]> git.donarmstrong.com Git - mothur.git/blobdiff - classifyseqscommand.cpp
fixed bug with shhh.flow from file path name in write functions, added "smart" featur...
[mothur.git] / classifyseqscommand.cpp
index 4291132c74ea9537e9abfdea7779ac404d636c2a..328cd58f1f32bc265de857de4ede5aa557c2cd94 100644 (file)
@@ -8,11 +8,6 @@
  */
 
 #include "classifyseqscommand.h"
-#include "sequence.hpp"
-#include "bayesian.h"
-#include "phylotree.h"
-#include "phylosummary.h"
-#include "knn.h"
 
 
 
@@ -32,6 +27,7 @@ vector<string> ClassifySeqsCommand::setParameters(){
                CommandParameter pmismatch("mismatch", "Number", "", "-1.0", "", "", "",false,false); parameters.push_back(pmismatch);
                CommandParameter pgapopen("gapopen", "Number", "", "-2.0", "", "", "",false,false); parameters.push_back(pgapopen);
                CommandParameter pgapextend("gapextend", "Number", "", "-1.0", "", "", "",false,false); parameters.push_back(pgapextend);
+               //CommandParameter pflip("flip", "Boolean", "", "F", "", "", "",false,false); parameters.push_back(pflip);
                CommandParameter pcutoff("cutoff", "Number", "", "0", "", "", "",false,true); parameters.push_back(pcutoff);
                CommandParameter pprobs("probs", "Boolean", "", "T", "", "", "",false,false); parameters.push_back(pprobs);
                CommandParameter piters("iters", "Number", "", "100", "", "", "",false,true); parameters.push_back(piters);
@@ -74,6 +70,7 @@ string ClassifySeqsCommand::getHelpString(){
                helpString += "The cutoff parameter allows you to specify a bootstrap confidence threshold for your taxonomy.  The default is 0.\n";
                helpString += "The probs parameter shuts off the bootstrapping results for the bayesian method. The default is true, meaning you want the bootstrapping to be shown.\n";
                helpString += "The iters parameter allows you to specify how many iterations to do when calculating the bootstrap confidence score for your taxonomy with the bayesian method.  The default is 100.\n";
+               //helpString += "The flip parameter allows you shut off mothur's   The default is T.\n";
                helpString += "The classify.seqs command should be in the following format: \n";
                helpString += "classify.seqs(reference=yourTemplateFile, fasta=yourFastaFile, method=yourClassificationMethod, search=yourSearchmethod, ksize=yourKmerSize, taxonomy=yourTaxonomyFile, processors=yourProcessors) \n";
                helpString += "Example classify.seqs(fasta=amazon.fasta, reference=core.filtered, method=knn, search=gotoh, ksize=8, processors=2)\n";
@@ -94,6 +91,7 @@ ClassifySeqsCommand::ClassifySeqsCommand(){
                setParameters();
                vector<string> tempOutNames;
                outputTypes["taxonomy"] = tempOutNames;
+               outputTypes["accnos"] = tempOutNames;
                outputTypes["taxsummary"] = tempOutNames;
                outputTypes["matchdist"] = tempOutNames;
        }
@@ -131,6 +129,7 @@ ClassifySeqsCommand::ClassifySeqsCommand(string option)  {
                        outputTypes["taxonomy"] = tempOutNames;
                        outputTypes["taxsummary"] = tempOutNames;
                        outputTypes["matchdist"] = tempOutNames;
+                       outputTypes["accnos"] = tempOutNames;
                        
                        //if the user changes the output directory command factory will send this info to us in the output parameter 
                        outputDir = validParameter.validFile(parameters, "outputdir", false);           if (outputDir == "not found"){  outputDir = "";         }
@@ -379,7 +378,11 @@ ClassifySeqsCommand::ClassifySeqsCommand(string option)  {
                        // ...at some point should added some additional type checking...
                        string temp;
                        temp = validParameter.validFile(parameters, "ksize", false);            if (temp == "not found"){       temp = "8";                             }
-                       convert(temp, kmerSize); 
+                       m->mothurConvert(temp, kmerSize); 
+                       
+                       temp = validParameter.validFile(parameters, "processors", false);       if (temp == "not found"){       temp = m->getProcessors();      }
+                       m->setProcessors(temp);
+                       m->mothurConvert(temp, processors); 
                        
                        temp = validParameter.validFile(parameters, "save", false);                     if (temp == "not found"){       temp = "f";                             }
                        save = m->isTrue(temp); 
@@ -416,44 +419,49 @@ ClassifySeqsCommand::ClassifySeqsCommand(string option)  {
                        }else if (taxonomyFileName == "not open") { abort = true; }     
                        else {  if (save) {     rdb->setSavedTaxonomy(taxonomyFileName);        }       }
                        
-                       temp = validParameter.validFile(parameters, "processors", false);       if (temp == "not found"){       temp = m->getProcessors();      }
-                       m->setProcessors(temp);
-                       convert(temp, processors); 
-                       
                        search = validParameter.validFile(parameters, "search", false);         if (search == "not found"){     search = "kmer";                }
                        
                        method = validParameter.validFile(parameters, "method", false);         if (method == "not found"){     method = "bayesian";    }
                        
                        temp = validParameter.validFile(parameters, "match", false);            if (temp == "not found"){       temp = "1.0";                   }
-                       convert(temp, match);  
+                       m->mothurConvert(temp, match);  
                        
                        temp = validParameter.validFile(parameters, "mismatch", false);         if (temp == "not found"){       temp = "-1.0";                  }
-                       convert(temp, misMatch);  
+                       m->mothurConvert(temp, misMatch);  
                        
                        temp = validParameter.validFile(parameters, "gapopen", false);          if (temp == "not found"){       temp = "-2.0";                  }
-                       convert(temp, gapOpen);  
+                       m->mothurConvert(temp, gapOpen);  
                        
                        temp = validParameter.validFile(parameters, "gapextend", false);        if (temp == "not found"){       temp = "-1.0";                  }
-                       convert(temp, gapExtend); 
+                       m->mothurConvert(temp, gapExtend); 
                        
                        temp = validParameter.validFile(parameters, "numwanted", false);        if (temp == "not found"){       temp = "10";                    }
-                       convert(temp, numWanted);
+                       m->mothurConvert(temp, numWanted);
                        
                        temp = validParameter.validFile(parameters, "cutoff", false);           if (temp == "not found"){       temp = "0";                             }
-                       convert(temp, cutoff);
+                       m->mothurConvert(temp, cutoff);
                        
                        temp = validParameter.validFile(parameters, "probs", false);            if (temp == "not found"){       temp = "true";                  }
                        probs = m->isTrue(temp);
                        
+                       //temp = validParameter.validFile(parameters, "flip", false);                   if (temp == "not found"){       temp = "T";                             }
+                       //flip = m->isTrue(temp); 
+                       flip = true;
+                       
                        temp = validParameter.validFile(parameters, "iters", false);            if (temp == "not found") { temp = "100";                        }
-                       convert(temp, iters); 
-
+                       m->mothurConvert(temp, iters); 
 
                        
                        if ((method == "bayesian") && (search != "kmer"))  { 
                                m->mothurOut("The bayesian method requires the kmer search." + search + "will be disregarded." ); m->mothurOutEndLine();
                                search = "kmer";
                        }
+                       
+                       if (namefileNames.size() == 0){
+                               vector<string> files; files.push_back(fastaFileNames[fastaFileNames.size()-1]); 
+                               parser.getNameFile(files);
+                       }
+                       
                }
                
        }
@@ -475,16 +483,15 @@ int ClassifySeqsCommand::execute(){
        try {
                if (abort == true) { if (calledHelp) { return 0; }  return 2;   }
                
-               if(method == "bayesian"){       classify = new Bayesian(taxonomyFileName, templateFileName, search, kmerSize, cutoff, iters, rand());           }
+               if(method == "bayesian"){       classify = new Bayesian(taxonomyFileName, templateFileName, search, kmerSize, cutoff, iters, rand(), flip);             }
                else if(method == "knn"){       classify = new Knn(taxonomyFileName, templateFileName, search, kmerSize, gapOpen, gapExtend, match, misMatch, numWanted, rand());                               }
                else {
                        m->mothurOut(search + " is not a valid method option. I will run the command using bayesian.");
                        m->mothurOutEndLine();
-                       classify = new Bayesian(taxonomyFileName, templateFileName, search, kmerSize, cutoff, iters, rand());   
+                       classify = new Bayesian(taxonomyFileName, templateFileName, search, kmerSize, cutoff, iters, rand(), flip);     
                }
                
                if (m->control_pressed) { delete classify; return 0; }
-               
                                
                for (int s = 0; s < fastaFileNames.size(); s++) {
                
@@ -500,6 +507,7 @@ int ClassifySeqsCommand::execute(){
                
                        if (outputDir == "") { outputDir += m->hasPath(fastaFileNames[s]); }
                        string newTaxonomyFile = outputDir + m->getRootName(m->getSimpleName(fastaFileNames[s])) + RippedTaxName + "taxonomy";
+                       string newaccnosFile = outputDir + m->getRootName(m->getSimpleName(fastaFileNames[s])) + RippedTaxName + "flip.accnos";
                        string tempTaxonomyFile = outputDir + m->getRootName(m->getSimpleName(fastaFileNames[s])) + "taxonomy.temp";
                        string taxSummary = outputDir + m->getRootName(m->getSimpleName(fastaFileNames[s])) + RippedTaxName + "tax.summary";
                        
@@ -509,6 +517,7 @@ int ClassifySeqsCommand::execute(){
                        }
                        
                        outputNames.push_back(newTaxonomyFile); outputTypes["taxonomy"].push_back(newTaxonomyFile);
+                       outputNames.push_back(newaccnosFile); outputTypes["accnos"].push_back(newaccnosFile);
                        outputNames.push_back(taxSummary);      outputTypes["taxsummary"].push_back(taxSummary);
                        
                        int start = time(NULL);
@@ -518,7 +527,7 @@ int ClassifySeqsCommand::execute(){
 #ifdef USE_MPI 
                                int pid, numSeqsPerProcessor; 
                                int tag = 2001;
-                               vector<unsigned long int> MPIPos;
+                               vector<unsigned long long> MPIPos;
                                
                                MPI_Status status; 
                                MPI_Comm_rank(MPI_COMM_WORLD, &pid); //find out who we are
@@ -527,6 +536,7 @@ int ClassifySeqsCommand::execute(){
                                MPI_File inMPI;
                                MPI_File outMPINewTax;
                                MPI_File outMPITempTax;
+                               MPI_File outMPIAcc;
                                                        
                                int outMode=MPI_MODE_CREATE|MPI_MODE_WRONLY; 
                                int inMode=MPI_MODE_RDONLY; 
@@ -536,6 +546,9 @@ int ClassifySeqsCommand::execute(){
                                
                                char outTempTax[1024];
                                strcpy(outTempTax, tempTaxonomyFile.c_str());
+                       
+                               char outAcc[1024];
+                               strcpy(outAcc, newaccnosFile.c_str());
                                
                                char inFileName[1024];
                                strcpy(inFileName, fastaFileNames[s].c_str());
@@ -543,8 +556,9 @@ int ClassifySeqsCommand::execute(){
                                MPI_File_open(MPI_COMM_WORLD, inFileName, inMode, MPI_INFO_NULL, &inMPI);  //comm, filename, mode, info, filepointer
                                MPI_File_open(MPI_COMM_WORLD, outNewTax, outMode, MPI_INFO_NULL, &outMPINewTax);
                                MPI_File_open(MPI_COMM_WORLD, outTempTax, outMode, MPI_INFO_NULL, &outMPITempTax);
+                               MPI_File_open(MPI_COMM_WORLD, outAcc, outMode, MPI_INFO_NULL, &outMPIAcc);
                                
-                               if (m->control_pressed) { outputTypes.clear(); MPI_File_close(&inMPI);  MPI_File_close(&outMPINewTax);   MPI_File_close(&outMPITempTax);  delete classify; return 0;  }
+                               if (m->control_pressed) { outputTypes.clear(); MPI_File_close(&inMPI);  MPI_File_close(&outMPINewTax);  MPI_File_close(&outMPIAcc);   MPI_File_close(&outMPITempTax);  delete classify;  return 0;  }
                                
                                if (pid == 0) { //you are the root process 
                                        
@@ -563,9 +577,9 @@ int ClassifySeqsCommand::execute(){
                                        
                                
                                        //align your part
-                                       driverMPI(startIndex, numSeqsPerProcessor, inMPI, outMPINewTax, outMPITempTax, MPIPos);
+                                       driverMPI(startIndex, numSeqsPerProcessor, inMPI, outMPINewTax, outMPITempTax, outMPIAcc, MPIPos);
                                        
-                                       if (m->control_pressed) {  outputTypes.clear(); MPI_File_close(&inMPI);  MPI_File_close(&outMPINewTax);   MPI_File_close(&outMPITempTax);  for (int i = 0; i < outputNames.size(); i++) {       m->mothurRemove(outputNames[i]);        } delete classify; return 0;  }
+                                       if (m->control_pressed) {  outputTypes.clear(); MPI_File_close(&inMPI);  MPI_File_close(&outMPINewTax); MPI_File_close(&outMPIAcc);   MPI_File_close(&outMPITempTax);  for (int i = 0; i < outputNames.size(); i++) {   m->mothurRemove(outputNames[i]);        } delete classify; return 0;  }
                                        
                                        for (int i = 1; i < processors; i++) {
                                                int done;
@@ -583,9 +597,9 @@ int ClassifySeqsCommand::execute(){
                                        
                                        
                                        //align your part
-                                       driverMPI(startIndex, numSeqsPerProcessor, inMPI, outMPINewTax, outMPITempTax, MPIPos);
+                                       driverMPI(startIndex, numSeqsPerProcessor, inMPI, outMPINewTax, outMPITempTax, outMPIAcc, MPIPos);
                                        
-                                       if (m->control_pressed) {  outputTypes.clear(); MPI_File_close(&inMPI);  MPI_File_close(&outMPINewTax);   MPI_File_close(&outMPITempTax);  delete classify; return 0;  }
+                                       if (m->control_pressed) {  outputTypes.clear(); MPI_File_close(&inMPI);  MPI_File_close(&outMPINewTax);  MPI_File_close(&outMPIAcc);  MPI_File_close(&outMPITempTax);  delete classify; return 0;  }
 
                                        int done = 0;
                                        MPI_Send(&done, 1, MPI_INT, 0, tag, MPI_COMM_WORLD); 
@@ -595,35 +609,44 @@ int ClassifySeqsCommand::execute(){
                                MPI_File_close(&inMPI);
                                MPI_File_close(&outMPINewTax);
                                MPI_File_close(&outMPITempTax);
+                               MPI_File_close(&outMPIAcc); 
                                MPI_Barrier(MPI_COMM_WORLD); //make everyone wait - just in case
                                
 #else
                
-                       vector<unsigned long int> positions = m->divideFile(fastaFileNames[s], processors);
+                       vector<unsigned long long> positions; 
+#if defined (__APPLE__) || (__MACH__) || (linux) || (__linux)
+                       positions = m->divideFile(fastaFileNames[s], processors);
+                       for (int i = 0; i < (positions.size()-1); i++) {        lines.push_back(new linePair(positions[i], positions[(i+1)]));  }
+#else
+                       if (processors == 1) {
+                               lines.push_back(new linePair(0, 1000));
+                       }else {
+                               positions = m->setFilePosFasta(fastaFileNames[s], numFastaSeqs); 
                                
-                       for (int i = 0; i < (positions.size()-1); i++) {
-                               lines.push_back(new linePair(positions[i], positions[(i+1)]));
-                       }       
-                       
-               #if defined (__APPLE__) || (__MACH__) || (linux) || (__linux)
-                       if(processors == 1){
-                               numFastaSeqs = driver(lines[0], newTaxonomyFile, tempTaxonomyFile, fastaFileNames[s]);
+                               //figure out how many sequences you have to process
+                               int numSeqsPerProcessor = numFastaSeqs / processors;
+                               for (int i = 0; i < processors; i++) {
+                                       int startIndex =  i * numSeqsPerProcessor;
+                                       if(i == (processors - 1)){      numSeqsPerProcessor = numFastaSeqs - i * numSeqsPerProcessor;   }
+                                       lines.push_back(new linePair(positions[startIndex], numSeqsPerProcessor));
+                               }
                        }
-                       else{
-                               processIDS.resize(0);
-                               
-                               numFastaSeqs = createProcesses(newTaxonomyFile, tempTaxonomyFile, fastaFileNames[s]); 
-                               
+#endif
+                       if(processors == 1){
+                               numFastaSeqs = driver(lines[0], newTaxonomyFile, tempTaxonomyFile, newaccnosFile, fastaFileNames[s]);
+                       }else{
+                               numFastaSeqs = createProcesses(newTaxonomyFile, tempTaxonomyFile, newaccnosFile, fastaFileNames[s]); 
                        }
-       #else
-                       numFastaSeqs = driver(lines[0], newTaxonomyFile, tempTaxonomyFile, fastaFileNames[s]);
-       #endif  
 #endif
+                       
+                       if (!m->isBlank(newaccnosFile)) { m->mothurOutEndLine(); m->mothurOut("[WARNING]: mothur suspects some of your sequences may be reversed, please check " + newaccnosFile + " for the list of the sequences."); m->mothurOutEndLine(); }
 
                m->mothurOutEndLine();
                m->mothurOut("It took " + toString(time(NULL) - start) + " secs to classify " + toString(numFastaSeqs) + " sequences."); m->mothurOutEndLine(); m->mothurOutEndLine();
                start = time(NULL);
-
+               
+               
 
                #ifdef USE_MPI  
                        if (pid == 0) {  //this part does not need to be paralellized
@@ -745,7 +768,14 @@ int ClassifySeqsCommand::execute(){
                        if ((itTypes->second).size() != 0) { current = (itTypes->second)[0]; m->setTaxonomyFile(current); }
                }
                
+               current = "";
+               itTypes = outputTypes.find("accnos");
+               if (itTypes != outputTypes.end()) {
+                       if ((itTypes->second).size() != 0) { current = (itTypes->second)[0]; m->setAccnosFile(current); }
+               }
+               
                delete classify;
+               
                return 0;
        }
        catch(exception& e) {
@@ -785,11 +815,14 @@ string ClassifySeqsCommand::addUnclassifieds(string tax, int maxlevel) {
 
 /**************************************************************************************************/
 
-int ClassifySeqsCommand::createProcesses(string taxFileName, string tempTaxFile, string filename) {
+int ClassifySeqsCommand::createProcesses(string taxFileName, string tempTaxFile, string accnos, string filename) {
        try {
+               
+               int num = 0;
+               processIDS.clear();
+               
 #if defined (__APPLE__) || (__MACH__) || (linux) || (__linux)
                int process = 1;
-               int num = 0;
                
                //loop through and create all the processes you want
                while (process != processors) {
@@ -799,7 +832,7 @@ int ClassifySeqsCommand::createProcesses(string taxFileName, string tempTaxFile,
                                processIDS.push_back(pid);  //create map from line number to pid so you can append files in correct order later
                                process++;
                        }else if (pid == 0){
-                               num = driver(lines[process], taxFileName + toString(getpid()) + ".temp", tempTaxFile + toString(getpid()) + ".temp", filename);
+                               num = driver(lines[process], taxFileName + toString(getpid()) + ".temp", tempTaxFile + toString(getpid()) + ".temp", accnos + toString(getpid()) + ".temp", filename);
 
                                //pass numSeqs to parent
                                ofstream out;
@@ -817,7 +850,7 @@ int ClassifySeqsCommand::createProcesses(string taxFileName, string tempTaxFile,
                }
                
                //parent does its part
-               num = driver(lines[0], taxFileName, tempTaxFile, filename);
+               num = driver(lines[0], taxFileName, tempTaxFile, accnos, filename);
                
                //force parent to wait until all the processes are done
                for (int i=0;i<processIDS.size();i++) { 
@@ -832,16 +865,58 @@ int ClassifySeqsCommand::createProcesses(string taxFileName, string tempTaxFile,
                        if (!in.eof()) { int tempNum = 0; in >> tempNum; num += tempNum; }
                        in.close(); m->mothurRemove(m->getFullPathName(tempFile));
                }
+#else
+               //////////////////////////////////////////////////////////////////////////////////////////////////////
+               //Windows version shared memory, so be careful when passing variables through the alignData struct. 
+               //Above fork() will clone, so memory is separate, but that's not the case with windows, 
+               //////////////////////////////////////////////////////////////////////////////////////////////////////
+               
+               vector<classifyData*> pDataArray; 
+               DWORD   dwThreadIdArray[processors-1];
+               HANDLE  hThreadArray[processors-1]; 
+               
+               //Create processor worker threads.
+               for( int i=0; i<processors-1; i++ ){
+                       // Allocate memory for thread data.
+                       string extension = "";
+                       if (i != 0) { extension = toString(i) + ".temp"; processIDS.push_back(i); }
+                       
+                       classifyData* tempclass = new classifyData((accnos + extension), probs, method, templateFileName, taxonomyFileName, (taxFileName + extension), (tempTaxFile + extension), filename, search, kmerSize, iters, numWanted, m, lines[i]->start, lines[i]->end, match, misMatch, gapOpen, gapExtend, cutoff, i, flipThreshold);
+                       pDataArray.push_back(tempclass);
+                       
+                       //MySeqSumThreadFunction is in header. It must be global or static to work with the threads.
+                       //default security attributes, thread function name, argument to thread function, use default creation flags, returns the thread identifier
+                       hThreadArray[i] = CreateThread(NULL, 0, MyClassThreadFunction, pDataArray[i], 0, &dwThreadIdArray[i]);  
+                       
+               }
+               
+               //parent does its part
+               num = driver(lines[processors-1], taxFileName + toString(processors-1) + ".temp", tempTaxFile + toString(processors-1) + ".temp", accnos + toString(processors-1) + ".temp", filename);
+               processIDS.push_back((processors-1));
+               
+               //Wait until all threads have terminated.
+               WaitForMultipleObjects(processors-1, hThreadArray, TRUE, INFINITE);
+               
+               //Close all thread handles and free memory allocations.
+               for(int i=0; i < pDataArray.size(); i++){
+                       num += pDataArray[i]->count;
+                       CloseHandle(hThreadArray[i]);
+                       delete pDataArray[i];
+               }
+               
+       #endif  
                
                for(int i=0;i<processIDS.size();i++){
                        appendTaxFiles((taxFileName + toString(processIDS[i]) + ".temp"), taxFileName);
                        appendTaxFiles((tempTaxFile + toString(processIDS[i]) + ".temp"), tempTaxFile);
+                       appendTaxFiles((accnos + toString(processIDS[i]) + ".temp"), accnos);
                        m->mothurRemove((m->getFullPathName(taxFileName) + toString(processIDS[i]) + ".temp"));
                        m->mothurRemove((m->getFullPathName(tempTaxFile) + toString(processIDS[i]) + ".temp"));
+                       m->mothurRemove((m->getFullPathName(accnos) + toString(processIDS[i]) + ".temp"));
                }
                
                return num;
-#endif         
+               
        }
        catch(exception& e) {
                m->errorOut(e, "ClassifySeqsCommand", "createProcesses");
@@ -874,13 +949,16 @@ void ClassifySeqsCommand::appendTaxFiles(string temp, string filename) {
 
 //**********************************************************************************************************************
 
-int ClassifySeqsCommand::driver(linePair* filePos, string taxFName, string tempTFName, string filename){
+int ClassifySeqsCommand::driver(linePair* filePos, string taxFName, string tempTFName, string accnos, string filename){
        try {
                ofstream outTax;
                m->openOutputFile(taxFName, outTax);
                
                ofstream outTaxSimple;
                m->openOutputFile(tempTFName, outTaxSimple);
+               
+               ofstream outAcc;
+               m->openOutputFile(accnos, outAcc);
        
                ifstream inFASTA;
                m->openInputFile(filename, inFASTA);
@@ -893,7 +971,11 @@ int ClassifySeqsCommand::driver(linePair* filePos, string taxFName, string tempT
                int count = 0;
                
                while (!done) {
-                       if (m->control_pressed) { return 0; }
+                       if (m->control_pressed) { 
+                               inFASTA.close();
+                               outTax.close();
+                               outTaxSimple.close();
+                               outAcc.close(); return 0; }
                
                        Sequence* candidateSeq = new Sequence(inFASTA); m->gobble(inFASTA);
                        
@@ -902,23 +984,26 @@ int ClassifySeqsCommand::driver(linePair* filePos, string taxFName, string tempT
                                taxonomy = classify->getTaxonomy(candidateSeq);
                                
                                if (m->control_pressed) { delete candidateSeq; return 0; }
-
-                               if (taxonomy != "bad seq") {
-                                       //output confidence scores or not
-                                       if (probs) {
-                                               outTax << candidateSeq->getName() << '\t' << taxonomy << endl;
-                                       }else{
-                                               outTax << candidateSeq->getName() << '\t' << classify->getSimpleTax() << endl;
-                                       }
-                                       
-                                       outTaxSimple << candidateSeq->getName() << '\t' << classify->getSimpleTax() << endl;
+                               
+                               if (taxonomy == "unknown;") { m->mothurOut("[WARNING]: " + candidateSeq->getName() + " could not be classified. You can use the remove.lineage command with taxon=unknown; to remove such sequences."); m->mothurOutEndLine(); }
+                               
+                               //output confidence scores or not
+                               if (probs) {
+                                       outTax << candidateSeq->getName() << '\t' << taxonomy << endl;
+                               }else{
+                                       outTax << candidateSeq->getName() << '\t' << classify->getSimpleTax() << endl;
                                }
+                               
+                               if (classify->getFlipped()) { outAcc << candidateSeq->getName() << endl; }
+                               
+                               outTaxSimple << candidateSeq->getName() << '\t' << classify->getSimpleTax() << endl;
+                               
                                count++;
                        }
                        delete candidateSeq;
                        
                        #if defined (__APPLE__) || (__MACH__) || (linux) || (__linux)
-                               unsigned long int pos = inFASTA.tellg();
+                               unsigned long long pos = inFASTA.tellg();
                                if ((pos == -1) || (pos >= filePos->end)) { break; }
                        #else
                                if (inFASTA.eof()) { break; }
@@ -934,6 +1019,7 @@ int ClassifySeqsCommand::driver(linePair* filePos, string taxFName, string tempT
                inFASTA.close();
                outTax.close();
                outTaxSimple.close();
+               outAcc.close();
                
                return count;
        }
@@ -944,10 +1030,11 @@ int ClassifySeqsCommand::driver(linePair* filePos, string taxFName, string tempT
 }
 //**********************************************************************************************************************
 #ifdef USE_MPI
-int ClassifySeqsCommand::driverMPI(int start, int num, MPI_File& inMPI, MPI_File& newFile, MPI_File& tempFile, vector<unsigned long int>& MPIPos){
+int ClassifySeqsCommand::driverMPI(int start, int num, MPI_File& inMPI, MPI_File& newFile, MPI_File& tempFile, MPI_File& accFile, vector<unsigned long long>& MPIPos){
        try {
                MPI_Status statusNew; 
                MPI_Status statusTemp; 
+               MPI_Status statusAcc; 
                MPI_Status status; 
                
                int pid;
@@ -975,29 +1062,40 @@ int ClassifySeqsCommand::driverMPI(int start, int num, MPI_File& inMPI, MPI_File
                        if (candidateSeq->getName() != "") {
                                taxonomy = classify->getTaxonomy(candidateSeq);
                                
-                               if (taxonomy != "bad seq") {
-                                       //output confidence scores or not
-                                       if (probs) {
-                                               outputString =  candidateSeq->getName() + "\t" + taxonomy + "\n";
-                                       }else{
-                                               outputString =  candidateSeq->getName() + "\t" + classify->getSimpleTax() + "\n";
-                                       }
-                                       
-                                       int length = outputString.length();
-                                       char* buf2 = new char[length];
-                                       memcpy(buf2, outputString.c_str(), length);
+                               if (taxonomy == "unknown;") { m->mothurOut("[WARNING]: " + candidateSeq->getName() + " could not be classified. You can use the remove.lineage command with taxon=unknown; to remove such sequences."); m->mothurOutEndLine(); }
                                
-                                       MPI_File_write_shared(newFile, buf2, length, MPI_CHAR, &statusNew);
-                                       delete buf2;
-
+                               //output confidence scores or not
+                               if (probs) {
+                                       outputString =  candidateSeq->getName() + "\t" + taxonomy + "\n";
+                               }else{
                                        outputString =  candidateSeq->getName() + "\t" + classify->getSimpleTax() + "\n";
-                                       length = outputString.length();
-                                       char* buf = new char[length];
-                                       memcpy(buf, outputString.c_str(), length);
+                               }
+                               
+                               int length = outputString.length();
+                               char* buf2 = new char[length];
+                               memcpy(buf2, outputString.c_str(), length);
+                               
+                               MPI_File_write_shared(newFile, buf2, length, MPI_CHAR, &statusNew);
+                               delete buf2;
+                               
+                               outputString =  candidateSeq->getName() + "\t" + classify->getSimpleTax() + "\n";
+                               length = outputString.length();
+                               char* buf = new char[length];
+                               memcpy(buf, outputString.c_str(), length);
                                
-                                       MPI_File_write_shared(tempFile, buf, length, MPI_CHAR, &statusTemp);
-                                       delete buf;
+                               MPI_File_write_shared(tempFile, buf, length, MPI_CHAR, &statusTemp);
+                               delete buf;
+                               
+                               if (classify->getFlipped()) { 
+                                       outputString =  candidateSeq->getName() + "\n";
+                                       length = outputString.length();
+                                       char* buf3 = new char[length];
+                                       memcpy(buf3, outputString.c_str(), length);
+                                       
+                                       MPI_File_write_shared(accFile, buf3, length, MPI_CHAR, &statusAcc);
+                                       delete buf3;
                                }
+                               
                        }                               
                        delete candidateSeq;