]> git.donarmstrong.com Git - mothur.git/blobdiff - chimeraseqscommand.cpp
added checks for ^C to quit command instead of program
[mothur.git] / chimeraseqscommand.cpp
index 105fd11b90afd8ce700bb3b20b66bcc9b39bdbb2..69ce031a50c37caed255347378979e3b94d37b62 100644 (file)
 #include "chimeraseqscommand.h"
 #include "bellerophon.h"
 #include "pintail.h"
+#include "ccode.h"
+#include "chimeracheckrdp.h"
+#include "chimeraslayer.h"
+
 
 //***************************************************************************************************************
 
-ChimeraSeqsCommand::ChimeraSeqsCommand(string option){
+ChimeraSeqsCommand::ChimeraSeqsCommand(string option)  {
        try {
                abort = false;
                
@@ -22,31 +26,114 @@ ChimeraSeqsCommand::ChimeraSeqsCommand(string option){
                
                else {
                        //valid paramters for this command
-                       string Array[] =  {"fasta", "filter", "correction", "processors", "method", "window", "increment", "template" };
+                       string Array[] =  {"fasta", "filter", "correction", "processors", "method", "window", "increment", "template", "conservation", "quantile", "mask", 
+                       "numwanted", "ksize", "svg", "name", "match","mismatch", "divergence", "minsim","mincov","minbs", "minsnp","parents", "iters","outputdir","inputdir", "search","realign" };
                        vector<string> myArray (Array, Array+(sizeof(Array)/sizeof(string)));
                        
                        OptionParser parser(option);
                        map<string,string> parameters = parser.getParameters();
                        
                        ValidParameters validParameter;
+                       map<string,string>::iterator it;
                        
                        //check to make sure all parameters are valid for command
-                       for (map<string,string>::iterator it = parameters.begin(); it != parameters.end(); it++) { 
+                       for (it = parameters.begin(); it != parameters.end(); it++) { 
                                if (validParameter.isValidParameter(it->first, myArray, it->second) != true) {  abort = true;  }
                        }
                        
+                       //if the user changes the input directory command factory will send this info to us in the output parameter 
+                       string inputDir = validParameter.validFile(parameters, "inputdir", false);              
+                       if (inputDir == "not found"){   inputDir = "";          }
+                       else {
+                               string path;
+                               it = parameters.find("fasta");
+                               //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["fasta"] = inputDir + it->second;            }
+                               }
+                               
+                               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;         }
+                               }
+                               
+                               it = parameters.find("conservation");
+                               //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["conservation"] = inputDir + it->second;             }
+                               }
+                               
+                               it = parameters.find("quantile");
+                               //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["quantile"] = inputDir + it->second;         }
+                               }
+                               
+                               it = parameters.find("name");
+                               //user has given a template file
+                               if(it != parameters.end()){ 
+                                       path = hasPath(it->second);
+                                       //if the user has not given a path then, add inputdir. else leave path alone.
+                                       if (path == "") {       parameters["name"] = inputDir + it->second;             }
+                               }
+                       }
+
+                       
                        //check for required parameters
                        fastafile = validParameter.validFile(parameters, "fasta", true);
                        if (fastafile == "not open") { abort = true; }
-                       else if (fastafile == "not found") { fastafile = ""; mothurOut("fasta is a required parameter for the chimera.seqs command."); mothurOutEndLine(); abort = true;  }     
+                       else if (fastafile == "not found") { fastafile = ""; m->mothurOut("fasta is a required parameter for the chimera.seqs command."); m->mothurOutEndLine(); abort = true;  }       
                        
+                       //if the user changes the output directory command factory will send this info to us in the output parameter 
+                       outputDir = validParameter.validFile(parameters, "outputdir", false);           if (outputDir == "not found"){  
+                               outputDir = ""; 
+                               outputDir += hasPath(fastafile); //if user entered a file with a path then preserve it  
+                       }
+
                        templatefile = validParameter.validFile(parameters, "template", true);
                        if (templatefile == "not open") { abort = true; }
                        else if (templatefile == "not found") { templatefile = "";  }   
                        
+                       consfile = validParameter.validFile(parameters, "conservation", true);
+                       if (consfile == "not open") { abort = true; }
+                       else if (consfile == "not found") { consfile = "";  }   
+                       
+                       quanfile = validParameter.validFile(parameters, "quantile", true);
+                       if (quanfile == "not open") { abort = true; }
+                       else if (quanfile == "not found") { quanfile = "";  }
+                       
+                       namefile = validParameter.validFile(parameters, "name", true);
+                       if (namefile == "not open") { abort = true; }
+                       else if (namefile == "not found") { namefile = "";  }
 
+                       maskfile = validParameter.validFile(parameters, "mask", false);
+                       if (maskfile == "not found") { maskfile = "";  }        
+                       else if (maskfile != "default")  { 
+                               if (inputDir != "") {
+                                       string path = hasPath(maskfile);
+                                       //if the user has not given a path then, add inputdir. else leave path alone.
+                                       if (path == "") {       maskfile = inputDir + maskfile;         }
+                               }
+
+                               ifstream in;
+                               int     ableToOpen = openInputFile(maskfile, in);
+                               if (ableToOpen == 1) { abort = true; }
+                               in.close();
+                       }
+                       
+                       method = validParameter.validFile(parameters, "method", false);                 if (method == "not found") { method = "pintail"; }
+                       
                        string temp;
-                       temp = validParameter.validFile(parameters, "filter", false);                   if (temp == "not found") { temp = "T"; }
+                       temp = validParameter.validFile(parameters, "filter", false);                   if (temp == "not found") { temp = "F"; }
                        filter = isTrue(temp);
                        
                        temp = validParameter.validFile(parameters, "correction", false);               if (temp == "not found") { temp = "T"; }
@@ -55,21 +142,71 @@ ChimeraSeqsCommand::ChimeraSeqsCommand(string option){
                        temp = validParameter.validFile(parameters, "processors", false);               if (temp == "not found") { temp = "1"; }
                        convert(temp, processors);
                        
-                       temp = validParameter.validFile(parameters, "window", false);                   if (temp == "not found") { temp = "0"; }
+                       temp = validParameter.validFile(parameters, "ksize", false);                    if (temp == "not found") { temp = "7"; }
+                       convert(temp, ksize);
+                       
+                       temp = validParameter.validFile(parameters, "svg", false);                              if (temp == "not found") { temp = "F"; }
+                       svg = isTrue(temp);
+                       
+                       temp = validParameter.validFile(parameters, "window", false);   
+                       if ((temp == "not found") && (method == "chimeraslayer")) { temp = "50"; }                      
+                       else if (temp == "not found") { temp = "0"; }
                        convert(temp, window);
-                                       
-                       temp = validParameter.validFile(parameters, "increment", false);                        if (temp == "not found") { temp = "10"; }
+                       
+                       temp = validParameter.validFile(parameters, "match", false);                    if (temp == "not found") { temp = "5"; }
+                       convert(temp, match);
+                       
+                       temp = validParameter.validFile(parameters, "mismatch", false);                 if (temp == "not found") { temp = "-4"; }
+                       convert(temp, mismatch);
+                       
+                       temp = validParameter.validFile(parameters, "divergence", false);               if (temp == "not found") { temp = "1.007"; }
+                       convert(temp, divR);
+                       
+                       temp = validParameter.validFile(parameters, "minsim", false);                   if (temp == "not found") { temp = "90"; }
+                       convert(temp, minSimilarity);
+                       
+                       temp = validParameter.validFile(parameters, "mincov", false);                   if (temp == "not found") { temp = "70"; }
+                       convert(temp, minCoverage);
+                       
+                       temp = validParameter.validFile(parameters, "minbs", false);                    if (temp == "not found") { temp = "90"; }
+                       convert(temp, minBS);
+                       
+                       temp = validParameter.validFile(parameters, "minsnp", false);                   if (temp == "not found") { temp = "10"; }
+                       convert(temp, minSNP);
+
+                       temp = validParameter.validFile(parameters, "parents", false);                  if (temp == "not found") { temp = "3"; }
+                       convert(temp, parents); 
+                       
+                       temp = validParameter.validFile(parameters, "realign", false);                  if (temp == "not found") { temp = "f"; }
+                       realign = isTrue(temp); 
+                       
+                       search = validParameter.validFile(parameters, "search", false);                 if (search == "not found") { search = "distance"; }
+                       
+                       temp = validParameter.validFile(parameters, "iters", false);    
+                       if ((temp == "not found") && (method == "chimeraslayer")) { temp = "100"; }             
+                       else if (temp == "not found") { temp = "1000"; }
+                       convert(temp, iters); 
+                        
+                       temp = validParameter.validFile(parameters, "increment", false);                
+                       if ((temp == "not found") && (method == "chimeracheck")) { temp = "10"; }
+                       else if ((temp == "not found") && (method == "chimeraslayer")) { temp = "5"; }
+                       else if (temp == "not found") { temp = "25"; }
                        convert(temp, increment);
-                               
-                       method = validParameter.validFile(parameters, "method", false);         if (method == "not found") { method = "pintail"; }
                        
-                       if ((method == "pintail") && (templatefile == "")) { mothurOut("You must provide a template file with the pintail method."); mothurOutEndLine(); abort = true;  }
+                       temp = validParameter.validFile(parameters, "numwanted", false);
+                       if ((temp == "not found") && (method == "chimeraslayer")) { temp = "15"; }              
+                       else if (temp == "not found") { temp = "20"; }
+                       convert(temp, numwanted);
+
+                       if ((search != "distance") && (search != "blast") && (search != "kmer")) { m->mothurOut(search + " is not a valid search."); m->mothurOutEndLine(); abort = true;  }
+                       
+                       if (((method != "bellerophon")) && (templatefile == "")) { m->mothurOut("You must provide a template file with the pintail, ccode, chimeraslayer or chimeracheck methods."); m->mothurOutEndLine(); abort = true;  }
                        
 
                }
        }
        catch(exception& e) {
-               errorOut(e, "ChimeraSeqsCommand", "ChimeraSeqsCommand");
+               m->errorOut(e, "ChimeraSeqsCommand", "ChimeraSeqsCommand");
                exit(1);
        }
 }
@@ -77,19 +214,53 @@ ChimeraSeqsCommand::ChimeraSeqsCommand(string option){
 
 void ChimeraSeqsCommand::help(){
        try {
-               mothurOut("The chimera.seqs command reads a fastafile and creates a sorted priority score list of potentially chimeric sequences (ideally, the sequences should already be aligned).\n");
-               mothurOut("The chimera.seqs command parameters are fasta, filter, correction, processors and method.  fasta is required.\n");
-               mothurOut("The filter parameter allows you to specify if you would like to apply a 50% soft filter.  The default is false. \n");
-               mothurOut("The correction parameter allows you to put more emphasis on the distance between highly similar sequences and less emphasis on the differences between remote homologs.   The default is true. \n");
-               mothurOut("The processors parameter allows you to specify how many processors you would like to use.  The default is 1. \n");
-               mothurOut("The method parameter allows you to specify the method for finding chimeric sequences.  The default is pintail. \n");
-               mothurOut("The chimera.seqs command should be in the following format: \n");
-               mothurOut("chimera.seqs(fasta=yourFastaFile, filter=yourFilter, correction=yourCorrection, processors=yourProcessors, method=bellerophon) \n");
-               mothurOut("Example: chimera.seqs(fasta=AD.align, filter=True, correction=true, processors=2, method=yourMethod) \n");
-               mothurOut("Note: No spaces between parameter labels (i.e. fasta), '=' and parameters (i.e.yourFastaFile).\n\n");        
+       
+               //"fasta", "filter", "correction", "processors", "method", "window", "increment", "template", "conservation", "quantile", "mask", "numwanted", "ksize", "svg", "name"
+               //m->mothurOut("chimera.seqs ASSUMES that your sequences are ALIGNED and if using a template that the template file sequences are the same length as the fasta file sequences.\n\n");
+               m->mothurOut("The chimera.seqs command reads a fastafile and creates list of potentially chimeric sequences.\n");
+               m->mothurOut("The chimera.seqs command parameters are fasta, filter, correction, processors, mask, method, window, increment, template, conservation, quantile, numwanted, ksize, svg, name, iters, search, realign.\n");
+               m->mothurOut("The fasta parameter is always required and template is required if using pintail, ccode or chimeracheck.\n");
+               m->mothurOut("The filter parameter allows you to specify if you would like to apply a vertical and 50% soft filter. \n");
+               m->mothurOut("The correction parameter allows you to put more emphasis on the distance between highly similar sequences and less emphasis on the differences between remote homologs.\n");
+               m->mothurOut("The processors parameter allows you to specify how many processors you would like to use.  The default is 1. \n");
+               m->mothurOut("The method parameter allows you to specify the method for finding chimeric sequences.  The default is pintail. Options include bellerophon, ccode and chimeracheck \n");
+               m->mothurOut("The mask parameter allows you to specify a file containing one sequence you wish to use as a mask for the your sequences. \n");
+               m->mothurOut("The window parameter allows you to specify the window size for searching for chimeras. \n");
+               m->mothurOut("The increment parameter allows you to specify how far you move each window while finding chimeric sequences.\n");
+               m->mothurOut("The template parameter allows you to enter a template file containing known non-chimeric sequences. \n");
+               m->mothurOut("The conservation parameter allows you to enter a frequency file containing the highest bases frequency at each place in the alignment.\n");
+               m->mothurOut("The quantile parameter allows you to enter a file containing quantiles for a template files sequences.\n");
+               m->mothurOut("The numwanted parameter allows you to specify how many sequences you would each query sequence compared with.\n");
+               m->mothurOut("The ksize parameter allows you to input kmersize. \n");
+               m->mothurOut("The svg parameter allows you to specify whether or not you would like a svg file outputted for each query sequence.\n");
+               m->mothurOut("The name parameter allows you to enter a file containing names of sequences you would like .svg files for.\n");
+               m->mothurOut("The iters parameter allows you to specify the number of bootstrap iters to do with the chimeraslayer method.\n");
+               m->mothurOut("The minsim parameter allows you .... \n");
+               m->mothurOut("The mincov parameter allows you to specify minimum coverage by closest matches found in template. Default is 70, meaning 70%. \n");
+               m->mothurOut("The minbs parameter allows you to specify minimum bootstrap support for calling a sequence chimeric. Default is 90, meaning 90%. \n");
+               m->mothurOut("The minsnp parameter allows you to specify percent of SNPs to sample on each side of breakpoint for computing bootstrap support (default: 10) \n");
+               m->mothurOut("The search parameter allows you to specify search method for finding the closest parent. Choices are distance, blast, and kmer, default distance.  -used only by chimeraslayer. \n");
+               m->mothurOut("The realign parameter allows you to realign the query to the potential paretns. Choices are true or false, default false.  -used only by chimeraslayer. \n");
+               m->mothurOut("NOT ALL PARAMETERS ARE USED BY ALL METHODS. Please look below for method specifics.\n\n");
+               m->mothurOut("Details for each method: \n"); 
+               m->mothurOut("\tpintail: \n"); 
+               m->mothurOut("\t\tparameters: fasta=required, template=required, filter=F, mask=no mask, processors=1, window=300, increment=25, conservation=not required, but will improve speed, quantile=not required, but will greatly improve speed. \n"); 
+               m->mothurOut("\t\tIf you have run chimera.seqs using pintail a .quan and .freq file will be created for your template, if you have not provided them for use in future command executions.\n");
+               m->mothurOut("\tbellerophon: \n"); 
+               m->mothurOut("\t\tparameters: fasta=required, filter=F, processors=1, window=1/4 length of seq, increment=25, correction=T. \n"); 
+               m->mothurOut("\tccode: \n"); 
+               m->mothurOut("\t\tparameters: fasta=required, template=required, filter=F, mask=no mask, processors=1, window=10% of length, numwanted=20\n"); 
+               m->mothurOut("\tchimeracheck: \n"); 
+               m->mothurOut("\t\tparameters: fasta=required, template=required, processors=1, increment=10, ksize=7, svg=F, name=none\n\n"); 
+               m->mothurOut("\tchimeraslayer: \n"); 
+               m->mothurOut("\t\tparameters: fasta=required, template=required, processors=1, increment=10, mask=no mask, numwanted=10, match=5, mismatch=-4, divergence=1.0, minsim=90, parents=5, iters=1000, window=100. \n\n"); 
+               m->mothurOut("The chimera.seqs command should be in the following format: \n");
+               m->mothurOut("chimera.seqs(fasta=yourFastaFile, filter=yourFilter, correction=yourCorrection, processors=yourProcessors, method=bellerophon) \n");
+               m->mothurOut("Example: chimera.seqs(fasta=AD.align, filter=True, correction=true, method=bellerophon, window=200) \n");
+               m->mothurOut("Note: No spaces between parameter labels (i.e. fasta), '=' and parameters (i.e.yourFastaFile).\n\n");     
        }
        catch(exception& e) {
-               errorOut(e, "ChimeraSeqsCommand", "help");
+               m->errorOut(e, "ChimeraSeqsCommand", "help");
                exit(1);
        }
 }
@@ -105,40 +276,361 @@ int ChimeraSeqsCommand::execute(){
                
                if (abort == true) { return 0; }
                
-               if (method == "bellerophon")    {       chimera = new Bellerophon(fastafile);   }
-               else if (method == "pintail")   {       chimera = new Pintail(fastafile);               }
-               else { mothurOut("Not a valid method."); mothurOutEndLine(); return 0;          }
+               int start = time(NULL); 
+               
+               if (method == "bellerophon")                    {               chimera = new Bellerophon(fastafile, outputDir);                        }
+               else if (method == "pintail")                   {               chimera = new Pintail(fastafile, outputDir);                            }
+               else if (method == "ccode")                             {               chimera = new Ccode(fastafile, outputDir);                                      }
+               else if (method == "chimeracheck")              {               chimera = new ChimeraCheckRDP(fastafile, outputDir);            }
+               else if (method == "chimeraslayer")             {               chimera = new ChimeraSlayer(search, realign, fastafile);        }
+               else { m->mothurOut("Not a valid method."); m->mothurOutEndLine(); return 0;            }
                
                //set user options
+               if (maskfile == "default") { m->mothurOut("I am using the default 236627 EU009184.1 Shigella dysenteriae str. FBD013."); m->mothurOutEndLine();  }
+               
+               chimera->setCons(consfile);     
+               chimera->setQuantiles(quanfile);                                
+               chimera->setMask(maskfile);
                chimera->setFilter(filter);
                chimera->setCorrection(correction);
                chimera->setProcessors(processors);
                chimera->setWindow(window);
                chimera->setIncrement(increment);
-               chimera->setTemplate(templatefile); 
+               chimera->setNumWanted(numwanted);
+               chimera->setKmerSize(ksize);
+               chimera->setSVG(svg);
+               chimera->setName(namefile);
+               chimera->setMatch(match);
+               chimera->setMisMatch(mismatch);
+               chimera->setDivR(divR);
+               chimera->setParents(parents);
+               chimera->setMinSim(minSimilarity);
+               chimera->setMinCoverage(minCoverage);
+               chimera->setMinBS(minBS);
+               chimera->setMinSNP(minSNP);
+               chimera->setIters(iters);
                
-               //find chimeras
-               chimera->getChimeras();
+
+               string outputFileName = outputDir + getRootName(getSimpleName(fastafile)) + method + maskfile + ".chimeras";
+               string accnosFileName = outputDir + getRootName(getSimpleName(fastafile)) + method + maskfile + ".accnos";
+               bool hasAccnos = true;
                
-               string outputFileName = getRootName(fastafile) + method + ".chimeras";
-               ofstream out;
-               openOutputFile(outputFileName, out);
+               if (method == "bellerophon") {//run bellerophon separately since you need to read entire fastafile to run it
+                       chimera->getChimeras();
+                       
+                       if (m->control_pressed) { delete chimera;       return 0;       }
+                       
+                       ofstream out;
+                       openOutputFile(outputFileName, out);
+                       
+                       ofstream out2;
+                       openOutputFile(accnosFileName, out2);
+                       
+                       chimera->print(out, out2);
+                       out.close();
+                       out2.close(); 
+                       
+                       if (m->control_pressed) { remove(accnosFileName.c_str()); remove(outputFileName.c_str()); delete chimera;       return 0;       }
+                       
+                       //delete accnos file if its blank 
+                       if (isBlank(accnosFileName)) {  remove(accnosFileName.c_str());  hasAccnos = false; }
+                       
+                       m->mothurOutEndLine();
+                       m->mothurOut("Output File Names: "); m->mothurOutEndLine();
+                       m->mothurOut(outputFileName); m->mothurOutEndLine();    
+                       if (hasAccnos) {  m->mothurOut(accnosFileName); m->mothurOutEndLine();  }
+                       m->mothurOutEndLine();
+
+                       return 0;
+               }
                
-               //print results
-               chimera->print(out);
+               //reads template
+               chimera->setTemplateFile(templatefile);
                
-               out.close();
+               if (m->control_pressed) { delete chimera;       return 0;       }
+               
+               if  (method != "chimeracheck") {   
+                       if (chimera->getUnaligned()) { 
+                               m->mothurOut("Your template sequences are different lengths, please correct."); m->mothurOutEndLine(); 
+                               delete chimera;
+                               return 0; 
+                       }
+               }
+               
+               //some methods need to do prep work before processing the chimeras
+               chimera->doPrep(); 
+               
+               if (m->control_pressed) { delete chimera;       return 0;       }
+               
+               templateSeqsLength = chimera->getLength();
                
+               ofstream outHeader;
+               string tempHeader = outputDir + getRootName(getSimpleName(fastafile)) + method + maskfile + ".chimeras.tempHeader";
+               openOutputFile(tempHeader, outHeader);
+               
+               chimera->printHeader(outHeader);
+               outHeader.close();
+               
+               
+               //break up file
+               #if defined (__APPLE__) || (__MACH__) || (linux) || (__linux)
+                       if(processors == 1){
+                               ifstream inFASTA;
+                               openInputFile(fastafile, inFASTA);
+                               numSeqs=count(istreambuf_iterator<char>(inFASTA),istreambuf_iterator<char>(), '>');
+                               inFASTA.close();
+                               
+                               lines.push_back(new linePair(0, numSeqs));
+                               
+                               driver(lines[0], outputFileName, fastafile, accnosFileName);
+                               
+                               if (m->control_pressed) { 
+                                       remove(outputFileName.c_str()); 
+                                       remove(tempHeader.c_str()); 
+                                       remove(accnosFileName.c_str());
+                                       for (int i = 0; i < lines.size(); i++) {  delete lines[i];  }  lines.clear();
+                                       delete chimera;
+                                       return 0;
+                               }
+                               
+                               //delete accnos file if its blank 
+                               if (isBlank(accnosFileName)) {  remove(accnosFileName.c_str());  hasAccnos = false; }
+                                                               
+                       }else{
+                               vector<int> positions;
+                               processIDS.resize(0);
+                               
+                               ifstream inFASTA;
+                               openInputFile(fastafile, inFASTA);
+                               
+                               string input;
+                               while(!inFASTA.eof()){
+                                       input = getline(inFASTA);
+                                       if (input.length() != 0) {
+                                               if(input[0] == '>'){    long int pos = inFASTA.tellg(); positions.push_back(pos - input.length() - 1);  }
+                                       }
+                               }
+                               inFASTA.close();
+                               
+                               numSeqs = positions.size();
+                               
+                               int numSeqsPerProcessor = numSeqs / processors;
+                               
+                               for (int i = 0; i < processors; i++) {
+                                       long int startPos = positions[ i * numSeqsPerProcessor ];
+                                       if(i == processors - 1){
+                                               numSeqsPerProcessor = numSeqs - i * numSeqsPerProcessor;
+                                       }
+                                       lines.push_back(new linePair(startPos, numSeqsPerProcessor));
+                               }
+                               
+                               
+                               createProcesses(outputFileName, fastafile, accnosFileName); 
+                       
+                               rename((outputFileName + toString(processIDS[0]) + ".temp").c_str(), outputFileName.c_str());
+                                       
+                               //append output files
+                               for(int i=1;i<processors;i++){
+                                       appendOutputFiles((outputFileName + toString(processIDS[i]) + ".temp"), outputFileName);
+                                       remove((outputFileName + toString(processIDS[i]) + ".temp").c_str());
+                               }
+                               
+                               vector<string> nonBlankAccnosFiles;
+                               //delete blank accnos files generated with multiple processes
+                               for(int i=0;i<processors;i++){  
+                                       if (!(isBlank(accnosFileName + toString(processIDS[i]) + ".temp"))) {
+                                               nonBlankAccnosFiles.push_back(accnosFileName + toString(processIDS[i]) + ".temp");
+                                       }else { remove((accnosFileName + toString(processIDS[i]) + ".temp").c_str());  }
+                               }
+                               
+                               //append accnos files
+                               if (nonBlankAccnosFiles.size() != 0) { 
+                                       rename(nonBlankAccnosFiles[0].c_str(), accnosFileName.c_str());
+                                       
+                                       for (int h=1; h < nonBlankAccnosFiles.size(); h++) {
+                                               appendOutputFiles(nonBlankAccnosFiles[h], accnosFileName);
+                                               remove(nonBlankAccnosFiles[h].c_str());
+                                       }
+                               }else{ hasAccnos = false;  }
+                               
+                               if (m->control_pressed) { 
+                                       remove(outputFileName.c_str()); 
+                                       remove(accnosFileName.c_str());
+                                       for (int i = 0; i < lines.size(); i++) {  delete lines[i];  }  lines.clear();
+                                       delete chimera;
+                                       return 0;
+                               }
+
+                       }
+
+               #else
+                       ifstream inFASTA;
+                       openInputFile(candidateFileNames[s], inFASTA);
+                       numSeqs=count(istreambuf_iterator<char>(inFASTA),istreambuf_iterator<char>(), '>');
+                       inFASTA.close();
+                       lines.push_back(new linePair(0, numSeqs));
+                       
+                       driver(lines[0], outputFileName, fastafile, accnosFileName);
+                       
+                       if (m->control_pressed) { 
+                                       remove(outputFileName.c_str()); 
+                                       remove(tempHeader.c_str()); 
+                                       remove(accnosFileName.c_str());
+                                       for (int i = 0; i < lines.size(); i++) {  delete lines[i];  }  lines.clear();
+                                       delete chimera;
+                                       return 0;
+                       }
+                       
+                       //delete accnos file if its blank 
+                       if (isBlank(accnosFileName)) {  remove(accnosFileName.c_str());  hasAccnos = false; }
+               #endif
+               
+               //m->mothurOut("Output File Names: ");
+               //if ((filter) && (method == "bellerophon")) { m->mothurOut(
+               //if (outputDir == "") { fastafile = getRootName(fastafile) + "filter.fasta"; }
+               //      else                             { fastafile = outputDir + getRootName(getSimpleName(fastafile)) + "filter.fasta"; }
+       
+               appendOutputFiles(tempHeader, outputFileName);
+       
+               remove(outputFileName.c_str());
+               rename(tempHeader.c_str(), outputFileName.c_str());
+       
                delete chimera;
                
+               if (method == "chimeracheck") { remove(accnosFileName.c_str());  m->mothurOutEndLine(); m->mothurOut("This method does not determine if a sequence is chimeric, but allows you to make that determination based on the IS values."); m->mothurOutEndLine();  }
+               
+               m->mothurOutEndLine();
+               m->mothurOut("Output File Names: "); m->mothurOutEndLine();
+               m->mothurOut(outputFileName); m->mothurOutEndLine();    
+               if (hasAccnos) {  m->mothurOut(accnosFileName); m->mothurOutEndLine();  }
+               m->mothurOutEndLine();
+
+               for (int i = 0; i < lines.size(); i++) {  delete lines[i];  }  lines.clear();
+               
+               m->mothurOutEndLine(); m->mothurOut("It took " + toString(time(NULL) - start) + " secs to check " + toString(numSeqs) + " sequences."); m->mothurOutEndLine();
+               
                return 0;
                
        }
        catch(exception& e) {
-               errorOut(e, "ChimeraSeqsCommand", "execute");
+               m->errorOut(e, "ChimeraSeqsCommand", "execute");
+               exit(1);
+       }
+}//**********************************************************************************************************************
+
+int ChimeraSeqsCommand::driver(linePair* line, string outputFName, string filename, string accnos){
+       try {
+               ofstream out;
+               openOutputFile(outputFName, out);
+               
+               ofstream out2;
+               openOutputFile(accnos, out2);
+               
+               ifstream inFASTA;
+               openInputFile(filename, inFASTA);
+
+               inFASTA.seekg(line->start);
+               
+               for(int i=0;i<line->numSeqs;i++){
+               
+                       if (m->control_pressed) {       return 1;       }
+               
+                       Sequence* candidateSeq = new Sequence(inFASTA);  gobble(inFASTA);
+                               
+                       if (candidateSeq->getName() != "") { //incase there is a commented sequence at the end of a file
+                               
+                               if ((candidateSeq->getAligned().length() != templateSeqsLength) && (method != "chimeracheck")) {  //chimeracheck does not require seqs to be aligned
+                                       m->mothurOut(candidateSeq->getName() + " is not the same length as the template sequences. Skipping."); m->mothurOutEndLine();
+                               }else{
+                                       //find chimeras
+                                       chimera->getChimeras(candidateSeq);
+                                       
+                                       if (m->control_pressed) {       delete candidateSeq; return 1;  }
+               
+                                       //print results
+                                       chimera->print(out, out2);
+                               }
+                       }
+                       delete candidateSeq;
+                       
+                       //report progress
+                       if((i+1) % 100 == 0){   m->mothurOut("Processing sequence: " + toString(i+1)); m->mothurOutEndLine();           }
+               }
+               //report progress
+               if((line->numSeqs) % 100 != 0){ m->mothurOut("Processing sequence: " + toString(line->numSeqs)); m->mothurOutEndLine();         }
+               
+               out.close();
+               out2.close();
+               inFASTA.close();
+                               
+               return 0;
+       }
+       catch(exception& e) {
+               m->errorOut(e, "ChimeraSeqsCommand", "driver");
+               exit(1);
+       }
+}
+
+/**************************************************************************************************/
+
+int ChimeraSeqsCommand::createProcesses(string outputFileName, string filename, string accnos) {
+       try {
+#if defined (__APPLE__) || (__MACH__) || (linux) || (__linux)
+               int process = 0;
+               //              processIDS.resize(0);
+               
+               //loop through and create all the processes you want
+               while (process != processors) {
+                       int pid = fork();
+                       
+                       if (pid > 0) {
+                               processIDS.push_back(pid);  //create map from line number to pid so you can append files in correct order later
+                               process++;
+                       }else if (pid == 0){
+                               driver(lines[process], outputFileName + toString(getpid()) + ".temp", filename, accnos + toString(getpid()) + ".temp");
+                               exit(0);
+                       }else { m->mothurOut("unable to spawn the necessary processes."); m->mothurOutEndLine(); exit(0); }
+               }
+               
+               //force parent to wait until all the processes are done
+               for (int i=0;i<processors;i++) { 
+                       int temp = processIDS[i];
+                       wait(&temp);
+               }
+               
+               return 0;
+#endif         
+       }
+       catch(exception& e) {
+               m->errorOut(e, "ChimeraSeqsCommand", "createProcesses");
                exit(1);
        }
 }
 
 /**************************************************************************************************/
 
+void ChimeraSeqsCommand::appendOutputFiles(string temp, string filename) {
+       try{
+               
+               ofstream output;
+               ifstream input;
+               
+               openOutputFileAppend(temp, output);
+               openInputFile(filename, input, "noerror");
+               
+               while(char c = input.get()){
+                       if(input.eof())         {       break;                  }
+                       else                            {       output << c;    }
+               }
+               
+               input.close();
+               output.close();
+       }
+       catch(exception& e) {
+               m->errorOut(e, "ChimeraSeqsCommand", "appendOuputFiles");
+               exit(1);
+       }
+}
+//**********************************************************************************************************************
+
+