]> git.donarmstrong.com Git - mothur.git/blobdiff - chimeraslayercommand.cpp
added homova command
[mothur.git] / chimeraslayercommand.cpp
index 2172369e70d38915ab6a3831f0ab53e4a34f759d..a7ed94f67bb42a3805e08eb487923889c3a55af6 100644 (file)
@@ -9,11 +9,12 @@
 
 #include "chimeraslayercommand.h"
 #include "chimeraslayer.h"
+#include "deconvolutecommand.h"
 
 //**********************************************************************************************************************
 vector<string> ChimeraSlayerCommand::getValidParameters(){     
        try {
-               string AlignArray[] =  {"fasta", "processors", "window", "template","numwanted", "ksize", "match","mismatch", 
+               string AlignArray[] =  {"fasta", "processors","trim", "name","window", "include","template","numwanted", "ksize", "match","mismatch", 
                        "divergence", "minsim","mincov","minbs", "minsnp","parents", "iters","outputdir","inputdir", "search","realign" };
                vector<string> myArray (AlignArray, AlignArray+(sizeof(AlignArray)/sizeof(string)));
                return myArray;
@@ -29,6 +30,7 @@ ChimeraSlayerCommand::ChimeraSlayerCommand(){
                vector<string> tempOutNames;
                outputTypes["chimera"] = tempOutNames;
                outputTypes["accnos"] = tempOutNames;
+               outputTypes["fasta"] = tempOutNames;
        }
        catch(exception& e) {
                m->errorOut(e, "ChimeraSlayerCommand", "ChimeraSlayerCommand");
@@ -68,7 +70,7 @@ ChimeraSlayerCommand::ChimeraSlayerCommand(string option)  {
                
                else {
                        //valid paramters for this command
-                       string Array[] =  {"fasta", "processors", "window", "template","numwanted", "ksize", "match","mismatch", 
+                       string Array[] =  {"fasta", "processors","name", "include","trim", "window", "template","numwanted", "ksize", "match","mismatch", 
                        "divergence", "minsim","mincov","minbs", "minsnp","parents", "iters","outputdir","inputdir", "search","realign" };
                        vector<string> myArray (Array, Array+(sizeof(Array)/sizeof(string)));
                        
@@ -86,25 +88,15 @@ ChimeraSlayerCommand::ChimeraSlayerCommand(string option)  {
                        vector<string> tempOutNames;
                        outputTypes["chimera"] = tempOutNames;
                        outputTypes["accnos"] = tempOutNames;
+                       outputTypes["fasta"] = 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("template");
-                               //user has given a template file
-                               if(it != parameters.end()){ 
-                                       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;         }
-                               }
-                       }
-
-                       
+                                               
                        //check for required parameters
                        fastafile = validParameter.validFile(parameters, "fasta", false);
-                       if (fastafile == "not found") { fastafile = ""; m->mothurOut("fasta is a required parameter for the chimera.slayer command."); m->mothurOutEndLine(); abort = true;  }
+                       if (fastafile == "not found") { fastafile = ""; m->mothurOut("[ERROR]: fasta is a required parameter for the chimera.slayer command."); m->mothurOutEndLine(); abort = true;  }
                        else { 
                                m->splitAtDash(fastafile, fastaFileNames);
                                
@@ -126,7 +118,9 @@ ChimeraSlayerCommand::ChimeraSlayerCommand(string option)  {
                                                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();
-                                                       ableToOpen = m->openInputFile(tryPath, in, "noerror");
+                                                       ifstream in2;
+                                                       ableToOpen = m->openInputFile(tryPath, in2, "noerror");
+                                                       in2.close();
                                                        fastaFileNames[i] = tryPath;
                                                }
                                        }
@@ -135,7 +129,9 @@ ChimeraSlayerCommand::ChimeraSlayerCommand(string option)  {
                                                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();
-                                                       ableToOpen = m->openInputFile(tryPath, in, "noerror");
+                                                       ifstream in2;
+                                                       ableToOpen = m->openInputFile(tryPath, in2, "noerror");
+                                                       in2.close();
                                                        fastaFileNames[i] = tryPath;
                                                }
                                        }
@@ -151,19 +147,95 @@ ChimeraSlayerCommand::ChimeraSlayerCommand(string option)  {
                                }
                                
                                //make sure there is at least one valid file left
-                               if (fastaFileNames.size() == 0) { m->mothurOut("no valid files."); m->mothurOutEndLine(); abort = true; }
+                               if (fastaFileNames.size() == 0) { m->mothurOut("[ERROR]: no valid files."); m->mothurOutEndLine(); abort = true; }
                        }
                        
+                       
+                       //check for required parameters
+                       bool hasName = true;
+                       namefile = validParameter.validFile(parameters, "name", false);
+                       if (namefile == "not found") { namefile = "";  hasName = false; }
+                       else { 
+                               m->splitAtDash(namefile, nameFileNames);
+                               
+                               //go through files and make sure they are good, if not, then disregard them
+                               for (int i = 0; i < nameFileNames.size(); i++) {
+                                       if (inputDir != "") {
+                                               string path = m->hasPath(nameFileNames[i]);
+                                               //if the user has not given a path then, add inputdir. else leave path alone.
+                                               if (path == "") {       nameFileNames[i] = inputDir + nameFileNames[i];         }
+                                       }
+                                       
+                                       int ableToOpen;
+                                       ifstream in;
+                                       
+                                       ableToOpen = m->openInputFile(nameFileNames[i], in, "noerror");
+                                       
+                                       //if you can't open it, try default location
+                                       if (ableToOpen == 1) {
+                                               if (m->getDefaultPath() != "") { //default path is set
+                                                       string tryPath = m->getDefaultPath() + m->getSimpleName(nameFileNames[i]);
+                                                       m->mothurOut("Unable to open " + nameFileNames[i] + ". Trying default " + tryPath); m->mothurOutEndLine();
+                                                       ifstream in2;
+                                                       ableToOpen = m->openInputFile(tryPath, in2, "noerror");
+                                                       in2.close();
+                                                       nameFileNames[i] = tryPath;
+                                               }
+                                       }
+                                       
+                                       if (ableToOpen == 1) {
+                                               if (m->getOutputDir() != "") { //default path is set
+                                                       string tryPath = m->getOutputDir() + m->getSimpleName(nameFileNames[i]);
+                                                       m->mothurOut("Unable to open " + nameFileNames[i] + ". Trying output directory " + tryPath); m->mothurOutEndLine();
+                                                       ifstream in2;
+                                                       ableToOpen = m->openInputFile(tryPath, in2, "noerror");
+                                                       in2.close();
+                                                       nameFileNames[i] = tryPath;
+                                               }
+                                       }
+                                       
+                                       in.close();
+                                       
+                                       if (ableToOpen == 1) { 
+                                               m->mothurOut("Unable to open " + nameFileNames[i] + ". It will be disregarded."); m->mothurOutEndLine(); 
+                                               //erase from file list
+                                               nameFileNames.erase(nameFileNames.begin()+i);
+                                               i--;
+                                       }
+                               }
+                               
+                               //make sure there is at least one valid file left
+                               if (nameFileNames.size() == 0) { m->mothurOut("[ERROR]: no valid name files."); m->mothurOutEndLine(); abort = true; }
+                       }
+                       
+                       if (hasName && (nameFileNames.size() != fastaFileNames.size())) { m->mothurOut("[ERROR]: The number of namefiles does not match the number of fastafiles, please correct."); m->mothurOutEndLine(); abort=true; }
+                       
                        //if 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 = ""; }
-
-                       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.slayer command."); m->mothurOutEndLine(); abort = true;  }   
-                                               
+                       
+                       
+                       string path;
+                       it = parameters.find("template");
+                       //user has given a template file
+                       if(it != parameters.end()){ 
+                               if (it->second == "self") { templatefile = "self"; }
+                               else {
+                                       path = m->hasPath(it->second);
+                                       //if the user has not given a path then, add inputdir. else leave path alone.
+                                       if (path == "") {       parameters["template"] = inputDir + it->second;         }
+                                       
+                                       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.slayer command."); m->mothurOutEndLine(); abort = true;  }   
+                               }
+                       }
+                       
                        string temp = validParameter.validFile(parameters, "processors", false);                if (temp == "not found") { temp = "1"; }
                        convert(temp, processors);
                        
+                       includeAbunds = validParameter.validFile(parameters, "include", false);         if (includeAbunds == "not found") { includeAbunds = "greater"; }
+                       if ((includeAbunds != "greater") && (includeAbunds != "greaterequal") && (includeAbunds != "all")) { includeAbunds = "greater"; m->mothurOut("Invalid include setting. options are greater, greaterequal or all. using greater."); m->mothurOutEndLine(); }
+                       
                        temp = validParameter.validFile(parameters, "ksize", false);                    if (temp == "not found") { temp = "7"; }
                        convert(temp, ksize);
                                                
@@ -197,6 +269,9 @@ ChimeraSlayerCommand::ChimeraSlayerCommand(string option)  {
                        temp = validParameter.validFile(parameters, "realign", false);                  if (temp == "not found") { temp = "f"; }
                        realign = m->isTrue(temp); 
                        
+                       temp = validParameter.validFile(parameters, "trim", false);                             if (temp == "not found") { temp = "f"; }
+                       trim = m->isTrue(temp); 
+                       
                        search = validParameter.validFile(parameters, "search", false);                 if (search == "not found") { search = "distance"; }
                        
                        temp = validParameter.validFile(parameters, "iters", false);                    if (temp == "not found") { temp = "100"; }              
@@ -223,14 +298,16 @@ void ChimeraSlayerCommand::help(){
        
                m->mothurOut("The chimera.slayer command reads a fastafile and templatefile and outputs potentially chimeric sequences.\n");
                m->mothurOut("This command was modeled after the chimeraSlayer written by the Broad Institute.\n");
-               m->mothurOut("The chimera.slayer command parameters are fasta, template, processors, ksize, window, match, mismatch, divergence. minsim, mincov, minbs, minsnp, parents, search, iters, increment and numwanted.\n"); //realign,
+               m->mothurOut("The chimera.slayer command parameters are fasta, name, template, processors, trim, ksize, window, match, mismatch, divergence. minsim, mincov, minbs, minsnp, parents, search, iters, increment and numwanted.\n"); //realign,
                m->mothurOut("The fasta parameter allows you to enter the fasta file containing your potentially chimeric sequences, and is required. \n");
+               m->mothurOut("The name parameter allows you to provide a name file, if you are using template=self. \n");
                m->mothurOut("You may enter multiple fasta files by separating their names with dashes. ie. fasta=abrecovery.fasta-amazon.fasta \n");
-               m->mothurOut("The template parameter allows you to enter a template file containing known non-chimeric sequences, and is required. \n");
+               m->mothurOut("The template parameter allows you to enter a template file containing known non-chimeric sequences, and is required. You may also set template=self, in this case the abundant sequences will be used as potential parents. \n");
                m->mothurOut("The processors parameter allows you to specify how many processors you would like to use.  The default is 1. \n");
                #ifdef USE_MPI
                m->mothurOut("When using MPI, the processors parameter is set to the number of MPI processes running. \n");
                #endif
+               m->mothurOut("The trim parameter allows you to output a new fasta file containing your sequences with the chimeric ones trimmed to include only their longest piece, default=F. \n");
                m->mothurOut("The window parameter allows you to specify the window size for searching for chimeras, default=50. \n");
                m->mothurOut("The increment parameter allows you to specify how far you move each window while finding chimeric sequences, default=5.\n");
                m->mothurOut("The numwanted parameter allows you to specify how many sequences you would each query sequence compared with, default=15.\n");
@@ -274,11 +351,40 @@ int ChimeraSlayerCommand::execute(){
                
                        int start = time(NULL); 
                        
-                       chimera = new ChimeraSlayer(fastaFileNames[s], templatefile, search, ksize, match, mismatch, window, divR, minSimilarity, minCoverage, minBS, minSNP, parents, iters, increment, numwanted, realign);   
+                       if (templatefile != "self") { //you want to run slayer with a refernce template
+                               chimera = new ChimeraSlayer(fastaFileNames[s], templatefile, trim, search, ksize, match, mismatch, window, divR, minSimilarity, minCoverage, minBS, minSNP, parents, iters, increment, numwanted, realign);     
+                       }else {
+                               if (nameFileNames.size() != 0) { //you provided a namefile and we don't need to create one
+                                       chimera = new ChimeraSlayer(fastaFileNames[s], templatefile, trim, nameFileNames[s], search, includeAbunds, ksize, match, mismatch, window, divR, minSimilarity, minCoverage, minBS, minSNP, parents, iters, increment, numwanted, realign);    
+                               }else {
+                                       
+                                       m->mothurOutEndLine(); m->mothurOut("No namesfile given, running unique.seqs command to generate one."); m->mothurOutEndLine(); m->mothurOutEndLine();
+                                       
+                                       //use unique.seqs to create new name and fastafile
+                                       string inputString = "fasta=" + fastaFileNames[s];
+                                       m->mothurOut("/******************************************/"); m->mothurOutEndLine(); 
+                                       m->mothurOut("Running command: unique.seqs(" + inputString + ")"); m->mothurOutEndLine(); 
+                                                                
+                                       Command* uniqueCommand = new DeconvoluteCommand(inputString);
+                                       uniqueCommand->execute();
+                                       
+                                       map<string, vector<string> > filenames = uniqueCommand->getOutputFiles();
+                                       
+                                       delete uniqueCommand;
+                                       
+                                       m->mothurOut("/******************************************/"); m->mothurOutEndLine(); 
+                                       
+                                       string nameFile = filenames["name"][0];
+                                       fastaFileNames[s] = filenames["fasta"][0];
                        
+                                       chimera = new ChimeraSlayer(fastaFileNames[s], templatefile, trim, nameFile, search, includeAbunds, ksize, match, mismatch, window, divR, minSimilarity, minCoverage, minBS, minSNP, parents, iters, increment, numwanted, realign);    
+                               }
+                       }
+                               
                        if (outputDir == "") { outputDir = m->hasPath(fastaFileNames[s]);  }//if user entered a file with a path then preserve it                               
-                       string outputFileName = outputDir + m->getRootName(m->getSimpleName(fastaFileNames[s])) + "slayer.chimeras";
+                       string outputFileName = outputDir + m->getRootName(m->getSimpleName(fastaFileNames[s])) + "slayer.chimera";
                        string accnosFileName = outputDir + m->getRootName(m->getSimpleName(fastaFileNames[s]))  + "slayer.accnos";
+                       string trimFastaFileName = outputDir + m->getRootName(m->getSimpleName(fastaFileNames[s]))  + "slayer.fasta";
                        
                        if (m->control_pressed) { delete chimera; for (int j = 0; j < outputNames.size(); j++) {        remove(outputNames[j].c_str()); }  return 0;    }
                        
@@ -290,7 +396,7 @@ int ChimeraSlayerCommand::execute(){
                        templateSeqsLength = chimera->getLength();
                        
                #ifdef USE_MPI  
-                       int pid, end, numSeqsPerProcessor; 
+                       int pid, numSeqsPerProcessor; 
                                int tag = 2001;
                                vector<unsigned long int> MPIPos;
                                
@@ -301,6 +407,7 @@ int ChimeraSlayerCommand::execute(){
                                MPI_File inMPI;
                                MPI_File outMPI;
                                MPI_File outMPIAccnos;
+                               MPI_File outMPIFasta;
                                
                                int outMode=MPI_MODE_CREATE|MPI_MODE_WRONLY; 
                                int inMode=MPI_MODE_RDONLY; 
@@ -310,6 +417,9 @@ int ChimeraSlayerCommand::execute(){
                                
                                char outAccnosFilename[1024];
                                strcpy(outAccnosFilename, accnosFileName.c_str());
+                       
+                               char outFastaFilename[1024];
+                               strcpy(outFastaFilename, trimFastaFileName.c_str());
                                
                                char inFileName[1024];
                                strcpy(inFileName, fastaFileNames[s].c_str());
@@ -317,8 +427,9 @@ int ChimeraSlayerCommand::execute(){
                                MPI_File_open(MPI_COMM_WORLD, inFileName, inMode, MPI_INFO_NULL, &inMPI);  //comm, filename, mode, info, filepointer
                                MPI_File_open(MPI_COMM_WORLD, outFilename, outMode, MPI_INFO_NULL, &outMPI);
                                MPI_File_open(MPI_COMM_WORLD, outAccnosFilename, outMode, MPI_INFO_NULL, &outMPIAccnos);
+                               if (trim) { MPI_File_open(MPI_COMM_WORLD, outFastaFilename, outMode, MPI_INFO_NULL, &outMPIFasta); }
 
-                               if (m->control_pressed) { outputTypes.clear();  MPI_File_close(&inMPI);  MPI_File_close(&outMPI);   MPI_File_close(&outMPIAccnos); for (int j = 0; j < outputNames.size(); j++) {       remove(outputNames[j].c_str()); }   delete chimera; return 0;  }
+                       if (m->control_pressed) { outputTypes.clear();  MPI_File_close(&inMPI);  MPI_File_close(&outMPI); if (trim) {  MPI_File_close(&outMPIFasta);  } MPI_File_close(&outMPIAccnos); for (int j = 0; j < outputNames.size(); j++) {   remove(outputNames[j].c_str()); }   delete chimera; return 0;  }
                        
                                if (pid == 0) { //you are the root process 
                                        m->mothurOutEndLine();
@@ -349,9 +460,9 @@ int ChimeraSlayerCommand::execute(){
                                        if(pid == (processors - 1)){    numSeqsPerProcessor = numSeqs - pid * numSeqsPerProcessor;      }
                                
                                        //do your part
-                                       driverMPI(startIndex, numSeqsPerProcessor, inMPI, outMPI, outMPIAccnos, MPIPos);
+                                       driverMPI(startIndex, numSeqsPerProcessor, inMPI, outMPI, outMPIAccnos, outMPIFasta, MPIPos);
                                        
-                                       if (m->control_pressed) { outputTypes.clear();  MPI_File_close(&inMPI);  MPI_File_close(&outMPI);   MPI_File_close(&outMPIAccnos);  for (int j = 0; j < outputNames.size(); j++) {      remove(outputNames[j].c_str()); }  remove(outputFileName.c_str());  remove(accnosFileName.c_str());  delete chimera; return 0;  }
+                                       if (m->control_pressed) { outputTypes.clear();  MPI_File_close(&inMPI);  MPI_File_close(&outMPI); if (trim) { MPI_File_close(&outMPIFasta); }  MPI_File_close(&outMPIAccnos);  for (int j = 0; j < outputNames.size(); j++) {   remove(outputNames[j].c_str()); }  remove(outputFileName.c_str());  remove(accnosFileName.c_str());  delete chimera; return 0;  }
 
                                }else{ //you are a child process
                                        MPI_Recv(&numSeqs, 1, MPI_INT, 0, tag, MPI_COMM_WORLD, &status);
@@ -364,15 +475,16 @@ int ChimeraSlayerCommand::execute(){
                                        if(pid == (processors - 1)){    numSeqsPerProcessor = numSeqs - pid * numSeqsPerProcessor;      }
                                        
                                        //do your part
-                                       driverMPI(startIndex, numSeqsPerProcessor, inMPI, outMPI, outMPIAccnos, MPIPos);
+                                       driverMPI(startIndex, numSeqsPerProcessor, inMPI, outMPI, outMPIAccnos, outMPIFasta, MPIPos);
                                        
-                                       if (m->control_pressed) { outputTypes.clear();  MPI_File_close(&inMPI);  MPI_File_close(&outMPI);   MPI_File_close(&outMPIAccnos);  for (int j = 0; j < outputNames.size(); j++) {      remove(outputNames[j].c_str()); }  delete chimera; return 0;  }
+                                       if (m->control_pressed) { outputTypes.clear();  MPI_File_close(&inMPI);  MPI_File_close(&outMPI); if (trim) { MPI_File_close(&outMPIFasta); }  MPI_File_close(&outMPIAccnos);  for (int j = 0; j < outputNames.size(); j++) {   remove(outputNames[j].c_str()); }  delete chimera; return 0;  }
                                }
                                
                                //close files 
                                MPI_File_close(&inMPI);
                                MPI_File_close(&outMPI);
-                               MPI_File_close(&outMPIAccnos);
+                               MPI_File_close(&outMPIAccnos); 
+                               if (trim) { MPI_File_close(&outMPIFasta); }
                                MPI_Barrier(MPI_COMM_WORLD); //make everyone wait - just in case
                                
                #else
@@ -392,17 +504,18 @@ int ChimeraSlayerCommand::execute(){
                        //break up file
                        #if defined (__APPLE__) || (__MACH__) || (linux) || (__linux)
                                if(processors == 1){
-                                       numSeqs = driver(lines[0], outputFileName, fastaFileNames[s], accnosFileName);
+                                       numSeqs = driver(lines[0], outputFileName, fastaFileNames[s], accnosFileName, trimFastaFileName);
                                        
-                                       if (m->control_pressed) { outputTypes.clear(); remove(outputFileName.c_str()); remove(tempHeader.c_str()); remove(accnosFileName.c_str()); for (int j = 0; j < outputNames.size(); j++) {       remove(outputNames[j].c_str()); } for (int i = 0; i < lines.size(); i++) {  delete lines[i];  }  lines.clear(); delete chimera; return 0; }
+                                       if (m->control_pressed) { outputTypes.clear(); if (trim) { remove(trimFastaFileName.c_str()); } remove(outputFileName.c_str()); remove(tempHeader.c_str()); remove(accnosFileName.c_str()); for (int j = 0; j < outputNames.size(); j++) {      remove(outputNames[j].c_str()); } for (int i = 0; i < lines.size(); i++) {  delete lines[i];  }  lines.clear(); delete chimera; return 0; }
                                        
                                }else{
                                        processIDS.resize(0);
                                        
-                                       numSeqs = createProcesses(outputFileName, fastaFileNames[s], accnosFileName); 
+                                       numSeqs = createProcesses(outputFileName, fastaFileNames[s], accnosFileName, trimFastaFileName); 
                                
                                        rename((outputFileName + toString(processIDS[0]) + ".temp").c_str(), outputFileName.c_str());
                                        rename((accnosFileName + toString(processIDS[0]) + ".temp").c_str(), accnosFileName.c_str());
+                                       if (trim) {  rename((trimFastaFileName + toString(processIDS[0]) + ".temp").c_str(), trimFastaFileName.c_str()); }
                                                
                                        //append output files
                                        for(int i=1;i<processors;i++){
@@ -416,13 +529,20 @@ int ChimeraSlayerCommand::execute(){
                                                remove((accnosFileName + toString(processIDS[i]) + ".temp").c_str());
                                        }
                                        
-                                       if (m->control_pressed) { outputTypes.clear(); remove(outputFileName.c_str()); remove(accnosFileName.c_str()); for (int j = 0; j < outputNames.size(); j++) {   remove(outputNames[j].c_str()); } for (int i = 0; i < lines.size(); i++) {  delete lines[i];  }  lines.clear(); delete chimera; return 0; }
+                                       if (trim) {
+                                               for(int i=1;i<processors;i++){
+                                                       m->appendFiles((trimFastaFileName + toString(processIDS[i]) + ".temp"), trimFastaFileName);
+                                                       remove((trimFastaFileName + toString(processIDS[i]) + ".temp").c_str());
+                                               }
+                                       }
+                                       
+                                       if (m->control_pressed) { outputTypes.clear(); if (trim) { remove(trimFastaFileName.c_str()); } remove(outputFileName.c_str()); remove(accnosFileName.c_str()); for (int j = 0; j < outputNames.size(); j++) {  remove(outputNames[j].c_str()); } for (int i = 0; i < lines.size(); i++) {  delete lines[i];  }  lines.clear(); delete chimera; return 0; }
                                }
 
                        #else
-                               numSeqs = driver(lines[0], outputFileName, fastaFileNames[s], accnosFileName);
+                               numSeqs = driver(lines[0], outputFileName, fastaFileNames[s], accnosFileName, trimFastaFileName);
                                
-                               if (m->control_pressed) { outputTypes.clear(); remove(outputFileName.c_str()); remove(tempHeader.c_str()); remove(accnosFileName.c_str()); for (int j = 0; j < outputNames.size(); j++) {       remove(outputNames[j].c_str()); } for (int i = 0; i < lines.size(); i++) {  delete lines[i];  }  lines.clear(); delete chimera; return 0; }
+                               if (m->control_pressed) { outputTypes.clear(); if (trim) { remove(trimFastaFileName.c_str()); } remove(outputFileName.c_str()); remove(tempHeader.c_str()); remove(accnosFileName.c_str()); for (int j = 0; j < outputNames.size(); j++) {      remove(outputNames[j].c_str()); } for (int i = 0; i < lines.size(); i++) {  delete lines[i];  }  lines.clear(); delete chimera; return 0; }
                                
                        #endif
                        
@@ -439,6 +559,7 @@ int ChimeraSlayerCommand::execute(){
                        
                        outputNames.push_back(outputFileName); outputTypes["chimera"].push_back(outputFileName);
                        outputNames.push_back(accnosFileName); outputTypes["accnos"].push_back(accnosFileName);
+                       if (trim) {  outputNames.push_back(trimFastaFileName); outputTypes["fasta"].push_back(trimFastaFileName); }
                        
                        m->mothurOutEndLine(); m->mothurOut("It took " + toString(time(NULL) - start) + " secs to check " + toString(numSeqs) + " sequences."); m->mothurOutEndLine();
                }
@@ -458,7 +579,7 @@ int ChimeraSlayerCommand::execute(){
 }
 //**********************************************************************************************************************
 
-int ChimeraSlayerCommand::driver(linePair* filePos, string outputFName, string filename, string accnos){
+int ChimeraSlayerCommand::driver(linePair* filePos, string outputFName, string filename, string accnos, string fasta){
        try {
                ofstream out;
                m->openOutputFile(outputFName, out);
@@ -466,6 +587,9 @@ int ChimeraSlayerCommand::driver(linePair* filePos, string outputFName, string f
                ofstream out2;
                m->openOutputFile(accnos, out2);
                
+               ofstream out3;
+               if (trim) {  m->openOutputFile(fasta, out3); }
+               
                ifstream inFASTA;
                m->openInputFile(filename, inFASTA);
 
@@ -476,7 +600,7 @@ int ChimeraSlayerCommand::driver(linePair* filePos, string outputFName, string f
        
                while (!done) {
                
-                       if (m->control_pressed) {       return 1;       }
+                       if (m->control_pressed) {       out.close(); out2.close(); if (trim) { out3.close(); } inFASTA.close(); return 1;       }
                
                        Sequence* candidateSeq = new Sequence(inFASTA);  m->gobble(inFASTA);
                                
@@ -491,7 +615,9 @@ int ChimeraSlayerCommand::driver(linePair* filePos, string outputFName, string f
                                        if (m->control_pressed) {       delete candidateSeq; return 1;  }
                
                                        //print results
-                                       chimera->print(out, out2);
+                                       Sequence* trimmed = chimera->print(out, out2);
+                                       
+                                       if (trim) { trimmed->printSequence(out3); delete trimmed; }
                                }
                        count++;
                        }
@@ -512,6 +638,7 @@ int ChimeraSlayerCommand::driver(linePair* filePos, string outputFName, string f
                
                out.close();
                out2.close();
+               if (trim) { out3.close(); }
                inFASTA.close();
                                
                return count;
@@ -523,7 +650,7 @@ int ChimeraSlayerCommand::driver(linePair* filePos, string outputFName, string f
 }
 //**********************************************************************************************************************
 #ifdef USE_MPI
-int ChimeraSlayerCommand::driverMPI(int start, int num, MPI_File& inMPI, MPI_File& outMPI, MPI_File& outAccMPI, vector<unsigned long int>& MPIPos){
+int ChimeraSlayerCommand::driverMPI(int start, int num, MPI_File& inMPI, MPI_File& outMPI, MPI_File& outAccMPI, MPI_File& outFastaMPI, vector<unsigned long int>& MPIPos){
        try {                           
                MPI_Status status; 
                int pid;
@@ -557,9 +684,23 @@ int ChimeraSlayerCommand::driverMPI(int start, int num, MPI_File& inMPI, MPI_Fil
                                        chimera->getChimeras(candidateSeq);
                        
                                        if (m->control_pressed) {       delete candidateSeq; return 1;  }
-               //cout << "about to print" << endl;
+               
                                        //print results
-                                       bool isChimeric = chimera->print(outMPI, outAccMPI);
+                                       Sequence* trimmed = chimera->print(outMPI, outAccMPI);
+                                       
+                                       if (trim) {  
+                                               string outputString = ">" + trimmed->getName() + "\n" + trimmed->getAligned() + "\n";
+                                               delete trimmed;
+                                               
+                                               //write to accnos file
+                                               int length = outputString.length();
+                                               char* buf2 = new char[length];
+                                               memcpy(buf2, outputString.c_str(), length);
+                                               
+                                               MPI_File_write_shared(outFastaMPI, buf2, length, MPI_CHAR, &status);
+                                               delete buf2;
+                                       }
+                                               
                                }
                        }
                        delete candidateSeq;
@@ -582,7 +723,7 @@ int ChimeraSlayerCommand::driverMPI(int start, int num, MPI_File& inMPI, MPI_Fil
 
 /**************************************************************************************************/
 
-int ChimeraSlayerCommand::createProcesses(string outputFileName, string filename, string accnos) {
+int ChimeraSlayerCommand::createProcesses(string outputFileName, string filename, string accnos, string fasta) {
        try {
 #if defined (__APPLE__) || (__MACH__) || (linux) || (__linux)
                int process = 0;
@@ -596,7 +737,7 @@ int ChimeraSlayerCommand::createProcesses(string outputFileName, string filename
                                processIDS.push_back(pid);  //create map from line number to pid so you can append files in correct order later
                                process++;
                        }else if (pid == 0){
-                               num = driver(lines[process], outputFileName + toString(getpid()) + ".temp", filename, accnos + toString(getpid()) + ".temp");
+                               num = driver(lines[process], outputFileName + toString(getpid()) + ".temp", filename, accnos + toString(getpid()) + ".temp", fasta + toString(getpid()) + ".temp");
                                
                                //pass numSeqs to parent
                                ofstream out;
@@ -606,7 +747,11 @@ int ChimeraSlayerCommand::createProcesses(string outputFileName, string filename
                                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