]> git.donarmstrong.com Git - mothur.git/blobdiff - chimeracheckcommand.cpp
added mothurOutJustToScreen function and changed all counter outputs to use it.
[mothur.git] / chimeracheckcommand.cpp
index fe919dea41de925a5d27227f3805de3e156f9128..31a36f73c6d0339d775dd6a1a4efa8e523c0f14f 100644 (file)
  */
 
 #include "chimeracheckcommand.h"
-#include "chimeracheckrdp.h"
+#include "referencedb.h"
 
-//***************************************************************************************************************
+//**********************************************************************************************************************
+vector<string> ChimeraCheckCommand::setParameters(){   
+       try {
+               CommandParameter ptemplate("reference", "InputTypes", "", "", "none", "none", "none","",false,true,true); parameters.push_back(ptemplate);
+               CommandParameter pfasta("fasta", "InputTypes", "", "", "none", "none", "none","chimera",false,true,true); parameters.push_back(pfasta);
+               CommandParameter pname("name", "InputTypes", "", "", "none", "none", "none","",false,false,true); parameters.push_back(pname);
+               CommandParameter psvg("svg", "Boolean", "", "F", "", "", "","",false,false); parameters.push_back(psvg);
+               CommandParameter pincrement("increment", "Number", "", "10", "", "", "","",false,false); parameters.push_back(pincrement);
+               CommandParameter pksize("ksize", "Number", "", "7", "", "", "","",false,false); parameters.push_back(pksize);
+               CommandParameter pprocessors("processors", "Number", "", "1", "", "", "","",false,false,true); parameters.push_back(pprocessors);
+               CommandParameter pinputdir("inputdir", "String", "", "", "", "", "","",false,false); parameters.push_back(pinputdir);
+               CommandParameter poutputdir("outputdir", "String", "", "", "", "", "","",false,false); parameters.push_back(poutputdir);
+               CommandParameter psave("save", "Boolean", "", "F", "", "", "","",false,false); parameters.push_back(psave);
 
+               vector<string> myArray;
+               for (int i = 0; i < parameters.size(); i++) {   myArray.push_back(parameters[i].name);          }
+               return myArray;
+       }
+       catch(exception& e) {
+               m->errorOut(e, "ChimeraCheckCommand", "setParameters");
+               exit(1);
+       }
+}
+//**********************************************************************************************************************
+string ChimeraCheckCommand::getHelpString(){   
+       try {
+               string helpString = "";
+               helpString += "The chimera.check command reads a fastafile and referencefile and outputs potentially chimeric sequences.\n";
+               helpString += "This command was created using the algorythms described in CHIMERA_CHECK version 2.7 written by Niels Larsen. \n";
+               helpString += "The chimera.check command parameters are fasta, reference, processors, ksize, increment, svg and name.\n";
+               helpString += "The fasta parameter allows you to enter the fasta file containing your potentially chimeric sequences, and is required unless you have a valid current fasta file. \n";
+               helpString += "You may enter multiple fasta files by separating their names with dashes. ie. fasta=abrecovery.fasta-amzon.fasta \n";
+               helpString += "The reference parameter allows you to enter a reference file containing known non-chimeric sequences, and is required. \n";
+               helpString += "The processors parameter allows you to specify how many processors you would like to use.  The default is 1. \n";
+#ifdef USE_MPI
+               helpString += "When using MPI, the processors parameter is set to the number of MPI processes running. \n";
+#endif
+               helpString += "The increment parameter allows you to specify how far you move each window while finding chimeric sequences, default is 10.\n";
+               helpString += "The ksize parameter allows you to input kmersize, default is 7. \n";
+               helpString += "The svg parameter allows you to specify whether or not you would like a svg file outputted for each query sequence, default is False.\n";
+               helpString += "The name parameter allows you to enter a file containing names of sequences you would like .svg files for.\n";
+               helpString += "You may enter multiple name files by separating their names with dashes. ie. fasta=abrecovery.svg.names-amzon.svg.names \n";
+               helpString += "If the save parameter is set to true the reference sequences will be saved in memory, to clear them later you can use the clear.memory command. Default=f.";
+               helpString += "The chimera.check command should be in the following format: \n";
+               helpString += "chimera.check(fasta=yourFastaFile, reference=yourTemplateFile, processors=yourProcessors, ksize=yourKmerSize) \n";
+               helpString += "Example: chimera.check(fasta=AD.fasta, reference=core_set_aligned,imputed.fasta, processors=4, ksize=8) \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, "ChimeraCheckCommand", "getHelpString");
+               exit(1);
+       }
+}
+//**********************************************************************************************************************
+string ChimeraCheckCommand::getOutputPattern(string type) {
+    try {
+        string pattern = "";
+        
+        if (type == "chimera") {  pattern = "[filename],chimeracheck.chimeras"; } 
+        else { m->mothurOut("[ERROR]: No definition for type " + type + " output pattern.\n"); m->control_pressed = true;  }
+        
+        return pattern;
+    }
+    catch(exception& e) {
+        m->errorOut(e, "ChimeraCheckCommand", "getOutputPattern");
+        exit(1);
+    }
+}
+//**********************************************************************************************************************
+ChimeraCheckCommand::ChimeraCheckCommand(){    
+       try {
+               abort = true; calledHelp = true;
+               setParameters();
+               vector<string> tempOutNames;
+               outputTypes["chimera"] = tempOutNames;
+       }
+       catch(exception& e) {
+               m->errorOut(e, "ChimeraCheckCommand", "ChimeraCheckCommand");
+               exit(1);
+       }
+}
+//***************************************************************************************************************
 ChimeraCheckCommand::ChimeraCheckCommand(string option)  {
        try {
-               abort = false;
+               abort = false; calledHelp = false;  
+               ReferenceDB* rdb = ReferenceDB::getInstance();
                
                //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 Array[] =  {"fasta","processors","increment","template","ksize","svg", "name","outputdir","inputdir" };
-                       vector<string> myArray (Array, Array+(sizeof(Array)/sizeof(string)));
+                       vector<string> myArray = setParameters();
                        
                        OptionParser parser(option);
                        map<string,string> parameters = parser.getParameters();
                        
-                       ValidParameters validParameter;
+                       ValidParameters validParameter("chimera.check");
                        map<string,string>::iterator it;
                        
                        //check to make sure all parameters are valid for command
@@ -35,67 +116,219 @@ ChimeraCheckCommand::ChimeraCheckCommand(string option)  {
                                if (validParameter.isValidParameter(it->first, myArray, it->second) != true) {  abort = true;  }
                        }
                        
+                       vector<string> tempOutNames;
+                       outputTypes["chimera"] = tempOutNames;
+               
                        //if the user changes the input directory command factory will send this info to us in the output parameter 
                        string inputDir = validParameter.validFile(parameters, "inputdir", false);              
                        if (inputDir == "not found"){   inputDir = "";          }
                        else {
-                               string path;
-                               it = parameters.find("fasta");
+                               it = parameters.find("reference");
                                //user has given a template file
                                if(it != parameters.end()){ 
-                                       path = hasPath(it->second);
+                                       string path = m->hasPath(it->second);
                                        //if the user has not given a path then, add inputdir. else leave path alone.
-                                       if (path == "") {       parameters["fasta"] = inputDir + it->second;            }
+                                       if (path == "") {       parameters["reference"] = inputDir + it->second;                }
                                }
+                       }
+                       
+                       //check for required parameters
+                       fastafile = validParameter.validFile(parameters, "fasta", false);
+                       if (fastafile == "not found") {                                 
+                               //if there is a current fasta file, use it
+                               string filename = m->getFastaFile(); 
+                               if (filename != "") { fastaFileNames.push_back(filename); m->mothurOut("Using " + filename + " as input file for the fasta parameter."); m->mothurOutEndLine(); }
+                               else {  m->mothurOut("You have no current fastafile and the fasta parameter is required."); m->mothurOutEndLine(); abort = true; }
+                       }else { 
+                               m->splitAtDash(fastafile, fastaFileNames);
                                
-                               it = parameters.find("template");
-                               //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["template"] = inputDir + it->second;         }
+                               //go through files and make sure they are good, if not, then disregard them
+                               for (int i = 0; i < fastaFileNames.size(); i++) {
+                                       
+                                       bool ignore = false;
+                                       if (fastaFileNames[i] == "current") { 
+                                               fastaFileNames[i] = m->getFastaFile(); 
+                                               if (fastaFileNames[i] != "") {  m->mothurOut("Using " + fastaFileNames[i] + " as input file for the fasta parameter where you had given current."); m->mothurOutEndLine(); }
+                                               else {  
+                                                       m->mothurOut("You have no current fastafile, ignoring current."); m->mothurOutEndLine(); ignore=true; 
+                                                       //erase from file list
+                                                       fastaFileNames.erase(fastaFileNames.begin()+i);
+                                                       i--;
+                                               }
+                                       }
+                                       
+                                       if (!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");
+                                       
+                                               //if you can't open it, try default location
+                                               if (ableToOpen == 1) {
+                                                       if (m->getDefaultPath() != "") { //default path is set
+                                                               string tryPath = m->getDefaultPath() + m->getSimpleName(fastaFileNames[i]);
+                                                               m->mothurOut("Unable to open " + fastaFileNames[i] + ". Trying default " + tryPath); m->mothurOutEndLine();
+                                                               ifstream in2;
+                                                               ableToOpen = m->openInputFile(tryPath, in2, "noerror");
+                                                               in2.close();
+                                                               fastaFileNames[i] = tryPath;
+                                                       }
+                                               }
+                                               
+                                               //if you can't open it, try default location
+                                               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]);
+                                               }
+                                       }
                                }
                                
-                               it = parameters.find("name");
-                               //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["name"] = inputDir + it->second;             }
-                               }
+                               //make sure there is at least one valid file left
+                               if (fastaFileNames.size() == 0) { m->mothurOut("no valid files."); m->mothurOutEndLine(); abort = true; }
                        }
-
-                       
-                       //check for required parameters
-                       fastafile = validParameter.validFile(parameters, "fasta", true);
-                       if (fastafile == "not open") { abort = true; }
-                       else if (fastafile == "not found") { fastafile = ""; m->mothurOut("fasta is a required parameter for the chimera.check command."); m->mothurOutEndLine(); abort = true;  }      
                        
                        //if the user changes the output directory command factory will send this info to us in the output parameter 
-                       outputDir = validParameter.validFile(parameters, "outputdir", false);           if (outputDir == "not found"){  
-                               outputDir = ""; 
-                               outputDir += hasPath(fastafile); //if user entered a file with a path then preserve it  
+                       outputDir = validParameter.validFile(parameters, "outputdir", false);           if (outputDir == "not found"){  outputDir = ""; }
+                       
+                       namefile = validParameter.validFile(parameters, "name", false);
+                       if (namefile == "not found") { namefile = ""; }
+                       else { 
+                               m->splitAtDash(namefile, nameFileNames);
+                               
+                               //go through files and make sure they are good, if not, then disregard them
+                               for (int i = 0; i < nameFileNames.size(); i++) {
+                                       
+                                       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--;
+                                               }
+                                       }
+                                       
+                                       if (!ignore) {
+                                       
+                                               if (inputDir != "") {
+                                                       string path = m->hasPath(nameFileNames[i]);
+                                                       //if the user has not given a path then, add inputdir. else leave path alone.
+                                                       if (path == "") {       nameFileNames[i] = inputDir + nameFileNames[i];         }
+                                               }
+               
+                                               int ableToOpen;
+                                               ifstream in;
+                                               
+                                               ableToOpen = m->openInputFile(nameFileNames[i], in, "noerror");
+                                       
+                                               //if you can't open it, try default location
+                                               if (ableToOpen == 1) {
+                                                       if (m->getDefaultPath() != "") { //default path is set
+                                                               string tryPath = m->getDefaultPath() + m->getSimpleName(nameFileNames[i]);
+                                                               m->mothurOut("Unable to open " + nameFileNames[i] + ". Trying default " + tryPath); m->mothurOutEndLine();
+                                                               ifstream in2;
+                                                               ableToOpen = m->openInputFile(tryPath, in2, "noerror");
+                                                               in2.close();
+                                                               nameFileNames[i] = tryPath;
+                                                       }
+                                               }
+                                               
+                                               //if you can't open it, try default location
+                                               if (ableToOpen == 1) {
+                                                       if (m->getOutputDir() != "") { //default path is set
+                                                               string tryPath = m->getOutputDir() + m->getSimpleName(nameFileNames[i]);
+                                                               m->mothurOut("Unable to open " + nameFileNames[i] + ". Trying output directory " + tryPath); m->mothurOutEndLine();
+                                                               ifstream in2;
+                                                               ableToOpen = m->openInputFile(tryPath, in2, "noerror");
+                                                               in2.close();
+                                                               nameFileNames[i] = tryPath;
+                                                       }
+                                               }
+                                               
+                                               in.close();
+                                               
+                                               if (ableToOpen == 1) { 
+                                                       m->mothurOut("Unable to open " + nameFileNames[i] + ". It will be disregarded."); m->mothurOutEndLine(); 
+                                                       //erase from file list
+                                                       nameFileNames.erase(nameFileNames.begin()+i);
+                                                       i--;
+                                               }else {
+                                                       m->setNameFile(nameFileNames[i]);
+                                               }
+                                       }
+                               }
+                               
+                               //make sure there is at least one valid file left
+                               if (nameFileNames.size() != 0) {
+                                       if (nameFileNames.size() != fastaFileNames.size()) { 
+                                                m->mothurOut("Different number of valid name files and fasta files, aborting command."); m->mothurOutEndLine(); 
+                                                abort = true;
+                                       }
+                               }
                        }
 
-                       templatefile = validParameter.validFile(parameters, "template", true);
-                       if (templatefile == "not open") { abort = true; }
-                       else if (templatefile == "not found") { templatefile = "";  m->mothurOut("template is a required parameter for the chimera.check command."); m->mothurOutEndLine(); abort = true;  }    
+                       string temp = validParameter.validFile(parameters, "processors", false);        if (temp == "not found"){       temp = m->getProcessors();      }
+                       m->setProcessors(temp);
+                       m->mothurConvert(temp, processors);
+                       
+                       temp = validParameter.validFile(parameters, "save", false);                     if (temp == "not found"){       temp = "f";                             }
+                       save = m->isTrue(temp); 
+                       rdb->save = save; 
+                       if (save) { //clear out old references
+                               rdb->clearMemory();     
+                       }
+                       
+                       //this has to go after save so that if the user sets save=t and provides no reference we abort
+                       templatefile = validParameter.validFile(parameters, "reference", true);
+                       if (templatefile == "not found") { 
+                               //check for saved reference sequences
+                               if (rdb->referenceSeqs.size() != 0) {
+                                       templatefile = "saved";
+                               }else {
+                                       m->mothurOut("[ERROR]: You don't have any saved reference sequences and the reference parameter is a required."); 
+                                       m->mothurOutEndLine();
+                                       abort = true; 
+                               }
+                       }else if (templatefile == "not open") { abort = true; } 
+                       else {  if (save) {     rdb->setSavedReference(templatefile);   }       }
                        
-                       namefile = validParameter.validFile(parameters, "name", true);
-                       if (namefile == "not open") { abort = true; }
-                       else if (namefile == "not found") { namefile = "";  }
-
-                       string temp = validParameter.validFile(parameters, "processors", false);                if (temp == "not found") { temp = "1"; }
-                       convert(temp, processors);
                        
                        temp = validParameter.validFile(parameters, "ksize", false);                    if (temp == "not found") { temp = "7"; }
-                       convert(temp, ksize);
+                       m->mothurConvert(temp, ksize);
                        
                        temp = validParameter.validFile(parameters, "svg", false);                              if (temp == "not found") { temp = "F"; }
-                       svg = isTrue(temp);
+                       svg = m->isTrue(temp);
+                       if (nameFileNames.size() != 0) { svg = true; }
                        
                        temp = validParameter.validFile(parameters, "increment", false);                if (temp == "not found") { temp = "10"; }
-                       convert(temp, increment);                       
+                       m->mothurConvert(temp, increment);                      
                }
        }
        catch(exception& e) {
@@ -103,226 +336,167 @@ ChimeraCheckCommand::ChimeraCheckCommand(string option)  {
                exit(1);
        }
 }
-//**********************************************************************************************************************
-
-void ChimeraCheckCommand::help(){
-       try {
-       
-               m->mothurOut("The chimera.check command reads a fastafile and templatefile and outputs potentially chimeric sequences.\n");
-               m->mothurOut("This command was created using the algorythms described in CHIMERA_CHECK version 2.7 written by Niels Larsen. \n");
-               m->mothurOut("The chimera.check command parameters are fasta, template, processors, ksize, increment, svg and name.\n");
-               m->mothurOut("The fasta parameter allows you to enter the fasta file containing your potentially chimeric sequences, and is required. \n");
-               m->mothurOut("The template parameter allows you to enter a template file containing known non-chimeric sequences, and is required. \n");
-               m->mothurOut("The processors parameter allows you to specify how many processors you would like to use.  The default is 1. \n");
-               #ifdef USE_MPI
-               m->mothurOut("When using MPI, the processors parameter is set to the number of MPI processes running. \n");
-               #endif
-               m->mothurOut("The increment parameter allows you to specify how far you move each window while finding chimeric sequences, default is 10.\n");
-               m->mothurOut("The ksize parameter allows you to input kmersize, default is 7. \n");
-               m->mothurOut("The svg parameter allows you to specify whether or not you would like a svg file outputted for each query sequence, default is False.\n");
-               m->mothurOut("The name parameter allows you to enter a file containing names of sequences you would like .svg files for.\n");
-               m->mothurOut("The chimera.check command should be in the following format: \n");
-               m->mothurOut("chimera.check(fasta=yourFastaFile, template=yourTemplateFile, processors=yourProcessors, ksize=yourKmerSize) \n");
-               m->mothurOut("Example: chimera.check(fasta=AD.fasta, template=core_set_aligned,imputed.fasta, processors=4, ksize=8) \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, "ChimeraCheckCommand", "help");
-               exit(1);
-       }
-}
-
-//***************************************************************************************************************
-
-ChimeraCheckCommand::~ChimeraCheckCommand(){   /*      do nothing      */      }
-
 //***************************************************************************************************************
 
 int ChimeraCheckCommand::execute(){
        try{
                
-               if (abort == true) { return 0; }
-               
-               int start = time(NULL); 
-               
-               chimera = new ChimeraCheckRDP(fastafile, templatefile, namefile, svg, increment, ksize, outputDir);                     
-
-               if (m->control_pressed) { delete chimera;       return 0;       }
-               
-               string outputFileName = outputDir + getRootName(getSimpleName(fastafile))  + "chimeracheck.chimeras";
+               if (abort == true) { if (calledHelp) { return 0; }  return 2;   }
                
-       #ifdef USE_MPI
-       
-                       int pid, end, numSeqsPerProcessor; 
-                       int tag = 2001;
-                       vector<long> MPIPos;
+               for (int i = 0; i < fastaFileNames.size(); i++) {
+                               
+                       m->mothurOut("Checking sequences from " + fastaFileNames[i] + " ..." ); m->mothurOutEndLine();
                        
-                       MPI_Status status; 
-                       MPI_Comm_rank(MPI_COMM_WORLD, &pid); //find out who we are
-                       MPI_Comm_size(MPI_COMM_WORLD, &processors); 
-
-                       MPI_File inMPI;
-                       MPI_File outMPI;
-                                               
-                       int outMode=MPI_MODE_CREATE|MPI_MODE_WRONLY; 
-                       int inMode=MPI_MODE_RDONLY; 
+                       int start = time(NULL); 
                        
-                       char* outFilename = new char[outputFileName.length()];\r
-                       memcpy(outFilename, outputFileName.c_str(), outputFileName.length());
-
-                       char* inFileName = new char[fastafile.length()];\r
-                       memcpy(inFileName, fastafile.c_str(), fastafile.length());
-
-                       MPI_File_open(MPI_COMM_WORLD, inFileName, inMode, MPI_INFO_NULL, &inMPI);  //comm, filename, mode, info, filepointer
-                       MPI_File_open(MPI_COMM_WORLD, outFilename, outMode, MPI_INFO_NULL, &outMPI);
+                       string thisNameFile = "";
+                       if (nameFileNames.size() != 0) { thisNameFile = nameFileNames[i]; }
                        
-                       delete outFilename;
-                       delete inFileName;
+                       chimera = new ChimeraCheckRDP(fastaFileNames[i], templatefile, thisNameFile, svg, increment, ksize, outputDir);                 
 
-                       if (m->control_pressed) {  MPI_File_close(&inMPI);  MPI_File_close(&outMPI);  delete chimera; return 0;  }
+                       if (m->control_pressed) { delete chimera;       return 0;       }
                        
-                       if (pid == 0) { //you are the root process 
-                               MPIPos = setFilePosFasta(fastafile, numSeqs); //fills MPIPos, returns numSeqs
-                               
-                               //send file positions to all processes
-                               MPI_Bcast(&numSeqs, 1, MPI_INT, 0, MPI_COMM_WORLD);  //send numSeqs
-                               MPI_Bcast(&MPIPos[0], (numSeqs+1), MPI_LONG, 0, MPI_COMM_WORLD); //send file pos        
-                               
-                               //figure out how many sequences you have to align
-                               numSeqsPerProcessor = numSeqs / processors;
-                               if(pid == (processors - 1)){    numSeqsPerProcessor = numSeqs - pid * numSeqsPerProcessor;      }
-                               int startIndex =  pid * numSeqsPerProcessor;
+                       if (outputDir == "") { outputDir = m->hasPath(fastaFileNames[i]);  }//if user entered a file with a path then preserve it
+            map<string, string> variables;
+            variables["[filename]"] = outputDir + m->getRootName(m->getSimpleName(fastaFileNames[i]));
+                       string outputFileName = getOutputFileName("chimera", variables);
+                       outputNames.push_back(outputFileName); outputTypes["chimera"].push_back(outputFileName);
                        
-                               //align your part
-                               driverMPI(startIndex, numSeqsPerProcessor, inMPI, outMPI, MPIPos);
-                               
-                               if (m->control_pressed) {  MPI_File_close(&inMPI);  MPI_File_close(&outMPI);  remove(outputFileName.c_str());  delete chimera; return 0;  }
-                               
-                               //wait on chidren
-                               for(int i = 1; i < processors; i++) { 
-                                       char buf[4];
-                                       MPI_Recv(buf, 4, MPI_CHAR, i, tag, MPI_COMM_WORLD, &status); 
-                               }
-                       }else{ //you are a child process
-                               MPI_Bcast(&numSeqs, 1, MPI_INT, 0, MPI_COMM_WORLD); //get numSeqs
-                               MPIPos.resize(numSeqs+1);
-                               MPI_Bcast(&MPIPos[0], (numSeqs+1), MPI_LONG, 0, MPI_COMM_WORLD); //get file positions
-                               
-                               //figure out how many sequences you have to align
-                               numSeqsPerProcessor = numSeqs / processors;
-                               if(pid == (processors - 1)){    numSeqsPerProcessor = numSeqs - pid * numSeqsPerProcessor;      }
-                               int startIndex =  pid * numSeqsPerProcessor;
-                               
-                               //align your part
-                               driverMPI(startIndex, numSeqsPerProcessor, inMPI, outMPI, MPIPos);
-                               
-                               if (m->control_pressed) {  MPI_File_close(&inMPI);  MPI_File_close(&outMPI);   delete chimera; return 0;  }
-                               
-                               //tell parent you are done.
-                               char buf[4];
-                               strcpy(buf, "done"); 
-                               MPI_Send(buf, 4, MPI_CHAR, 0, tag, MPI_COMM_WORLD);
-                       }
-                       
-                       //close files 
-                       MPI_File_close(&inMPI);
-                       MPI_File_close(&outMPI);
-       #else
+               #ifdef USE_MPI
                
-               //break up file
-               #if defined (__APPLE__) || (__MACH__) || (linux) || (__linux)
-                       if(processors == 1){
-                               ifstream inFASTA;
-                               openInputFile(fastafile, inFASTA);
-                               numSeqs=count(istreambuf_iterator<char>(inFASTA),istreambuf_iterator<char>(), '>');
-                               inFASTA.close();
+                               int pid, numSeqsPerProcessor; 
+                               int tag = 2001;
+                               vector<unsigned long long> MPIPos;
                                
-                               lines.push_back(new linePair(0, numSeqs));
-                               
-                               driver(lines[0], outputFileName, fastafile);
+                               MPI_Status status; 
+                               MPI_Comm_rank(MPI_COMM_WORLD, &pid); //find out who we are
+                               MPI_Comm_size(MPI_COMM_WORLD, &processors); 
+
+                               MPI_File inMPI;
+                               MPI_File outMPI;
+                                                       
+                               int outMode=MPI_MODE_CREATE|MPI_MODE_WRONLY; 
+                               int inMode=MPI_MODE_RDONLY; 
+                                                       
+                               char outFilename[1024];
+                               strcpy(outFilename, outputFileName.c_str());
+                       
+                               char inFileName[1024];
+                               strcpy(inFileName, fastaFileNames[i].c_str());
+
+                               MPI_File_open(MPI_COMM_WORLD, inFileName, inMode, MPI_INFO_NULL, &inMPI);  //comm, filename, mode, info, filepointer
+                               MPI_File_open(MPI_COMM_WORLD, outFilename, outMode, MPI_INFO_NULL, &outMPI);
                                
-                               if (m->control_pressed) { 
-                                       remove(outputFileName.c_str()); 
-                                       for (int i = 0; i < lines.size(); i++) {  delete lines[i];  }  lines.clear();
-                                       delete chimera;
-                                       return 0;
-                               }
-                                                               
-                       }else{
-                               vector<int> positions;
-                               processIDS.resize(0);
+                               if (m->control_pressed) {  MPI_File_close(&inMPI);  MPI_File_close(&outMPI);  for (int j = 0; j < outputNames.size(); j++) {    m->mothurRemove(outputNames[j]);        } outputTypes.clear(); delete chimera; return 0;  }
                                
-                               ifstream inFASTA;
-                               openInputFile(fastafile, inFASTA);
+                               if (pid == 0) { //you are the root process 
+                                       MPIPos = m->setFilePosFasta(fastaFileNames[i], numSeqs); //fills MPIPos, returns numSeqs
+                                       
+                                       //send file positions to all processes
+                                       for(int j = 1; j < processors; j++) { 
+                                               MPI_Send(&numSeqs, 1, MPI_INT, j, tag, MPI_COMM_WORLD);
+                                               MPI_Send(&MPIPos[0], (numSeqs+1), MPI_LONG, j, tag, MPI_COMM_WORLD);
+                                       }       
+                                       
+                                       //figure out how many sequences you have to align
+                                       numSeqsPerProcessor = numSeqs / processors;
+                                       int startIndex =  pid * numSeqsPerProcessor;
+                                       if(pid == (processors - 1)){    numSeqsPerProcessor = numSeqs - pid * numSeqsPerProcessor;      }
+                                       
                                
-                               string input;
-                               while(!inFASTA.eof()){
-                                       input = getline(inFASTA);
-                                       if (input.length() != 0) {
-                                               if(input[0] == '>'){    long int pos = inFASTA.tellg(); positions.push_back(pos - input.length() - 1);  }
+                                       //align your part
+                                       driverMPI(startIndex, numSeqsPerProcessor, inMPI, outMPI, MPIPos);
+                                       
+                                       if (m->control_pressed) {  MPI_File_close(&inMPI);  MPI_File_close(&outMPI);  for (int j = 0; j < outputNames.size(); j++) {    m->mothurRemove(outputNames[j]);        }   outputTypes.clear(); delete chimera; return 0;  }
+                                       
+                                       //wait on chidren
+                                       for(int j = 1; j < processors; j++) { 
+                                               char buf[5];
+                                               MPI_Recv(buf, 5, MPI_CHAR, j, tag, MPI_COMM_WORLD, &status); 
                                        }
+                               }else{ //you are a child process
+                                       MPI_Recv(&numSeqs, 1, MPI_INT, 0, tag, MPI_COMM_WORLD, &status);
+                                       MPIPos.resize(numSeqs+1);
+                                       MPI_Recv(&MPIPos[0], (numSeqs+1), MPI_LONG, 0, tag, MPI_COMM_WORLD, &status);
+                                       
+                                       //figure out how many sequences you have to align
+                                       numSeqsPerProcessor = numSeqs / processors;
+                                       int startIndex =  pid * numSeqsPerProcessor;
+                                       if(pid == (processors - 1)){    numSeqsPerProcessor = numSeqs - pid * numSeqsPerProcessor;      }
+                                       
+                                       //align your part
+                                       driverMPI(startIndex, numSeqsPerProcessor, inMPI, outMPI, MPIPos);
+                                       
+                                       if (m->control_pressed) {  MPI_File_close(&inMPI);  MPI_File_close(&outMPI);   for (int j = 0; j < outputNames.size(); j++) {   m->mothurRemove(outputNames[j]);        }  outputTypes.clear(); delete chimera; return 0;  }
+                                       
+                                       //tell parent you are done.
+                                       char buf[5];
+                                       strcpy(buf, "done"); 
+                                       MPI_Send(buf, 5, MPI_CHAR, 0, tag, MPI_COMM_WORLD);
                                }
-                               inFASTA.close();
-                               
-                               numSeqs = positions.size();
                                
-                               int numSeqsPerProcessor = numSeqs / processors;
+                               //close files 
+                               MPI_File_close(&inMPI);
+                               MPI_File_close(&outMPI);
+                               MPI_Barrier(MPI_COMM_WORLD); //make everyone wait - just in case
+               #else
+                       
+                       
+                       
+                       //break up file
+                       #if defined (__APPLE__) || (__MACH__) || (linux) || (__linux) || (__linux__) || (__unix__) || (__unix)
+                               vector<unsigned long long> positions = m->divideFile(fastaFileNames[i], processors);
+                       
+                               for (int s = 0; s < (positions.size()-1); s++) {
+                                       lines.push_back(new linePair(positions[s], positions[(s+1)]));
+                               }       
+                       
+                               if(processors == 1){
+                                       numSeqs = driver(lines[0], outputFileName, fastaFileNames[i]);
+                                       
+                                       if (m->control_pressed) { for (int j = 0; j < outputNames.size(); j++) {        m->mothurRemove(outputNames[j]);        } for (int j = 0; j < lines.size(); j++) {  delete lines[j];  } outputTypes.clear();  lines.clear(); delete chimera; return 0; }
+                                                                       
+                               }else{
+                                       processIDS.resize(0);
+                                       
+                                       numSeqs = createProcesses(outputFileName, fastaFileNames[i]); 
                                
-                               for (int i = 0; i < processors; i++) {
-                                       long int startPos = positions[ i * numSeqsPerProcessor ];
-                                       if(i == processors - 1){
-                                               numSeqsPerProcessor = numSeqs - i * numSeqsPerProcessor;
+                                       rename((outputFileName + toString(processIDS[0]) + ".temp").c_str(), outputFileName.c_str());
+                                               
+                                       //append output files
+                                       for(int j=1;j<processors;j++){
+                                               m->appendFiles((outputFileName + toString(processIDS[j]) + ".temp"), outputFileName);
+                                               m->mothurRemove((outputFileName + toString(processIDS[j]) + ".temp"));
                                        }
-                                       lines.push_back(new linePair(startPos, numSeqsPerProcessor));
-                               }
-                               
-                               
-                               createProcesses(outputFileName, fastafile); 
-                       
-                               rename((outputFileName + toString(processIDS[0]) + ".temp").c_str(), outputFileName.c_str());
                                        
-                               //append output files
-                               for(int i=1;i<processors;i++){
-                                       appendFiles((outputFileName + toString(processIDS[i]) + ".temp"), outputFileName);
-                                       remove((outputFileName + toString(processIDS[i]) + ".temp").c_str());
+                                       if (m->control_pressed) { 
+                                               for (int j = 0; j < outputNames.size(); j++) {  m->mothurRemove(outputNames[j]);        } outputTypes.clear();
+                                               for (int j = 0; j < lines.size(); j++) {  delete lines[j];  }  lines.clear();
+                                               delete chimera;
+                                               return 0;
+                                       }
                                }
+
+                       #else
+                               lines.push_back(new linePair(0, 1000));
+                               numSeqs = driver(lines[0], outputFileName, fastaFileNames[i]);
                                
-                               if (m->control_pressed) { 
-                                       remove(outputFileName.c_str()); 
-                                       for (int i = 0; i < lines.size(); i++) {  delete lines[i];  }  lines.clear();
-                                       delete chimera;
-                                       return 0;
-                               }
-                       }
+                               if (m->control_pressed) { for (int j = 0; j < lines.size(); j++) {  delete lines[j];  }  lines.clear(); for (int j = 0; j < outputNames.size(); j++) {  m->mothurRemove(outputNames[j]);        } outputTypes.clear(); delete chimera; return 0; }
+                       #endif
+               #endif          
+                       delete chimera;
+                       for (int j = 0; j < lines.size(); j++) {  delete lines[j];  }  lines.clear();
+                       
+                       m->mothurOutEndLine(); m->mothurOut("This method does not determine if a sequence is chimeric, but allows you to make that determination based on the IS values."); m->mothurOutEndLine(); 
+                       m->mothurOutEndLine(); m->mothurOut("It took " + toString(time(NULL) - start) + " secs to check " + toString(numSeqs) + " sequences."); m->mothurOutEndLine(); m->mothurOutEndLine();
 
-               #else
-                       ifstream inFASTA;
-                       openInputFile(fastafile, inFASTA);
-                       numSeqs=count(istreambuf_iterator<char>(inFASTA),istreambuf_iterator<char>(), '>');
-                       inFASTA.close();
-                       lines.push_back(new linePair(0, numSeqs));
-                       
-                       driver(lines[0], outputFileName, fastafile);
-                       
-                       if (m->control_pressed) { 
-                                       remove(outputFileName.c_str()); 
-                                       for (int i = 0; i < lines.size(); i++) {  delete lines[i];  }  lines.clear();
-                                       delete chimera;
-                                       return 0;
-                       }
-               #endif
-       #endif          
-               delete chimera;
-               for (int i = 0; i < lines.size(); i++) {  delete lines[i];  }  lines.clear();
-               
-               m->mothurOutEndLine(); m->mothurOut("This method does not determine if a sequence is chimeric, but allows you to make that determination based on the IS values."); m->mothurOutEndLine(); 
+               }
                
                m->mothurOutEndLine();
                m->mothurOut("Output File Names: "); m->mothurOutEndLine();
-               m->mothurOut(outputFileName); m->mothurOutEndLine();    
+               for (int i = 0; i < outputNames.size(); i++) {  m->mothurOut(outputNames[i]); m->mothurOutEndLine();    }       
                m->mothurOutEndLine();
-               m->mothurOutEndLine(); m->mothurOut("It took " + toString(time(NULL) - start) + " secs to check " + toString(numSeqs) + " sequences."); m->mothurOutEndLine();
-
+       
                return 0;
                
        }
@@ -333,23 +507,26 @@ int ChimeraCheckCommand::execute(){
 }
 //**********************************************************************************************************************
 
-int ChimeraCheckCommand::driver(linePair* line, string outputFName, string filename){
+int ChimeraCheckCommand::driver(linePair* filePos, string outputFName, string filename){
        try {
                ofstream out;
-               openOutputFile(outputFName, out);
+               m->openOutputFile(outputFName, out);
                
                ofstream out2;
                
                ifstream inFASTA;
-               openInputFile(filename, inFASTA);
+               m->openInputFile(filename, inFASTA);
+
+               inFASTA.seekg(filePos->start);
+
+               bool done = false;
+               int count = 0;
+       
+               while (!done) {
 
-               inFASTA.seekg(line->start);
-               
-               for(int i=0;i<line->numSeqs;i++){
-               
                        if (m->control_pressed) {       return 1;       }
                
-                       Sequence* candidateSeq = new Sequence(inFASTA);  gobble(inFASTA);
+                       Sequence* candidateSeq = new Sequence(inFASTA);  m->gobble(inFASTA);
                                
                        if (candidateSeq->getName() != "") { //incase there is a commented sequence at the end of a file
                                //find chimeras
@@ -362,16 +539,23 @@ int ChimeraCheckCommand::driver(linePair* line, string outputFName, string filen
                        }
                        delete candidateSeq;
                        
+                       #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((i+1) % 100 == 0){   m->mothurOut("Processing sequence: " + toString(i+1)); m->mothurOutEndLine();           }
+                       if((count) % 100 == 0){ m->mothurOutJustToScreen("Processing sequence: " + toString(count) + "\n");             }
                }
                //report progress
-               if((line->numSeqs) % 100 != 0){ m->mothurOut("Processing sequence: " + toString(line->numSeqs)); m->mothurOutEndLine();         }
+               if((count) % 100 != 0){ m->mothurOutJustToScreen("Processing sequence: " + toString(count) + "\n");     }
                
                out.close();
                inFASTA.close();
                                
-               return 0;
+               return count;
        }
        catch(exception& e) {
                m->errorOut(e, "ChimeraCheckCommand", "driver");
@@ -380,7 +564,7 @@ int ChimeraCheckCommand::driver(linePair* line, string outputFName, string filen
 }
 //**********************************************************************************************************************
 #ifdef USE_MPI
-int ChimeraCheckCommand::driverMPI(int start, int num, MPI_File& inMPI, MPI_File& outMPI, vector<long>& MPIPos){
+int ChimeraCheckCommand::driverMPI(int start, int num, MPI_File& inMPI, MPI_File& outMPI, vector<unsigned long long>& MPIPos){
        try {
                MPI_File outAccMPI;
                MPI_Status status; 
@@ -402,7 +586,7 @@ int ChimeraCheckCommand::driverMPI(int start, int num, MPI_File& inMPI, MPI_File
                        istringstream iss (tempBuf,istringstream::in);
                        delete buf4;
 
-                       Sequence* candidateSeq = new Sequence(iss);  gobble(iss);
+                       Sequence* candidateSeq = new Sequence(iss);  m->gobble(iss);
                                
                        if (candidateSeq->getName() != "") { //incase there is a commented sequence at the end of a file
                                //find chimeras
@@ -414,10 +598,10 @@ int ChimeraCheckCommand::driverMPI(int start, int num, MPI_File& inMPI, MPI_File
                        delete candidateSeq;
                        
                        //report progress
-                       if((i+1) % 100 == 0){  cout << "Processing sequence: " << (i+1) << endl;        m->mothurOutJustToLog("Processing sequence: " + toString(i+1) + "\n");          }
+                       if((i+1) % 100 == 0){  cout << "Processing sequence: " << (i+1) << endl;                }
                }
                //report progress
-               if(num % 100 != 0){             cout << "Processing sequence: " << num << endl; m->mothurOutJustToLog("Processing sequence: " + toString(num) + "\n");  }
+               if(num % 100 != 0){             cout << "Processing sequence: " << num << endl;         }
                
                return 0;
        }
@@ -432,9 +616,9 @@ int ChimeraCheckCommand::driverMPI(int start, int num, MPI_File& inMPI, MPI_File
 
 int ChimeraCheckCommand::createProcesses(string outputFileName, string filename) {
        try {
-#if defined (__APPLE__) || (__MACH__) || (linux) || (__linux)
+#if defined (__APPLE__) || (__MACH__) || (linux) || (__linux) || (__linux__) || (__unix__) || (__unix)
                int process = 0;
-               //              processIDS.resize(0);
+               int num = 0;
                
                //loop through and create all the processes you want
                while (process != processors) {
@@ -444,9 +628,21 @@ int ChimeraCheckCommand::createProcesses(string outputFileName, string filename)
                                processIDS.push_back(pid);  //create map from line number to pid so you can append files in correct order later
                                process++;
                        }else if (pid == 0){
-                               driver(lines[process], outputFileName + toString(getpid()) + ".temp", filename);
+                               num = driver(lines[process], outputFileName + toString(getpid()) + ".temp", filename);
+                               
+                               //pass numSeqs to parent
+                               ofstream out;
+                               string tempFile = outputFileName + toString(getpid()) + ".num.temp";
+                               m->openOutputFile(tempFile, out);
+                               out << num << endl;
+                               out.close();
+                               
                                exit(0);
-                       }else { m->mothurOut("unable to spawn the necessary processes."); m->mothurOutEndLine(); 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);
+                       }
                }
                
                //force parent to wait until all the processes are done
@@ -455,7 +651,15 @@ int ChimeraCheckCommand::createProcesses(string outputFileName, string filename)
                        wait(&temp);
                }
                
-               return 0;
+               for (int i = 0; i < processIDS.size(); i++) {
+                       ifstream in;
+                       string tempFile =  outputFileName + toString(processIDS[i]) + ".num.temp";
+                       m->openInputFile(tempFile, in);
+                       if (!in.eof()) { int tempNum = 0; in >> tempNum; num += tempNum; }
+                       in.close(); m->mothurRemove(tempFile);
+               }
+               
+               return num;
 #endif         
        }
        catch(exception& e) {