]> git.donarmstrong.com Git - mothur.git/blobdiff - chimeraslayercommand.cpp
added make.fastq command
[mothur.git] / chimeraslayercommand.cpp
index 35f3b988f86ec2e868d8eb5a825efc853e1662e7..0e07ffcdf13ea64e963477df3da5ebd8b26a38e6 100644 (file)
@@ -9,20 +9,69 @@
 
 #include "chimeraslayercommand.h"
 #include "chimeraslayer.h"
+#include "deconvolutecommand.h"
 
-
+//**********************************************************************************************************************
+vector<string> ChimeraSlayerCommand::getValidParameters(){     
+       try {
+               string AlignArray[] =  {"fasta", "processors","trim","trimera", "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;
+       }
+       catch(exception& e) {
+               m->errorOut(e, "ChimeraSlayerCommand", "getValidParameters");
+               exit(1);
+       }
+}
+//**********************************************************************************************************************
+ChimeraSlayerCommand::ChimeraSlayerCommand(){  
+       try {
+               abort = true; calledHelp = true;
+               vector<string> tempOutNames;
+               outputTypes["chimera"] = tempOutNames;
+               outputTypes["accnos"] = tempOutNames;
+               outputTypes["fasta"] = tempOutNames;
+       }
+       catch(exception& e) {
+               m->errorOut(e, "ChimeraSlayerCommand", "ChimeraSlayerCommand");
+               exit(1);
+       }
+}
+//**********************************************************************************************************************
+vector<string> ChimeraSlayerCommand::getRequiredParameters(){  
+       try {
+               string AlignArray[] =  {"template","fasta"};
+               vector<string> myArray (AlignArray, AlignArray+(sizeof(AlignArray)/sizeof(string)));
+               return myArray;
+       }
+       catch(exception& e) {
+               m->errorOut(e, "ChimeraSlayerCommand", "getRequiredParameters");
+               exit(1);
+       }
+}
+//**********************************************************************************************************************
+vector<string> ChimeraSlayerCommand::getRequiredFiles(){       
+       try {
+               vector<string> myArray;
+               return myArray;
+       }
+       catch(exception& e) {
+               m->errorOut(e, "ChimeraSlayerCommand", "getRequiredFiles");
+               exit(1);
+       }
+}
 //***************************************************************************************************************
-
 ChimeraSlayerCommand::ChimeraSlayerCommand(string option)  {
        try {
-               abort = false;
+               abort = false; calledHelp = false;   
                
                //allow user to run help
-               if(option == "help") { help(); abort = true; }
+               if(option == "help") { help(); abort = true; calledHelp = true; }
                
                else {
                        //valid paramters for this command
-                       string Array[] =  {"fasta", "processors", "window", "template","numwanted", "ksize", "match","mismatch", 
+                       string Array[] =  {"fasta", "processors","name", "include","trim", "trimera","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)));
                        
@@ -37,31 +86,25 @@ ChimeraSlayerCommand::ChimeraSlayerCommand(string option)  {
                                if (validParameter.isValidParameter(it->first, myArray, it->second) != true) {  abort = true;  }
                        }
                        
+                       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 = 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 { 
-                               splitAtDash(fastafile, fastaFileNames);
+                               m->splitAtDash(fastafile, fastaFileNames);
                                
                                //go through files and make sure they are good, if not, then disregard them
                                for (int i = 0; i < fastaFileNames.size(); i++) {
                                        if (inputDir != "") {
-                                               string path = hasPath(fastaFileNames[i]);
+                                               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];               }
                                        }
@@ -69,17 +112,31 @@ ChimeraSlayerCommand::ChimeraSlayerCommand(string option)  {
                                        int ableToOpen;
                                        ifstream in;
                                        
-                                       ableToOpen = openInputFile(fastaFileNames[i], in, "noerror");
+                                       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() + getSimpleName(fastaFileNames[i]);
+                                                       string tryPath = m->getDefaultPath() + m->getSimpleName(fastaFileNames[i]);
                                                        m->mothurOut("Unable to open " + fastaFileNames[i] + ". Trying default " + tryPath); m->mothurOutEndLine();
-                                                       ableToOpen = openInputFile(tryPath, in, "noerror");
+                                                       ifstream in2;
+                                                       ableToOpen = m->openInputFile(tryPath, in2, "noerror");
+                                                       in2.close();
+                                                       fastaFileNames[i] = tryPath;
+                                               }
+                                       }
+                                       
+                                       if (ableToOpen == 1) {
+                                               if (m->getOutputDir() != "") { //default path is set
+                                                       string tryPath = m->getOutputDir() + m->getSimpleName(fastaFileNames[i]);
+                                                       m->mothurOut("Unable to open " + fastaFileNames[i] + ". Trying output directory " + tryPath); m->mothurOutEndLine();
+                                                       ifstream in2;
+                                                       ableToOpen = m->openInputFile(tryPath, in2, "noerror");
+                                                       in2.close();
                                                        fastaFileNames[i] = tryPath;
                                                }
                                        }
+                                       
                                        in.close();
                                        
                                        if (ableToOpen == 1) { 
@@ -91,22 +148,95 @@ 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 = ""; 
-                               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 = ""; }
+                       
+                       
+                       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;  }   
+                               }
                        }
-
-                       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);
                                                
@@ -138,7 +268,13 @@ ChimeraSlayerCommand::ChimeraSlayerCommand(string option)  {
                        convert(temp, parents); 
                        
                        temp = validParameter.validFile(parameters, "realign", false);                  if (temp == "not found") { temp = "f"; }
-                       realign = isTrue(temp); 
+                       realign = m->isTrue(temp); 
+                       
+                       temp = validParameter.validFile(parameters, "trim", false);                             if (temp == "not found") { temp = "f"; }
+                       trim = m->isTrue(temp); 
+                       
+                       temp = validParameter.validFile(parameters, "trimera", false);                          if (temp == "not found") { temp = "f"; }
+                       trimera = m->isTrue(temp); 
                        
                        search = validParameter.validFile(parameters, "search", false);                 if (search == "not found") { search = "distance"; }
                        
@@ -166,14 +302,17 @@ 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 trimera parameter allows you to check both peices of non-chimeric sequence for chimeras, thus looking for trimeras and quadmeras. default=F. \n");
                m->mothurOut("The window parameter allows you to specify the window size for searching for chimeras, default=50. \n");
                m->mothurOut("The increment parameter allows you to specify how far you move each window while finding chimeric sequences, default=5.\n");
                m->mothurOut("The numwanted parameter allows you to specify how many sequences you would each query sequence compared with, default=15.\n");
@@ -209,7 +348,7 @@ ChimeraSlayerCommand::~ChimeraSlayerCommand(){      /*      do nothing      */      }
 int ChimeraSlayerCommand::execute(){
        try{
                
-               if (abort == true) { return 0; }
+               if (abort == true) { if (calledHelp) { return 0; }  return 2;   }
                
                for (int s = 0; s < fastaFileNames.size(); s++) {
                                
@@ -217,10 +356,40 @@ 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);   
-                                                       
-                       string outputFileName = outputDir + getRootName(getSimpleName(fastaFileNames[s])) + "slayer.chimeras";
-                       string accnosFileName = outputDir + getRootName(getSimpleName(fastaFileNames[s]))  + "slayer.accnos";
+                       if (templatefile != "self") { //you want to run slayer with a refernce template
+                               chimera = new ChimeraSlayer(fastaFileNames[s], templatefile, trim, search, ksize, match, mismatch, window, divR, minSimilarity, minCoverage, minBS, minSNP, parents, iters, increment, numwanted, realign);     
+                       }else {
+                               if (nameFileNames.size() != 0) { //you provided a namefile and we don't need to create one
+                                       chimera = new ChimeraSlayer(fastaFileNames[s], templatefile, trim, nameFileNames[s], search, includeAbunds, ksize, match, mismatch, window, divR, minSimilarity, minCoverage, minBS, minSNP, parents, iters, increment, numwanted, realign);    
+                               }else {
+                                       
+                                       m->mothurOutEndLine(); m->mothurOut("No namesfile given, running unique.seqs command to generate one."); m->mothurOutEndLine(); m->mothurOutEndLine();
+                                       
+                                       //use unique.seqs to create new name and fastafile
+                                       string inputString = "fasta=" + fastaFileNames[s];
+                                       m->mothurOut("/******************************************/"); m->mothurOutEndLine(); 
+                                       m->mothurOut("Running command: unique.seqs(" + inputString + ")"); m->mothurOutEndLine(); 
+                                                                
+                                       Command* uniqueCommand = new DeconvoluteCommand(inputString);
+                                       uniqueCommand->execute();
+                                       
+                                       map<string, vector<string> > filenames = uniqueCommand->getOutputFiles();
+                                       
+                                       delete uniqueCommand;
+                                       
+                                       m->mothurOut("/******************************************/"); m->mothurOutEndLine(); 
+                                       
+                                       string nameFile = filenames["name"][0];
+                                       fastaFileNames[s] = filenames["fasta"][0];
+                       
+                                       chimera = new ChimeraSlayer(fastaFileNames[s], templatefile, trim, nameFile, search, includeAbunds, ksize, match, mismatch, window, divR, minSimilarity, minCoverage, minBS, minSNP, parents, iters, increment, numwanted, realign);    
+                               }
+                       }
+                               
+                       if (outputDir == "") { outputDir = m->hasPath(fastaFileNames[s]);  }//if user entered a file with a path then preserve it                               
+                       string outputFileName = outputDir + m->getRootName(m->getSimpleName(fastaFileNames[s])) + "slayer.chimera";
+                       string accnosFileName = outputDir + m->getRootName(m->getSimpleName(fastaFileNames[s]))  + "slayer.accnos";
+                       string trimFastaFileName = outputDir + m->getRootName(m->getSimpleName(fastaFileNames[s]))  + "slayer.fasta";
                        
                        if (m->control_pressed) { delete chimera; for (int j = 0; j < outputNames.size(); j++) {        remove(outputNames[j].c_str()); }  return 0;    }
                        
@@ -232,7 +401,7 @@ int ChimeraSlayerCommand::execute(){
                        templateSeqsLength = chimera->getLength();
                        
                #ifdef USE_MPI  
-                       int pid, end, numSeqsPerProcessor; 
+                       int pid, numSeqsPerProcessor; 
                                int tag = 2001;
                                vector<unsigned long int> MPIPos;
                                
@@ -243,6 +412,7 @@ 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; 
@@ -252,6 +422,9 @@ 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());
@@ -259,8 +432,9 @@ 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) {  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();
@@ -277,7 +451,7 @@ int ChimeraSlayerCommand::execute(){
                                        MPI_File_write_shared(outMPI, buf2, length, MPI_CHAR, &status);
                                        delete buf2;
 
-                                       MPIPos = setFilePosFasta(fastaFileNames[s], numSeqs); //fills MPIPos, returns numSeqs
+                                       MPIPos = m->setFilePosFasta(fastaFileNames[s], numSeqs); //fills MPIPos, returns numSeqs
                                        
                                        //send file positions to all processes
                                        for(int i = 1; i < processors; i++) { 
@@ -291,9 +465,9 @@ 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) {  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);
@@ -306,26 +480,27 @@ 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) {  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
                        ofstream outHeader;
-                       string tempHeader = outputDir + getRootName(getSimpleName(fastaFileNames[s])) + "slayer.chimeras.tempHeader";
-                       openOutputFile(tempHeader, outHeader);
+                       string tempHeader = outputDir + m->getRootName(m->getSimpleName(fastaFileNames[s])) + "slayer.chimeras.tempHeader";
+                       m->openOutputFile(tempHeader, outHeader);
                        
                        chimera->printHeader(outHeader);
                        outHeader.close();
                        
-                       vector<unsigned long int> positions = divideFile(fastaFileNames[s], processors);
+                       vector<unsigned long int> positions = m->divideFile(fastaFileNames[s], processors);
                                
                        for (int i = 0; i < (positions.size()-1); i++) {
                                lines.push_back(new linePair(positions[i], positions[(i+1)]));
@@ -334,41 +509,49 @@ 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) { 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++){
-                                               appendFiles((outputFileName + toString(processIDS[i]) + ".temp"), outputFileName);
+                                               m->appendFiles((outputFileName + toString(processIDS[i]) + ".temp"), outputFileName);
                                                remove((outputFileName + toString(processIDS[i]) + ".temp").c_str());
                                        }
                                        
                                        //append output files
                                        for(int i=1;i<processors;i++){
-                                               appendFiles((accnosFileName + toString(processIDS[i]) + ".temp"), accnosFileName);
+                                               m->appendFiles((accnosFileName + toString(processIDS[i]) + ".temp"), accnosFileName);
                                                remove((accnosFileName + toString(processIDS[i]) + ".temp").c_str());
                                        }
                                        
-                                       if (m->control_pressed) { 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) { 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
                        
-                       appendFiles(outputFileName, tempHeader);
+                       m->appendFiles(outputFileName, tempHeader);
                
                        remove(outputFileName.c_str());
                        rename(tempHeader.c_str(), outputFileName.c_str());
@@ -379,8 +562,9 @@ int ChimeraSlayerCommand::execute(){
                        
                        for (int i = 0; i < lines.size(); i++) {  delete lines[i];  }  lines.clear();
                        
-                       outputNames.push_back(outputFileName);
-                       outputNames.push_back(accnosFileName); 
+                       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();
                }
@@ -400,16 +584,19 @@ 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;
-               openOutputFile(outputFName, out);
+               m->openOutputFile(outputFName, out);
                
                ofstream out2;
-               openOutputFile(accnos, out2);
+               m->openOutputFile(accnos, out2);
+               
+               ofstream out3;
+               if (trim) {  m->openOutputFile(fasta, out3); }
                
                ifstream inFASTA;
-               openInputFile(filename, inFASTA);
+               m->openInputFile(filename, inFASTA);
 
                inFASTA.seekg(filePos->start);
 
@@ -418,9 +605,10 @@ 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);  gobble(inFASTA);
+                       Sequence* candidateSeq = new Sequence(inFASTA);  m->gobble(inFASTA);
+                       string candidateAligned = candidateSeq->getAligned();
                                
                        if (candidateSeq->getName() != "") { //incase there is a commented sequence at the end of a file
                                
@@ -431,16 +619,67 @@ int ChimeraSlayerCommand::driver(linePair* filePos, string outputFName, string f
                                        chimera->getChimeras(candidateSeq);
                                        
                                        if (m->control_pressed) {       delete candidateSeq; return 1;  }
-               
-                                       //print results
-                                       chimera->print(out, out2);
+                                               
+                                       //if you are not chimeric, then check each half
+                                       data_results wholeResults = chimera->getResults();
+                                       
+                                       //determine if we need to split
+                                       bool isChimeric = false;
+                                       
+                                       if (wholeResults.flag == "yes") {
+                                               string chimeraFlag = "no";
+                                               if(  (wholeResults.results[0].bsa >= minBS && wholeResults.results[0].divr_qla_qrb >= divR)
+                                                  ||
+                                                  (wholeResults.results[0].bsb >= minBS && wholeResults.results[0].divr_qlb_qra >= divR) ) { chimeraFlag = "yes"; }
+                                               
+                                               
+                                               if (chimeraFlag == "yes") {     
+                                                       if ((wholeResults.results[0].bsa >= minBS) || (wholeResults.results[0].bsb >= minBS)) { isChimeric = true; }
+                                               }
+                                       }
+                                       
+                                       if ((!isChimeric) && trimera) {
+                                               
+                                               //split sequence in half by bases
+                                               string leftQuery, rightQuery;
+                                               Sequence tempSeq(candidateSeq->getName(), candidateAligned);
+                                               divideInHalf(tempSeq, leftQuery, rightQuery);
+                                               
+                                               //run chimeraSlayer on each piece
+                                               Sequence* left = new Sequence(candidateSeq->getName(), leftQuery);
+                                               Sequence* right = new Sequence(candidateSeq->getName(), rightQuery);
+                                               
+                                               //find chimeras
+                                               chimera->getChimeras(left);
+                                               data_results leftResults = chimera->getResults();
+                                               
+                                               chimera->getChimeras(right);
+                                               data_results rightResults = chimera->getResults();
+                                               
+                                               //if either piece is chimeric then report
+                                               Sequence* trimmed = chimera->print(out, out2, leftResults, rightResults);
+                                               if (trim) { trimmed->printSequence(out3); delete trimmed; }
+                                               
+                                               delete left; delete right;
+                                               
+                                       }else { //already chimeric
+                                               //print results
+                                               Sequence* trimmed = chimera->print(out, out2);
+                                               if (trim) { trimmed->printSequence(out3); delete trimmed; }
+                                       }
+                                       
+                                       
                                }
                        count++;
                        }
                        delete candidateSeq;
                        
-                       unsigned long int pos = inFASTA.tellg();
-                       if ((pos == -1) || (pos >= filePos->end)) { break; }
+                       #if defined (__APPLE__) || (__MACH__) || (linux) || (__linux)
+                               unsigned long int pos = inFASTA.tellg();
+                               if ((pos == -1) || (pos >= filePos->end)) { break; }
+                       #else
+                               if (inFASTA.eof()) { break; }
+                       #endif
                        
                        //report progress
                        if((count) % 100 == 0){ m->mothurOut("Processing sequence: " + toString(count)); m->mothurOutEndLine();         }
@@ -450,6 +689,7 @@ int ChimeraSlayerCommand::driver(linePair* filePos, string outputFName, string f
                
                out.close();
                out2.close();
+               if (trim) { out3.close(); }
                inFASTA.close();
                                
                return count;
@@ -461,7 +701,7 @@ 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;
@@ -483,7 +723,8 @@ int ChimeraSlayerCommand::driverMPI(int start, int num, MPI_File& inMPI, MPI_Fil
 
                        delete buf4;
 
-                       Sequence* candidateSeq = new Sequence(iss);  gobble(iss);
+                       Sequence* candidateSeq = new Sequence(iss);  m->gobble(iss);
+                       string candidateAligned = candidateSeq->getAligned();
                
                        if (candidateSeq->getName() != "") { //incase there is a commented sequence at the end of a file
                                
@@ -495,9 +736,77 @@ 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);
+                                       
+                                       //if you are not chimeric, then check each half
+                                       data_results wholeResults = chimera->getResults();
+                                       
+                                       //determine if we need to split
+                                       bool isChimeric = false;
+                                       
+                                       if (wholeResults.flag == "yes") {
+                                               string chimeraFlag = "no";
+                                               if(  (wholeResults.results[0].bsa >= minBS && wholeResults.results[0].divr_qla_qrb >= divR)
+                                                  ||
+                                                  (wholeResults.results[0].bsb >= minBS && wholeResults.results[0].divr_qlb_qra >= divR) ) { chimeraFlag = "yes"; }
+                                               
+                                               
+                                               if (chimeraFlag == "yes") {     
+                                                       if ((wholeResults.results[0].bsa >= minBS) || (wholeResults.results[0].bsb >= minBS)) { isChimeric = true; }
+                                               }
+                                       }
+                                       
+                                       if ((!isChimeric) && trimera) {                                                 
+                                               //split sequence in half by bases
+                                               string leftQuery, rightQuery;
+                                               Sequence tempSeq(candidateSeq->getName(), candidateAligned);
+                                               divideInHalf(tempSeq, leftQuery, rightQuery);
+                                               
+                                               //run chimeraSlayer on each piece
+                                               Sequence* left = new Sequence(candidateSeq->getName(), leftQuery);
+                                               Sequence* right = new Sequence(candidateSeq->getName(), rightQuery);
+                                               
+                                               //find chimeras
+                                               chimera->getChimeras(left);
+                                               data_results leftResults = chimera->getResults();
+                                               
+                                               chimera->getChimeras(right);
+                                               data_results rightResults = chimera->getResults();
+                                               
+                                               //if either piece is chimeric then report
+                                               Sequence* trimmed = chimera->print(outMPI, outAccMPI, leftResults, rightResults);
+                                               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 left; delete right;
+                                               
+                                       }else { 
+                                               //print results
+                                               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;
@@ -520,7 +829,7 @@ 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;
@@ -534,17 +843,21 @@ 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;
                                string tempFile = outputFileName + toString(getpid()) + ".num.temp";
-                               openOutputFile(tempFile, out);
+                               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
@@ -556,7 +869,7 @@ int ChimeraSlayerCommand::createProcesses(string outputFileName, string filename
                for (int i = 0; i < processIDS.size(); i++) {
                        ifstream in;
                        string tempFile =  outputFileName + toString(processIDS[i]) + ".num.temp";
-                       openInputFile(tempFile, in);
+                       m->openInputFile(tempFile, in);
                        if (!in.eof()) { int tempNum = 0; in >> tempNum; num += tempNum; }
                        in.close(); remove(tempFile.c_str());
                }
@@ -572,4 +885,42 @@ int ChimeraSlayerCommand::createProcesses(string outputFileName, string filename
 
 /**************************************************************************************************/
 
+int ChimeraSlayerCommand::divideInHalf(Sequence querySeq, string& leftQuery, string& rightQuery) {
+       try {
+               
+               string queryUnAligned = querySeq.getUnaligned();
+               int numBases = int(queryUnAligned.length() * 0.5);
+               
+               string queryAligned = querySeq.getAligned();
+               leftQuery = querySeq.getAligned();
+               rightQuery = querySeq.getAligned();
+               
+               int baseCount = 0;
+               int leftSpot = 0;
+               for (int i = 0; i < queryAligned.length(); i++) {
+                       //if you are a base
+                       if (isalpha(queryAligned[i])) {         
+                               baseCount++; 
+                       }
+                       
+                       //if you have half
+                       if (baseCount >= numBases) {  leftSpot = i; break; } //first half
+               }
+               
+               //blank out right side
+               for (int i = leftSpot; i < leftQuery.length(); i++) { leftQuery[i] = '.'; }
+               
+               //blank out left side
+               for (int i = 0; i < leftSpot; i++) { rightQuery[i] = '.'; }
+               
+               return 0;
+               
+       }
+       catch(exception& e) {
+               m->errorOut(e, "ChimeraSlayerCommand", "divideInHalf");
+               exit(1);
+       }
+}
+
+/**************************************************************************************************/