonomyFileName, templateFileName, search, kmerSize, cutoff, iters);           }
-               else if(method == "knn"){       classify = new Knn(taxonomyFileName, templateFileName, search, kmerSize, gapOpen, gapExtend, match, misMatch, numWanted);                               }
+               if (abort == true) { if (calledHelp) { return 0; }  return 2;   }
+        
+        string outputMethodTag = method;
+               if(method == "wang"){   classify = new Bayesian(taxonomyFileName, templateFileName, search, kmerSize, cutoff, iters, rand(), flip, writeShortcuts);     }
+               else if(method == "knn"){       classify = new Knn(taxonomyFileName, templateFileName, search, kmerSize, gapOpen, gapExtend, match, misMatch, numWanted, rand());                               }
+        else if(method == "zap"){      
+            outputMethodTag = search + "_" + outputMethodTag;
+            if (search == "kmer") {   classify = new KmerTree(templateFileName, taxonomyFileName, kmerSize, cutoff); }
+            else {  classify = new AlignTree(templateFileName, taxonomyFileName, cutoff);  }
+        }
                else {
-                       m->mothurOut(search + " is not a valid method option. I will run the command using bayesian.");
+                       m->mothurOut(search + " is not a valid method option. I will run the command using wang.");
                        m->mothurOutEndLine();
-                       classify = new Bayesian(taxonomyFileName, templateFileName, search, kmerSize, cutoff, iters);   
+                       classify = new Bayesian(taxonomyFileName, templateFileName, search, kmerSize, cutoff, iters, rand(), flip, writeShortcuts);     
                }
                
                if (m->control_pressed) { delete classify; return 0; }
-               
-               vector<string> outputNames;
                                
                for (int s = 0; s < fastaFileNames.size(); s++) {
                
                        m->mothurOut("Classifying sequences from " + fastaFileNames[s] + " ..." ); m->mothurOutEndLine();
                        
-                       if (outputDir == "") { outputDir += hasPath(fastaFileNames[s]); }
-                       string newTaxonomyFile = outputDir + getRootName(getSimpleName(fastaFileNames[s])) + getRootName(getSimpleName(taxonomyFileName)) + "taxonomy";
-                       string tempTaxonomyFile = outputDir + getRootName(getSimpleName(fastaFileNames[s])) + "taxonomy.temp";
-                       string taxSummary = outputDir + getRootName(getSimpleName(fastaFileNames[s])) + getRootName(getSimpleName(taxonomyFileName)) + "tax.summary";
+                       string baseTName = m->getSimpleName(taxonomyFileName);
+                       if (taxonomyFileName == "saved") {  baseTName = rdb->getSavedTaxonomy();        }
+                       
+            //set rippedTaxName to 
+                       string RippedTaxName = "";
+            bool foundDot = false;
+            for (int i = baseTName.length()-1; i >= 0; i--) {
+                if (foundDot && (baseTName[i] != '.')) {  RippedTaxName = baseTName[i] + RippedTaxName; }
+                else if (foundDot && (baseTName[i] == '.')) {  break; }
+                else if (!foundDot && (baseTName[i] == '.')) {  foundDot = true; }
+            }
+            //if (RippedTaxName != "") { RippedTaxName +=  "."; }   
+          
+                       if (outputDir == "") { outputDir += m->hasPath(fastaFileNames[s]); }
+            map<string, string> variables; 
+            variables["[filename]"] = outputDir + m->getRootName(m->getSimpleName(fastaFileNames[s]));
+            variables["[tag]"] = RippedTaxName;
+            variables["[tag2]"] = outputMethodTag;
+                       string newTaxonomyFile = getOutputFileName("taxonomy", variables);
+                       string newaccnosFile = getOutputFileName("accnos", variables);
+                       string tempTaxonomyFile = outputDir + m->getRootName(m->getSimpleName(fastaFileNames[s])) + "taxonomy.temp";
+                       string taxSummary = getOutputFileName("taxsummary", variables);
+                       
+                       if ((method == "knn") && (search == "distance")) { 
+                               string DistName = getOutputFileName("matchdist", variables);
+                               classify->setDistName(DistName);  outputNames.push_back(DistName); outputTypes["matchdist"].push_back(DistName);
+                       }
                        
-                       outputNames.push_back(newTaxonomyFile);
-                       outputNames.push_back(taxSummary);
+                       outputNames.push_back(newTaxonomyFile); outputTypes["taxonomy"].push_back(newTaxonomyFile);
+                       outputNames.push_back(taxSummary);      outputTypes["taxsummary"].push_back(taxSummary);
                        
                        int start = time(NULL);
                        int numFastaSeqs = 0;
                        for (int i = 0; i < lines.size(); i++) {  delete lines[i];  }  lines.clear();
                        
 #ifdef USE_MPI 
-                               int pid, end, numSeqsPerProcessor; 
+                               int pid, numSeqsPerProcessor; 
                                int tag = 2001;
-                               vector<long> MPIPos;
+                               vector<unsigned long long> MPIPos;
                                
                                MPI_Status status; 
                                MPI_Comm_rank(MPI_COMM_WORLD, &pid); //find out who we are
@@ -382,24 +676,19 @@ int ClassifySeqsCommand::execute(){
                                MPI_File inMPI;
                                MPI_File outMPINewTax;
                                MPI_File outMPITempTax;
+                               MPI_File outMPIAcc;
                                                        
                                int outMode=MPI_MODE_CREATE|MPI_MODE_WRONLY; 
                                int inMode=MPI_MODE_RDONLY; 
                                
-                               //char* outNewTax = new char[newTaxonomyFile.length()];
-                               //memcpy(outNewTax, newTaxonomyFile.c_str(), newTaxonomyFile.length());
-                               
                                char outNewTax[1024];
                                strcpy(outNewTax, newTaxonomyFile.c_str());
-
-                               //char* outTempTax = new char[tempTaxonomyFile.length()];
-                               //memcpy(outTempTax, tempTaxonomyFile.c_str(), tempTaxonomyFile.length());
                                
                                char outTempTax[1024];
                                strcpy(outTempTax, tempTaxonomyFile.c_str());
-
-                               //char* inFileName = new char[fastaFileNames[s].length()];
-                               //memcpy(inFileName, fastaFileNames[s].c_str(), fastaFileNames[s].length());
+                       
+                               char outAcc[1024];
+                               strcpy(outAcc, newaccnosFile.c_str());
                                
                                char inFileName[1024];
                                strcpy(inFileName, fastaFileNames[s].c_str());
@@ -407,20 +696,19 @@ int ClassifySeqsCommand::execute(){
                                MPI_File_open(MPI_COMM_WORLD, inFileName, inMode, MPI_INFO_NULL, &inMPI);  //comm, filename, mode, info, filepointer
                                MPI_File_open(MPI_COMM_WORLD, outNewTax, outMode, MPI_INFO_NULL, &outMPINewTax);
                                MPI_File_open(MPI_COMM_WORLD, outTempTax, outMode, MPI_INFO_NULL, &outMPITempTax);
+                               MPI_File_open(MPI_COMM_WORLD, outAcc, outMode, MPI_INFO_NULL, &outMPIAcc);
                                
-                               //delete outNewTax;
-                               //delete outTempTax;
-                               //delete inFileName;
-
-                               if (m->control_pressed) {  MPI_File_close(&inMPI);  MPI_File_close(&outMPINewTax);   MPI_File_close(&outMPITempTax);  delete classify; return 0;  }
+                               if (m->control_pressed) { outputTypes.clear(); MPI_File_close(&inMPI);  MPI_File_close(&outMPINewTax);  MPI_File_close(&outMPIAcc);   MPI_File_close(&outMPITempTax);  delete classify;  return 0;  }
                                
                                if (pid == 0) { //you are the root process 
                                        
-                                       MPIPos = setFilePosFasta(fastaFileNames[s], numFastaSeqs); //fills MPIPos, returns numSeqs
+                                       MPIPos = m->setFilePosFasta(fastaFileNames[s], numFastaSeqs); //fills MPIPos, returns numSeqs
                                        
                                        //send file positions to all processes
-                                       MPI_Bcast(&numFastaSeqs, 1, MPI_INT, 0, MPI_COMM_WORLD);  //send numSeqs
-                                       MPI_Bcast(&MPIPos[0], (numFastaSeqs+1), MPI_LONG, 0, MPI_COMM_WORLD); //send file pos   
+                                       for(int i = 1; i < processors; i++) { 
+                                               MPI_Send(&numFastaSeqs, 1, MPI_INT, i, tag, MPI_COMM_WORLD);
+                                               MPI_Send(&MPIPos[0], (numFastaSeqs+1), MPI_LONG, i, tag, MPI_COMM_WORLD);
+                                       }
                                        
                                        //figure out how many sequences you have to align
                                        numSeqsPerProcessor = numFastaSeqs / processors;
@@ -429,18 +717,18 @@ int ClassifySeqsCommand::execute(){
                                        
                                
                                        //align your part
-                                       driverMPI(startIndex, numSeqsPerProcessor, inMPI, outMPINewTax, outMPITempTax, MPIPos);
+                                       driverMPI(startIndex, numSeqsPerProcessor, inMPI, outMPINewTax, outMPITempTax, outMPIAcc, MPIPos);
                                        
-                                       if (m->control_pressed) {  MPI_File_close(&inMPI);  MPI_File_close(&outMPINewTax);   MPI_File_close(&outMPITempTax);  for (int i = 0; i < outputNames.size(); i++) {    remove(outputNames[i].c_str()); } delete classify; return 0;  }
+                                       if (m->control_pressed) {  outputTypes.clear(); MPI_File_close(&inMPI);  MPI_File_close(&outMPINewTax); MPI_File_close(&outMPIAcc);   MPI_File_close(&outMPITempTax);  for (int i = 0; i < outputNames.size(); i++) {   m->mothurRemove(outputNames[i]);        } delete classify; return 0;  }
                                        
                                        for (int i = 1; i < processors; i++) {
                                                int done;
                                                MPI_Recv(&done, 1, MPI_INT, i, tag, MPI_COMM_WORLD, &status);
                                        }
                                }else{ //you are a child process
-                                       MPI_Bcast(&numFastaSeqs, 1, MPI_INT, 0, MPI_COMM_WORLD); //get numSeqs
+                                       MPI_Recv(&numFastaSeqs, 1, MPI_INT, 0, tag, MPI_COMM_WORLD, &status);
                                        MPIPos.resize(numFastaSeqs+1);
-                                       MPI_Bcast(&MPIPos[0], (numFastaSeqs+1), MPI_LONG, 0, MPI_COMM_WORLD); //get file positions
+                                       MPI_Recv(&MPIPos[0], (numFastaSeqs+1), MPI_LONG, 0, tag, MPI_COMM_WORLD, &status);
                                        
                                        //figure out how many sequences you have to align
                                        numSeqsPerProcessor = numFastaSeqs / processors;
@@ -449,9 +737,9 @@ int ClassifySeqsCommand::execute(){
                                        
                                        
                                        //align your part
-                                       driverMPI(startIndex, numSeqsPerProcessor, inMPI, outMPINewTax, outMPITempTax, MPIPos);
+                                       driverMPI(startIndex, numSeqsPerProcessor, inMPI, outMPINewTax, outMPITempTax, outMPIAcc, MPIPos);
                                        
-                                       if (m->control_pressed) {  MPI_File_close(&inMPI);  MPI_File_close(&outMPINewTax);   MPI_File_close(&outMPITempTax);  delete classify; return 0;  }
+                                       if (m->control_pressed) {  outputTypes.clear(); MPI_File_close(&inMPI);  MPI_File_close(&outMPINewTax);  MPI_File_close(&outMPIAcc);  MPI_File_close(&outMPITempTax);  delete classify; return 0;  }
 
                                        int done = 0;
                                        MPI_Send(&done, 1, MPI_INT, 0, tag, MPI_COMM_WORLD); 
@@ -461,75 +749,47 @@ int ClassifySeqsCommand::execute(){
                                MPI_File_close(&inMPI);
                                MPI_File_close(&outMPINewTax);
                                MPI_File_close(&outMPITempTax);
+                               MPI_File_close(&outMPIAcc); 
+                               MPI_Barrier(MPI_COMM_WORLD); //make everyone wait - just in case
                                
 #else
-               #if defined (__APPLE__) || (__MACH__) || (linux) || (__linux)
-                       if(processors == 1){
-                               ifstream inFASTA;
-                               openInputFile(fastaFileNames[s], inFASTA);
-                               numFastaSeqs=count(istreambuf_iterator<char>(inFASTA),istreambuf_iterator<char>(), '>');
-                               inFASTA.close();
-                               
-                               lines.push_back(new linePair(0, numFastaSeqs));
-                               
-                               driver(lines[0], newTaxonomyFile, tempTaxonomyFile, fastaFileNames[s]);
-                       }
-                       else{
-                               vector<int> positions;
-                               processIDS.resize(0);
-                               
-                               ifstream inFASTA;
-                               openInputFile(fastaFileNames[s], inFASTA);
-                               
-                               string input;
-                               while(!inFASTA.eof()){
-                                       input = getline(inFASTA);
-                                       if (input.length() != 0) {
-                                               if(input[0] == '>'){    int pos = inFASTA.tellg(); positions.push_back(pos - input.length() - 1);       }
-                                       }
-                               }
-                               inFASTA.close();
-                               
-                               numFastaSeqs = positions.size();
+               
+                       vector<unsigned long long> positions; 
+#if defined (__APPLE__) || (__MACH__) || (linux) || (__linux) || (__linux__) || (__unix__) || (__unix)
+                       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)]));  }
+#else
+                       if (processors == 1) {
+                               lines.push_back(new linePair(0, 1000));
+                       }else {
+                               positions = m->setFilePosFasta(fastaFileNames[s], numFastaSeqs); 
+                if (positions.size() < processors) { processors = positions.size(); }
                                
+                               //figure out how many sequences you have to process
                                int numSeqsPerProcessor = numFastaSeqs / processors;
-                               
                                for (int i = 0; i < processors; i++) {
-                                       int startPos = positions[ i * numSeqsPerProcessor ];
-                                       if(i == processors - 1){
-                                               numSeqsPerProcessor = numFastaSeqs - i * numSeqsPerProcessor;
-                                       }
-                                       lines.push_back(new linePair(startPos, numSeqsPerProcessor));
-                               }
-                               createProcesses(newTaxonomyFile, tempTaxonomyFile, fastaFileNames[s]); 
-                               
-                               rename((newTaxonomyFile + toString(processIDS[0]) + ".temp").c_str(), newTaxonomyFile.c_str());
-                               rename((tempTaxonomyFile + toString(processIDS[0]) + ".temp").c_str(), tempTaxonomyFile.c_str());
-                               
-                               for(int i=1;i<processors;i++){
-                                       appendTaxFiles((newTaxonomyFile + toString(processIDS[i]) + ".temp"), newTaxonomyFile);
-                                       appendTaxFiles((tempTaxonomyFile + toString(processIDS[i]) + ".temp"), tempTaxonomyFile);
-                                       remove((newTaxonomyFile + toString(processIDS[i]) + ".temp").c_str());
-                                       remove((tempTaxonomyFile + toString(processIDS[i]) + ".temp").c_str());
+                                       int startIndex =  i * numSeqsPerProcessor;
+                                       if(i == (processors - 1)){      numSeqsPerProcessor = numFastaSeqs - i * numSeqsPerProcessor;   }
+                                       lines.push_back(new linePair(positions[startIndex], numSeqsPerProcessor));
                                }
-                               
                        }
-       #else
-                       ifstream inFASTA;
-                       openInputFile(fastaFileNames[s], inFASTA);
-                       numFastaSeqs=count(istreambuf_iterator<char>(inFASTA),istreambuf_iterator<char>(), '>');
-                       inFASTA.close();
-                       
-                       lines.push_back(new linePair(0, numFastaSeqs));
-                       
-                       driver(lines[0], newTaxonomyFile, tempTaxonomyFile, fastaFileNames[s]);
-       #endif  
 #endif
+                       if(processors == 1){
+                               numFastaSeqs = driver(lines[0], newTaxonomyFile, tempTaxonomyFile, newaccnosFile, fastaFileNames[s]);
+                       }else{
+                               numFastaSeqs = createProcesses(newTaxonomyFile, tempTaxonomyFile, newaccnosFile, fastaFileNames[s]); 
+                       }
+#endif
+                       
+                       if (!m->isBlank(newaccnosFile)) { m->mothurOutEndLine(); m->mothurOut("[WARNING]: mothur reversed some your sequences for a better classification.  If you would like to take a closer look, please check " + newaccnosFile + " for the list of the sequences."); m->mothurOutEndLine(); 
+                outputNames.push_back(newaccnosFile); outputTypes["accnos"].push_back(newaccnosFile);
+            }else { m->mothurRemove(newaccnosFile); }
 
                m->mothurOutEndLine();
                m->mothurOut("It took " + toString(time(NULL) - start) + " secs to classify " + toString(numFastaSeqs) + " sequences."); m->mothurOutEndLine(); m->mothurOutEndLine();
                start = time(NULL);
-
+               
+               
 
                #ifdef USE_MPI  
                        if (pid == 0) {  //this part does not need to be paralellized
@@ -540,86 +800,83 @@ int ClassifySeqsCommand::execute(){
                        if(namefile != "") {
                        
                            m->mothurOut("Reading " + namefileNames[s] + "..."); cout.flush();
-                               
                                nameMap.clear(); //remove old names
-                               
-                               ifstream inNames;
-                               openInputFile(namefileNames[s], inNames);
-                               
-                               string firstCol, secondCol;
-                               while(!inNames.eof()) {
-                                       inNames >> firstCol >> secondCol; gobble(inNames);
-                                       
-                                       vector<string> temp;
-                                       splitAtComma(secondCol, temp);
-                       
-                                       nameMap[firstCol] = temp;  
-                               }
-                               inNames.close();
-                               
+                               m->readNames(namefileNames[s], nameMap);                                
                                m->mothurOut("  Done."); m->mothurOutEndLine();
                        }
                #endif
 
-                       string group = "";
-                       if (groupfile != "") {  group = groupfileNames[s]; }
-                       
-                       PhyloSummary taxaSum(taxonomyFileName, group);
-                       
-                       if (m->control_pressed) {  for (int i = 0; i < outputNames.size(); i++) {       remove(outputNames[i].c_str()); } delete classify; return 0; }
-               
-                       if (namefile == "") {  taxaSum.summarize(tempTaxonomyFile);  }
-                       else {
-                               ifstream in;
-                               openInputFile(tempTaxonomyFile, in);
-                               
-                               //read in users taxonomy file and add sequences to tree
-                               string name, taxon;
-                               
-                               while(!in.eof()){
-                                       in >> name >> taxon; gobble(in);
-                                       
-                                       itNames = nameMap.find(name);
-               
-                                       if (itNames == nameMap.end()) { 
-                                               m->mothurOut(name + " is not in your name file please correct."); m->mothurOutEndLine(); exit(1);
-                                       }else{
-                                               for (int i = 0; i < itNames->second.size(); i++) { 
-                                                       taxaSum.addSeqToTree(itNames->second[i], taxon);  //add it as many times as there are identical seqs
-                                               }
-                                               itNames->second.clear();
-                                               nameMap.erase(itNames->first);
-                                       }
-                               }
-                               in.close();
-                       }
-                       remove(tempTaxonomyFile.c_str());
+                string group = "";
+                GroupMap* groupMap = NULL;
+                CountTable* ct = NULL;
+                PhyloSummary* taxaSum;
+                if (hasCount) { 
+                    ct = new CountTable();
+                    ct->readTable(countfileNames[s], true, false);
+                    taxaSum = new PhyloSummary(taxonomyFileName, ct);
+                    taxaSum->summarize(tempTaxonomyFile);
+                }else {
+                    if (groupfile != "") {  group = groupfileNames[s]; groupMap = new GroupMap(group); groupMap->readMap(); }
+                    
+                    taxaSum = new PhyloSummary(taxonomyFileName, groupMap);
+                    
+                    if (m->control_pressed) { outputTypes.clear(); if (ct != NULL) { delete ct; }  if (groupMap != NULL) { delete groupMap; } delete taxaSum; for (int i = 0; i < outputNames.size(); i++) {   m->mothurRemove(outputNames[i]);        } delete classify; return 0; }
+                    
+                    if (namefile == "") {  taxaSum->summarize(tempTaxonomyFile);  }
+                    else {
+                        ifstream in;
+                        m->openInputFile(tempTaxonomyFile, in);
+                        
+                        //read in users taxonomy file and add sequences to tree
+                        string name, taxon;
+                        
+                        while(!in.eof()){
+                            if (m->control_pressed) { outputTypes.clear();  if (ct != NULL) { delete ct; } if (groupMap != NULL) { delete groupMap; } delete taxaSum; for (int i = 0; i < outputNames.size(); i++) {   m->mothurRemove(outputNames[i]);        } delete classify; return 0; }
+                            
+                            in >> name >> taxon; m->gobble(in);
+                            
+                            itNames = nameMap.find(name);
+                            
+                            if (itNames == nameMap.end()) { 
+                                m->mothurOut(name + " is not in your name file please correct."); m->mothurOutEndLine(); exit(1);
+                            }else{
+                                for (int i = 0; i < itNames->second.size(); i++) { 
+                                    taxaSum->addSeqToTree(itNames->second[i], taxon);  //add it as many times as there are identical seqs
+                                }
+                                itNames->second.clear();
+                                nameMap.erase(itNames->first);
+                            }
+                        }
+                        in.close();
+                    }
+                }
+                       m->mothurRemove(tempTaxonomyFile);
                        
-                       if (m->control_pressed) {  for (int i = 0; i < outputNames.size(); i++) {       remove(outputNames[i].c_str()); } delete classify; return 0; }
+                       if (m->control_pressed) {  outputTypes.clear(); if (ct != NULL) { delete ct; } if (groupMap != NULL) { delete groupMap; } for (int i = 0; i < outputNames.size(); i++) {        m->mothurRemove(outputNames[i]);        } delete classify; return 0; }
                        
                        //print summary file
                        ofstream outTaxTree;
-                       openOutputFile(taxSummary, outTaxTree);
-                       taxaSum.print(outTaxTree);
+                       m->openOutputFile(taxSummary, outTaxTree);
+                       taxaSum->print(outTaxTree);
                        outTaxTree.close();
                        
                        //output taxonomy with the unclassified bins added
                        ifstream inTax;
-                       openInputFile(newTaxonomyFile, inTax);
+                       m->openInputFile(newTaxonomyFile, inTax);
                        
                        ofstream outTax;
                        string unclass = newTaxonomyFile + ".unclass.temp";
-                       openOutputFile(unclass, outTax);
+                       m->openOutputFile(unclass, outTax);
                        
                        //get maxLevel from phylotree so you know how many 'unclassified's to add
-                       int maxLevel = taxaSum.getMaxLevel();
-                       
+                       int maxLevel = taxaSum->getMaxLevel();
+                                                       
                        //read taxfile - this reading and rewriting is done to preserve the confidence scores.
                        string name, taxon;
                        while (!inTax.eof()) {
-                               if (m->control_pressed) {  for (int i = 0; i < outputNames.size(); i++) {       remove(outputNames[i].c_str()); } remove(unclass.c_str()); delete classify; return 0; }
+                               if (m->control_pressed) { outputTypes.clear(); if (ct != NULL) { delete ct; }  if (groupMap != NULL) { delete groupMap; } delete taxaSum; for (int i = 0; i < outputNames.size(); i++) {        m->mothurRemove(outputNames[i]);        } m->mothurRemove(unclass); delete classify; return 0; }
 
-                               inTax >> name >> taxon; gobble(inTax);
+                               inTax >> name >> taxon; m->gobble(inTax);
                                
                                string newTax = addUnclassifieds(taxon, maxLevel);
                                
@@ -628,23 +885,40 @@ int ClassifySeqsCommand::execute(){
                        inTax.close();  
                        outTax.close();
                        
-                       remove(newTaxonomyFile.c_str());
+            if (ct != NULL) { delete ct; }
+            if (groupMap != NULL) { delete groupMap; } delete taxaSum;
+                       m->mothurRemove(newTaxonomyFile);
                        rename(unclass.c_str(), newTaxonomyFile.c_str());
                        
                        m->mothurOutEndLine();
-                       m->mothurOut("It took " + toString(time(NULL) - start) + " secs to create the summary file for  " + toString(numFastaSeqs) + " sequences."); m->mothurOutEndLine(); m->mothurOutEndLine();
+                       m->mothurOut("It took " + toString(time(NULL) - start) + " secs to create the summary file for " + toString(numFastaSeqs) + " sequences."); m->mothurOutEndLine(); m->mothurOutEndLine();
                        
                        #ifdef USE_MPI  
                                }
                        #endif
-
-                       m->mothurOutEndLine();
-                       m->mothurOut("Output File Names: "); m->mothurOutEndLine();
-                       for (int i = 0; i < outputNames.size(); i++) {  m->mothurOut(outputNames[i]); m->mothurOutEndLine();    }
-                       m->mothurOutEndLine();
                }
+        delete classify;
+        
+        m->mothurOutEndLine();
+        m->mothurOut("Output File Names: "); m->mothurOutEndLine();
+        for (int i = 0; i < outputNames.size(); i++) { m->mothurOut(outputNames[i]); m->mothurOutEndLine();    }
+        m->mothurOutEndLine();
+               
+               //set taxonomy file as new current taxonomyfile
+               string current = "";
+               itTypes = outputTypes.find("taxonomy");
+               if (itTypes != outputTypes.end()) {
+                       if ((itTypes->second).size() != 0) { current = (itTypes->second)[0]; m->setTaxonomyFile(current); }
+               }
+               
+               current = "";
+               itTypes = outputTypes.find("accnos");
+               if (itTypes != outputTypes.end()) {
+                       if ((itTypes->second).size() != 0) { current = (itTypes->second)[0]; m->setAccnosFile(current); }
+               }
+               
+               
                
-               delete classify;
                return 0;
        }
        catch(exception& e) {
@@ -684,11 +958,14 @@ string ClassifySeqsCommand::addUnclassifieds(string tax, int maxlevel) {
 
 /**************************************************************************************************/
 
-void ClassifySeqsCommand::createProcesses(string taxFileName, string tempTaxFile, string filename) {
+int ClassifySeqsCommand::createProcesses(string taxFileName, string tempTaxFile, string accnos, string filename) {
        try {
-#if defined (__APPLE__) || (__MACH__) || (linux) || (__linux)
-               int process = 0;
-               //              processIDS.resize(0);
+               
+               int num = 0;
+               processIDS.clear();
+               
+#if defined (__APPLE__) || (__MACH__) || (linux) || (__linux) || (__linux__) || (__unix__) || (__unix)
+               int process = 1;
                
                //loop through and create all the processes you want
                while (process != processors) {
@@ -698,97 +975,194 @@ void ClassifySeqsCommand::createProcesses(string taxFileName, string tempTaxFile
                                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){
-                               driver(lines[process], taxFileName + toString(getpid()) + ".temp", tempTaxFile + toString(getpid()) + ".temp", filename);
+                               num = driver(lines[process], taxFileName + toString(getpid()) + ".temp", tempTaxFile + toString(getpid()) + ".temp", accnos + toString(getpid()) + ".temp", filename);
+
+                               //pass numSeqs to parent
+                               ofstream out;
+                               string tempFile = filename + 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);
-                       }else { m->mothurOut("unable to spawn the necessary processes."); m->mothurOutEndLine(); exit(0); }
+                       }
                }
                
+               //parent does its part
+               num = driver(lines[0], taxFileName, tempTaxFile, accnos, filename);
+               
                //force parent to wait until all the processes are done
-               for (int i=0;i<processors;i++) { 
+               for (int i=0;i<processIDS.size();i++) { 
                        int temp = processIDS[i];
                        wait(&temp);
                }
-#endif         
-       }
-       catch(exception& e) {
-               m->errorOut(e, "ClassifySeqsCommand", "createProcesses");
-               exit(1);
-       }
-}
-/**************************************************************************************************/
-
-void ClassifySeqsCommand::appendTaxFiles(string temp, string filename) {
-       try{
                
-               ofstream output;
-               ifstream input;
-               openOutputFileAppend(filename, output);
-               openInputFile(temp, input);
+               for (int i = 0; i < processIDS.size(); i++) {
+                       ifstream in;
+                       string tempFile =  filename + toString(processIDS[i]) + ".num.temp";
+                       m->openInputFile(tempFile, in);
+                       if (!in.eof()) { int tempNum = 0; in >> tempNum; num += tempNum; }
+                       in.close(); m->mothurRemove(m->getFullPathName(tempFile));
+               }
+#else
+               //////////////////////////////////////////////////////////////////////////////////////////////////////
+               //Windows version shared memory, so be careful when passing variables through the alignData struct. 
+               //Above fork() will clone, so memory is separate, but that's not the case with windows, 
+               //////////////////////////////////////////////////////////////////////////////////////////////////////
+               
+               vector<classifyData*> pDataArray; 
+               DWORD   dwThreadIdArray[processors-1];
+               HANDLE  hThreadArray[processors-1]; 
+               
+               //Create processor worker threads.
+               for( int i=0; i<processors-1; i++ ){
+                       // Allocate memory for thread data.
+                       string extension = "";
+                       if (i != 0) { extension = toString(i) + ".temp"; processIDS.push_back(i); }
+                       
+                       classifyData* tempclass = new classifyData((accnos + extension), probs, method, templateFileName, taxonomyFileName, (taxFileName + extension), (tempTaxFile + extension), filename, search, kmerSize, iters, numWanted, m, lines[i]->start, lines[i]->end, match, misMatch, gapOpen, gapExtend, cutoff, i, flip, writeShortcuts);
+                       pDataArray.push_back(tempclass);
+                       
+                       //MySeqSumThreadFunction 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, MyClassThreadFunction, pDataArray[i], 0, &dwThreadIdArray[i]);  
+                       
+               }
+               
+               //parent does its part
+               num = driver(lines[processors-1], taxFileName + toString(processors-1) + ".temp", tempTaxFile + toString(processors-1) + ".temp", accnos + toString(processors-1) + ".temp", filename);
+               processIDS.push_back((processors-1));
+               
+               //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++){
+                       num += pDataArray[i]->count;
+            if (pDataArray[i]->count != pDataArray[i]->end) {
+                m->mothurOut("[ERROR]: process " + toString(i) + " only processed " + toString(pDataArray[i]->count) + " of " + toString(pDataArray[i]->end) + " sequences assigned to it, quitting. \n"); m->control_pressed = true; 
+            }
+                       CloseHandle(hThreadArray[i]);
+                       delete pDataArray[i];
+               }
+               
+       #endif  
+        vector<string> nonBlankAccnosFiles;
+               if (!(m->isBlank(accnos))) { nonBlankAccnosFiles.push_back(accnos); }
+               else { m->mothurRemove(accnos); } //remove so other files can be renamed to it
+        
+               for(int i=0;i<processIDS.size();i++){
+                       m->appendFiles((taxFileName + toString(processIDS[i]) + ".temp"), taxFileName);
+                       m->appendFiles((tempTaxFile + toString(processIDS[i]) + ".temp"), tempTaxFile);
+            if (!(m->isBlank(accnos + toString(processIDS[i]) + ".temp"))) {
+                               nonBlankAccnosFiles.push_back(accnos + toString(processIDS[i]) + ".temp");
+                       }else { m->mothurRemove((accnos + toString(processIDS[i]) + ".temp"));  }
+
+                       m->mothurRemove((m->getFullPathName(taxFileName) + toString(processIDS[i]) + ".temp"));
+                       m->mothurRemove((m->getFullPathName(tempTaxFile) + toString(processIDS[i]) + ".temp"));
+               }
                
-               while(char c = input.get()){
-                       if(input.eof())         {       break;                  }
-                       else                            {       output << c;    }
+        //append accnos files
+               if (nonBlankAccnosFiles.size() != 0) { 
+                       rename(nonBlankAccnosFiles[0].c_str(), accnos.c_str());
+                       
+                       for (int h=1; h < nonBlankAccnosFiles.size(); h++) {
+                               m->appendFiles(nonBlankAccnosFiles[h], accnos);
+                               m->mothurRemove(nonBlankAccnosFiles[h]);
+                       }
+               }else { //recreate the accnosfile if needed
+                       ofstream out;
+                       m->openOutputFile(accnos, out);
+                       out.close();
                }
+
+               return num;
                
-               input.close();
-               output.close();
        }
        catch(exception& e) {
-               m->errorOut(e, "ClassifySeqsCommand", "appendTaxFiles");
+               m->errorOut(e, "ClassifySeqsCommand", "createProcesses");
                exit(1);
        }
 }
-
 //**********************************************************************************************************************
 
-int ClassifySeqsCommand::driver(linePair* line, string taxFName, string tempTFName, string filename){
+int ClassifySeqsCommand::driver(linePair* filePos, string taxFName, string tempTFName, string accnos, string filename){
        try {
                ofstream outTax;
-               openOutputFile(taxFName, outTax);
+               m->openOutputFile(taxFName, outTax);
                
                ofstream outTaxSimple;
-               openOutputFile(tempTFName, outTaxSimple);
+               m->openOutputFile(tempTFName, outTaxSimple);
+               
+               ofstream outAcc;
+               m->openOutputFile(accnos, outAcc);
        
                ifstream inFASTA;
-               openInputFile(filename, inFASTA);
-
-               inFASTA.seekg(line->start);
+               m->openInputFile(filename, inFASTA);
                
                string taxonomy;
 
-               for(int i=0;i<line->numSeqs;i++){
-                       if (m->control_pressed) { return 0; }
-                       
-                       Sequence* candidateSeq = new Sequence(inFASTA);
+               inFASTA.seekg(filePos->start);
+
+               bool done = false;
+               int count = 0;
+               
+               while (!done) {
+                       if (m->control_pressed) { 
+                               inFASTA.close();
+                               outTax.close();
+                               outTaxSimple.close();
+                               outAcc.close(); return 0; }
+               
+                       Sequence* candidateSeq = new Sequence(inFASTA); m->gobble(inFASTA);
                        
                        if (candidateSeq->getName() != "") {
+                       
                                taxonomy = classify->getTaxonomy(candidateSeq);
                                
                                if (m->control_pressed) { delete candidateSeq; return 0; }
-
-                               if (taxonomy != "bad seq") {
-                                       //output confidence scores or not
-                                       if (probs) {
-                                               outTax << candidateSeq->getName() << '\t' << taxonomy << endl;
-                                       }else{
-                                               outTax << candidateSeq->getName() << '\t' << classify->getSimpleTax() << endl;
-                                       }
-                                       
-                                       outTaxSimple << candidateSeq->getName() << '\t' << classify->getSimpleTax() << endl;
+                               
+                               if (taxonomy == "unknown;") { m->mothurOut("[WARNING]: " + candidateSeq->getName() + " could not be classified. You can use the remove.lineage command with taxon=unknown; to remove such sequences."); m->mothurOutEndLine(); }
+                               
+                               //output confidence scores or not
+                               if (probs) {
+                                       outTax << candidateSeq->getName() << '\t' << taxonomy << endl;
+                               }else{
+                                       outTax << candidateSeq->getName() << '\t' << classify->getSimpleTax() << endl;
                                }
-                       }                               
+                               
+                               if (classify->getFlipped()) { outAcc << candidateSeq->getName() << endl; }
+                               
+                               outTaxSimple << candidateSeq->getName() << '\t' << classify->getSimpleTax() << endl;
+                               
+                               count++;
+                       }
                        delete candidateSeq;
                        
-                       if((i+1) % 100 == 0){
-                               m->mothurOut("Classifying sequence " + toString(i+1)); m->mothurOutEndLine();
-                       }
+                       #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
+                       
+                       //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");               }
+                       
                inFASTA.close();
                outTax.close();
                outTaxSimple.close();
+               outAcc.close();
                
-               return 1;
+               return count;
        }
        catch(exception& e) {
                m->errorOut(e, "ClassifySeqsCommand", "driver");
@@ -797,10 +1171,11 @@ int ClassifySeqsCommand::driver(linePair* line, string taxFName, string tempTFNa
 }
 //**********************************************************************************************************************
 #ifdef USE_MPI
-int ClassifySeqsCommand::driverMPI(int start, int num, MPI_File& inMPI, MPI_File& newFile, MPI_File& tempFile, vector<long>& MPIPos){
+int ClassifySeqsCommand::driverMPI(int start, int num, MPI_File& inMPI, MPI_File& newFile, MPI_File& tempFile, MPI_File& accFile, vector<unsigned long long>& MPIPos){
        try {
                MPI_Status statusNew; 
                MPI_Status statusTemp; 
+               MPI_Status statusAcc; 
                MPI_Status status; 
                
                int pid;
@@ -828,29 +1203,40 @@ int ClassifySeqsCommand::driverMPI(int start, int num, MPI_File& inMPI, MPI_File
                        if (candidateSeq->getName() != "") {
                                taxonomy = classify->getTaxonomy(candidateSeq);
                                
-                               if (taxonomy != "bad seq") {
-                                       //output confidence scores or not
-                                       if (probs) {
-                                               outputString =  candidateSeq->getName() + "\t" + taxonomy + "\n";
-                                       }else{
-                                               outputString =  candidateSeq->getName() + "\t" + classify->getSimpleTax() + "\n";
-                                       }
-                                       
-                                       int length = outputString.length();
-                                       char* buf2 = new char[length];
-                                       memcpy(buf2, outputString.c_str(), length);
+                               if (taxonomy == "unknown;") { m->mothurOut("[WARNING]: " + candidateSeq->getName() + " could not be classified. You can use the remove.lineage command with taxon=unknown; to remove such sequences."); m->mothurOutEndLine(); }
                                
-                                       MPI_File_write_shared(newFile, buf2, length, MPI_CHAR, &statusNew);
-                                       delete buf2;
-
+                               //output confidence scores or not
+                               if (probs) {
+                                       outputString =  candidateSeq->getName() + "\t" + taxonomy + "\n";
+                               }else{
                                        outputString =  candidateSeq->getName() + "\t" + classify->getSimpleTax() + "\n";
-                                       length = outputString.length();
-                                       char* buf = new char[length];
-                                       memcpy(buf, outputString.c_str(), length);
+                               }
+                               
+                               int length = outputString.length();
+                               char* buf2 = new char[length];
+                               memcpy(buf2, outputString.c_str(), length);
+                               
+                               MPI_File_write_shared(newFile, buf2, length, MPI_CHAR, &statusNew);
+                               delete buf2;
+                               
+                               outputString =  candidateSeq->getName() + "\t" + classify->getSimpleTax() + "\n";
+                               length = outputString.length();
+                               char* buf = new char[length];
+                               memcpy(buf, outputString.c_str(), length);
                                
-                                       MPI_File_write_shared(tempFile, buf, length, MPI_CHAR, &statusTemp);
-                                       delete buf;
+                               MPI_File_write_shared(tempFile, buf, length, MPI_CHAR, &statusTemp);
+                               delete buf;
+                               
+                               if (classify->getFlipped()) { 
+                                       outputString =  candidateSeq->getName() + "\n";
+                                       length = outputString.length();
+                                       char* buf3 = new char[length];
+                                       memcpy(buf3, outputString.c_str(), length);
+                                       
+                                       MPI_File_write_shared(accFile, buf3, length, MPI_CHAR, &statusAcc);
+                                       delete buf3;
                                }
+                               
                        }                               
                        delete candidateSeq;
                        
@@ -898,10 +1284,10 @@ int ClassifySeqsCommand::MPIReadNamesFile(string nameFilename){
                
                string firstCol, secondCol;
                while(!iss.eof()) {
-                       iss >> firstCol >> secondCol; gobble(iss);
+                       iss >> firstCol >> secondCol; m->gobble(iss);
                        
                        vector<string> temp;
-                       splitAtComma(secondCol, temp);
+                       m->splitAtComma(secondCol, temp);
                        
                        nameMap[firstCol] = temp;  
                }