]> git.donarmstrong.com Git - mothur.git/blobdiff - seqerrorcommand.cpp
paralellized seq.error and dist.shared added some error checks to libshuff and dist...
[mothur.git] / seqerrorcommand.cpp
index d06a5addf90f74334224a4220e64ea4f0320dedf..2774922a78d43f08186d15d29e15632b2af76de8 100644 (file)
@@ -11,6 +11,7 @@
 #include "reportfile.h"
 #include "qualityscores.h"
 #include "refchimeratest.h"
+#include "filterseqscommand.h"
 
 //**********************************************************************************************************************
 vector<string> SeqErrorCommand::setParameters(){       
@@ -23,6 +24,7 @@ vector<string> SeqErrorCommand::setParameters(){
                CommandParameter pignorechimeras("ignorechimeras", "Boolean", "", "T", "", "", "",false,false); parameters.push_back(pignorechimeras);
                CommandParameter pthreshold("threshold", "Number", "", "1.0", "", "", "",false,false); parameters.push_back(pthreshold);
                CommandParameter pprocessors("processors", "Number", "", "1", "", "", "",false,false); parameters.push_back(pprocessors);
+               CommandParameter pfilter("filter", "Boolean", "", "T", "", "", "",false,false); parameters.push_back(pfilter);
                CommandParameter pinputdir("inputdir", "String", "", "", "", "", "",false,false); parameters.push_back(pinputdir);
                CommandParameter poutputdir("outputdir", "String", "", "", "", "", "",false,false); parameters.push_back(poutputdir);
                
@@ -199,8 +201,11 @@ SeqErrorCommand::SeqErrorCommand(string option)  {
                        temp = validParameter.validFile(parameters, "threshold", false);        if (temp == "not found") { temp = "1.00"; }
                        convert(temp, threshold);  
                        
-                       temp = validParameter.validFile(parameters, "ignorechimeras", false);   if (temp == "not found") { temp = "1"; }
-                       convert(temp, ignoreChimeras);  
+                       temp = validParameter.validFile(parameters, "ignorechimeras", false);   if (temp == "not found") { temp = "T"; }
+                       ignoreChimeras = m->isTrue(temp);
+                       
+                       temp = validParameter.validFile(parameters, "filter", false);   if (temp == "not found") { temp = "T"; }
+                       filter = m->isTrue(temp);  
                        
                        temp = validParameter.validFile(parameters, "processors", false);       if (temp == "not found"){       temp = m->getProcessors();      }
                        m->setProcessors(temp);
@@ -220,96 +225,443 @@ SeqErrorCommand::SeqErrorCommand(string option)  {
 int SeqErrorCommand::execute(){
        try{
                if (abort == true) { if (calledHelp) { return 0; }  return 2;   }
-
+               
+               int start = time(NULL);
                maxLength = 2000;
+               totalBases = 0;
+               totalMatches = 0;
+
+               //run vertical filter on query and reference files.
+               if (filter) {
+                       string inputString = "fasta=" + queryFileName + "-" + referenceFileName;
+                       m->mothurOut("/******************************************/"); m->mothurOutEndLine(); 
+                       m->mothurOut("Running command: filter.seqs(" + inputString + ") to improve processing time."); m->mothurOutEndLine(); 
+                       
+                       Command* filterCommand = new FilterSeqsCommand(inputString);
+                       filterCommand->execute();
+                       
+                       map<string, vector<string> > filenames = filterCommand->getOutputFiles();
+                       
+                       delete filterCommand;
+                       
+                       m->mothurOut("/******************************************/"); m->mothurOutEndLine(); 
+                       
+                       queryFileName = filenames["fasta"][0];
+                       referenceFileName = filenames["fasta"][1];
+               }
                
                string errorSummaryFileName = queryFileName.substr(0,queryFileName.find_last_of('.')) + ".error.summary";
-               m->openOutputFile(errorSummaryFileName, errorSummaryFile);
                outputNames.push_back(errorSummaryFileName); outputTypes["error.summary"].push_back(errorSummaryFileName);
-               printErrorHeader();
-               
+                       
                string errorSeqFileName = queryFileName.substr(0,queryFileName.find_last_of('.')) + ".error.seq";
-               m->openOutputFile(errorSeqFileName, errorSeqFile);
                outputNames.push_back(errorSeqFileName); outputTypes["error.seq"].push_back(errorSeqFileName);
-
+               
+               string errorChimeraFileName = queryFileName.substr(0,queryFileName.find_last_of('.')) + ".error.chimera";
+               outputNames.push_back(errorChimeraFileName); outputTypes["error.chimera"].push_back(errorChimeraFileName);
+               
                getReferences();        //read in reference sequences - make sure there's no ambiguous bases
 
-               map<string, int> weights;
                if(namesFileName != ""){        weights = getWeights(); }
                
-               ifstream queryFile;
-               m->openInputFile(queryFileName, queryFile);
+               vector<unsigned long int> fastaFilePos;
+               vector<unsigned long int> qFilePos;
+               vector<unsigned long int> reportFilePos;
                
-               ifstream reportFile;
-               ifstream qualFile;
+               setLines(queryFileName, qualFileName, reportFileName, fastaFilePos, qFilePos, reportFilePos);
+               
+               if (m->control_pressed) { return 0; }
+               
+               for (int i = 0; i < (fastaFilePos.size()-1); i++) {
+                       lines.push_back(linePair(fastaFilePos[i], fastaFilePos[(i+1)]));
+                       if (qualFileName != "") {  qLines.push_back(linePair(qFilePos[i], qFilePos[(i+1)]));  }
+                       if (reportFileName != "") {  rLines.push_back(linePair(reportFilePos[i], reportFilePos[(i+1)]));  }
+               }       
+               if(qualFileName == "")  {       qLines = lines; rLines = lines; } //fills with duds
+               
+               int numSeqs = 0;
+#if defined (__APPLE__) || (__MACH__) || (linux) || (__linux)
+               if(processors == 1){
+                       numSeqs = driver(queryFileName, qualFileName, reportFileName, errorSummaryFileName, errorSeqFileName, errorChimeraFileName, lines[0], qLines[0], rLines[0]);
+               }else{
+                       numSeqs = createProcesses(queryFileName, qualFileName, reportFileName, errorSummaryFileName, errorSeqFileName, errorChimeraFileName);
+               }       
+#else
+               numSeqs = driver(queryFileName, qualFileName, reportFileName, errorSummaryFileName, errorSeqFileName, errorChimeraFileName, lines[0], qLines[0], rLines[0]);
+#endif
+               
+               if(qualFileName != "" && reportFileName != ""){         
+                       printErrorQuality(qScoreErrorMap);
+                       printQualityFR(qualForwardMap, qualReverseMap);
+               }
+               
+               printErrorFRFile(errorForward, errorReverse);
+               
+               if (m->control_pressed) { for (int i = 0; i < outputNames.size(); i++) { remove(outputNames[i].c_str()); } return 0; }
 
-               ReportFile report;
-               QualityScores quality;
-               vector<vector<int> > qualForwardMap;
-               vector<vector<int> > qualReverseMap;
+               string errorCountFileName = queryFileName.substr(0,queryFileName.find_last_of('.')) + ".error.count";
+               ofstream errorCountFile;
+               m->openOutputFile(errorCountFileName, errorCountFile);
+               outputNames.push_back(errorCountFileName);  outputTypes["error.count"].push_back(errorCountFileName);
+               m->mothurOut("Overall error rate:\t" + toString((double)(totalBases - totalMatches) / (double)totalBases) + "\n");
+               m->mothurOut("Errors\tSequences\n");
+               errorCountFile << "Errors\tSequences\n";                
+               for(int i=0;i<misMatchCounts.size();i++){
+                       m->mothurOut(toString(i) + '\t' + toString(misMatchCounts[i]) + '\n');
+                       errorCountFile << i << '\t' << misMatchCounts[i] << endl;
+               }
+               errorCountFile.close();
+               
+               if (m->control_pressed) { for (int i = 0; i < outputNames.size(); i++) { remove(outputNames[i].c_str()); } return 0; }
+
+               printSubMatrix();
+                               
+               string megAlignmentFileName = queryFileName.substr(0,queryFileName.find_last_of('.')) + ".error.ref-query";
+               ofstream megAlignmentFile;
+               m->openOutputFile(megAlignmentFileName, megAlignmentFile);
+               outputNames.push_back(megAlignmentFileName);  outputTypes["error.ref-query"].push_back(megAlignmentFileName);
+               
+               for(int i=0;i<numRefs;i++){
+                       megAlignmentFile << referenceSeqs[i].getInlineSeq() << endl;
+                       megAlignmentFile << megaAlignVector[i] << endl;
+               }
+               
+               m->mothurOut("It took " + toString(time(NULL) - start) + " secs to check " + toString(numSeqs) + " sequences.");
+               m->mothurOutEndLine();
+               
+               m->mothurOutEndLine();
+               m->mothurOut("Output File Names: "); m->mothurOutEndLine();
+               for (int i = 0; i < outputNames.size(); i++) { m->mothurOut(outputNames[i]); m->mothurOutEndLine(); }
+               m->mothurOutEndLine();
+               
+               return 0;       
+       }
+       catch(exception& e) {
+               m->errorOut(e, "SeqErrorCommand", "execute");
+               exit(1);
+       }
+}
+//**********************************************************************************************************************
+int SeqErrorCommand::createProcesses(string filename, string qFileName, string rFileName, string summaryFileName, string errorOutputFileName, string chimeraOutputFileName) {  
+       try {
+               int process = 1;
+               processIDS.clear();
+               map<char, vector<int> >::iterator it;
+               int num = 0;
                
-               if(qualFileName != "" && reportFileName != ""){
-                       m->openInputFile(qualFileName, qualFile);
-                       report = ReportFile(reportFile, reportFileName);
+               //loop through and create all the processes you want
+               while (process != processors) {
+                       int pid = fork();
                        
-                       qualForwardMap.resize(maxLength);
-                       qualReverseMap.resize(maxLength);
-                       for(int i=0;i<maxLength;i++){
-                               qualForwardMap[i].assign(41,0);
-                               qualReverseMap[i].assign(41,0);
-                       }                               
+                       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){
+                               
+                               num = driver(filename, qFileName, rFileName, summaryFileName + toString(getpid()) + ".temp", errorOutputFileName+ toString(getpid()) + ".temp", chimeraOutputFileName + toString(getpid()) + ".temp", lines[process], qLines[process], rLines[process]);
+                               
+                               //pass groupCounts to parent
+                               ofstream out;
+                               string tempFile = filename + toString(getpid()) + ".info.temp";
+                               m->openOutputFile(tempFile, out);
+                               
+                               //output totalBases and totalMatches
+                               out << num << '\t' << totalBases << '\t' << totalMatches << endl << endl;
+                               
+                               //output substitutionMatrix
+                               for(int i = 0; i < substitutionMatrix.size(); i++) {
+                                       for (int j = 0; j < substitutionMatrix[i].size(); j++) {
+                                               out << substitutionMatrix[i][j] << '\t';
+                                       }
+                                       out << endl;
+                               }
+                               out << endl;
+                               
+                               //output qScoreErrorMap
+                               for (it = qScoreErrorMap.begin(); it != qScoreErrorMap.end(); it++) {
+                                       vector<int> thisScoreErrorMap = it->second;
+                                       out << it->first << '\t';
+                                       for (int i = 0; i < thisScoreErrorMap.size(); i++) {
+                                               out << thisScoreErrorMap[i] << '\t';
+                                       }
+                                       out << endl;
+                               }
+                               out << endl;
+                               
+                               //output qualForwardMap
+                               for(int i = 0; i < qualForwardMap.size(); i++) {
+                                       for (int j = 0; j < qualForwardMap[i].size(); j++) {
+                                               out << qualForwardMap[i][j] << '\t';
+                                       }
+                                       out << endl;
+                               }
+                               out << endl;
+                               
+                               //output qualReverseMap
+                               for(int i = 0; i < qualReverseMap.size(); i++) {
+                                       for (int j = 0; j < qualReverseMap[i].size(); j++) {
+                                               out << qualReverseMap[i][j] << '\t';
+                                       }
+                                       out << endl;
+                               }
+                               out << endl;
+                               
+                               
+                               //output errorForward
+                               for (it = errorForward.begin(); it != errorForward.end(); it++) {
+                                       vector<int> thisErrorForward = it->second;
+                                       out << it->first << '\t';
+                                       for (int i = 0; i < thisErrorForward.size(); i++) {
+                                               out << thisErrorForward[i] << '\t';
+                                       }
+                                       out << endl;
+                               }
+                               out << endl;
+                               
+                               //output errorReverse
+                               for (it = errorReverse.begin(); it != errorReverse.end(); it++) {
+                                       vector<int> thisErrorReverse = it->second;
+                                       out << it->first << '\t';
+                                       for (int i = 0; i < thisErrorReverse.size(); i++) {
+                                               out << thisErrorReverse[i] << '\t';
+                                       }
+                                       out << endl;
+                               }
+                               out << endl;
+                               
+                               //output misMatchCounts
+                               out << misMatchCounts.size() << endl;
+                               for (int j = 0; j < misMatchCounts.size(); j++) {
+                                       out << misMatchCounts[j] << '\t';
+                               }
+                               out << endl;
+                               
+                               
+                               //output megaAlignVector
+                               for (int j = 0; j < megaAlignVector.size(); j++) {
+                                       out << megaAlignVector[j] << endl;
+                               }
+                               out << endl;
+                               
+                               out.close();
+                               
+                               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);
+                       }
+               }
+               
+               //do my part
+               num = driver(filename, qFileName, rFileName, summaryFileName, errorOutputFileName, chimeraOutputFileName, lines[0], qLines[0], rLines[0]);
+               
+               //force parent to wait until all the processes are done
+               for (int i=0;i<processIDS.size();i++) { 
+                       int temp = processIDS[i];
+                       wait(&temp);
                }
                
-               int totalBases = 0;
-               int totalMatches = 0;
+               //append files
+               for(int i=0;i<processIDS.size();i++){
+                       
+                       m->mothurOut("Appending files from process " + toString(processIDS[i])); m->mothurOutEndLine();
+                       
+                       m->appendFiles((summaryFileName + toString(processIDS[i]) + ".temp"), summaryFileName);
+                       remove((summaryFileName + toString(processIDS[i]) + ".temp").c_str());
+                       m->appendFiles((errorOutputFileName + toString(processIDS[i]) + ".temp"), errorOutputFileName);
+                       remove((errorOutputFileName + toString(processIDS[i]) + ".temp").c_str());
+                       m->appendFiles((chimeraOutputFileName + toString(processIDS[i]) + ".temp"), chimeraOutputFileName);
+                       remove((chimeraOutputFileName + toString(processIDS[i]) + ".temp").c_str());
+                       
+                       ifstream in;
+                       string tempFile =  filename + toString(processIDS[i]) + ".info.temp";
+                       m->openInputFile(tempFile, in);
+                       
+                       //input totalBases and totalMatches
+                       int tempBases, tempMatches, tempNumSeqs;
+                       in >> tempNumSeqs >> tempBases >> tempMatches; m->gobble(in);
+                       totalBases += tempBases; totalMatches += tempMatches; num += tempNumSeqs;
+                       
+                       //input substitutionMatrix
+                       int tempNum;
+                       for(int i = 0; i < substitutionMatrix.size(); i++) {
+                               for (int j = 0; j < substitutionMatrix[i].size(); j++) {
+                                       in >> tempNum; substitutionMatrix[i][j] += tempNum;
+                               }
+                               m->gobble(in);
+                       }
+                       m->gobble(in);
+                       
+                       //input qScoreErrorMap
+                       char first;
+                       for (int i = 0; i < qScoreErrorMap.size(); i++) {
+                               in >> first;
+                               vector<int> thisScoreErrorMap = qScoreErrorMap[first];
+                               
+                               for (int i = 0; i < thisScoreErrorMap.size(); i++) {
+                                       in >> tempNum; thisScoreErrorMap[i] += tempNum;
+                               }
+                               qScoreErrorMap[first] = thisScoreErrorMap;
+                               m->gobble(in);
+                       }
+                       m->gobble(in);
+                       
+                       //input qualForwardMap
+                       for(int i = 0; i < qualForwardMap.size(); i++) {
+                               for (int j = 0; j < qualForwardMap[i].size(); j++) {
+                                       in >> tempNum; qualForwardMap[i][j] += tempNum;
+                               }
+                               m->gobble(in);
+                       }
+                       m->gobble(in);
+                       
+                       //input qualReverseMap
+                       for(int i = 0; i < qualReverseMap.size(); i++) {
+                               for (int j = 0; j < qualReverseMap[i].size(); j++) {
+                                       in >> tempNum; qualReverseMap[i][j] += tempNum;
+                               }
+                               m->gobble(in);
+                       }
+                       m->gobble(in);
+                       
+                       //input errorForward
+                       for (int i = 0; i < errorForward.size(); i++) {
+                               in >> first;
+                               vector<int> thisErrorForward = errorForward[first];
+                               
+                               for (int i = 0; i < thisErrorForward.size(); i++) {
+                                       in >> tempNum; thisErrorForward[i] += tempNum;
+                               }
+                               errorForward[first] = thisErrorForward;
+                               m->gobble(in);
+                       }
+                       m->gobble(in);
+                       
+                       //input errorReverse
+                       for (int i = 0; i < errorReverse.size(); i++) {
+                               in >> first;
+                               vector<int> thisErrorReverse = errorReverse[first];
+                               
+                               for (int i = 0; i < thisErrorReverse.size(); i++) {
+                                       in >> tempNum; thisErrorReverse[i] += tempNum;
+                               }
+                               errorReverse[first] = thisErrorReverse;
+                               m->gobble(in);
+                       }
+                       m->gobble(in);
+                       
+                       //input misMatchCounts
+                       int misMatchSize;
+                       in >> misMatchSize; m->gobble(in);
+                       if (misMatchSize > misMatchCounts.size()) {     misMatchCounts.resize(misMatchSize, 0); }
+                       for (int j = 0; j < misMatchCounts.size(); j++) {
+                               in >> tempNum; misMatchCounts[j] += tempNum;
+                       }
+                       m->gobble(in);
+                       
+                       //input megaAlignVector
+                       string thisLine;
+                       for (int j = 0; j < megaAlignVector.size(); j++) {
+                               thisLine = m->getline(in); m->gobble(in); megaAlignVector[j] += thisLine + '\n';
+                       }
+                       m->gobble(in);
+                       
+                       in.close(); remove(tempFile.c_str());
+                       
+               }
+               
+               return num;
+       }
+       catch(exception& e) {
+               m->errorOut(e, "SeqErrorCommand", "createProcesses");
+               exit(1);
+       }
+}
+//**********************************************************************************************************************
+int SeqErrorCommand::driver(string filename, string qFileName, string rFileName, string summaryFileName, string errorOutputFileName, string chimeraOutputFileName, linePair line, linePair qline, linePair rline) {    
+       
+       try {
+               ReportFile report;
+               QualityScores quality;
                
-               vector<int> misMatchCounts(11, 0);
+               misMatchCounts.resize(11, 0);
                int maxMismatch = 0;
                int numSeqs = 0;
                
                map<string, int>::iterator it;
-               map<char, vector<int> > qScoreErrorMap;
                qScoreErrorMap['m'].assign(41, 0);
                qScoreErrorMap['s'].assign(41, 0);
                qScoreErrorMap['i'].assign(41, 0);
                qScoreErrorMap['a'].assign(41, 0);
                
-               map<char, vector<int> > errorForward;
                errorForward['m'].assign(maxLength,0);
                errorForward['s'].assign(maxLength,0);
                errorForward['i'].assign(maxLength,0);
                errorForward['d'].assign(maxLength,0);
                errorForward['a'].assign(maxLength,0);
                
-               map<char, vector<int> > errorReverse;
                errorReverse['m'].assign(maxLength,0);
                errorReverse['s'].assign(maxLength,0);
                errorReverse['i'].assign(maxLength,0);
                errorReverse['d'].assign(maxLength,0);
                errorReverse['a'].assign(maxLength,0);  
                
-
-               string errorChimeraFileName = queryFileName.substr(0,queryFileName.find_last_of('.')) + ".error.chimera";
-               RefChimeraTest chimeraTest(referenceSeqs, errorChimeraFileName);
-               outputNames.push_back(errorChimeraFileName); outputTypes["error.chimera"].push_back(errorChimeraFileName);
+               //open inputfiles and go to beginning place for this processor
+               ifstream queryFile;
+               m->openInputFile(filename, queryFile);
+               queryFile.seekg(line.start);
+               
+               ifstream reportFile;
+               ifstream qualFile;
+               if(qFileName != "" && rFileName != ""){
+                       m->openInputFile(qFileName, qualFile);
+                       qualFile.seekg(qline.start);  
+                       
+                       //gobble headers
+                       if (rline.start == 0) {  report = ReportFile(reportFile, rFileName); } 
+                       else{
+                               m->openInputFile(rFileName, reportFile);
+                               reportFile.seekg(rline.start); 
+                       }
+                       
+                       qualForwardMap.resize(maxLength);
+                       qualReverseMap.resize(maxLength);
+                       for(int i=0;i<maxLength;i++){
+                               qualForwardMap[i].assign(41,0);
+                               qualReverseMap[i].assign(41,0);
+                       }       
+               }
+               
+               ofstream outChimeraReport;
+               m->openOutputFile(chimeraOutputFileName, outChimeraReport);
+               RefChimeraTest chimeraTest(referenceSeqs);
+               if (line.start == 0) { chimeraTest.printHeader(outChimeraReport); }
+               
+               ofstream errorSummaryFile;
+               m->openOutputFile(summaryFileName, errorSummaryFile);
+               if (line.start == 0) { printErrorHeader(errorSummaryFile); }
+               
+               ofstream errorSeqFile;
+               m->openOutputFile(errorOutputFileName, errorSeqFile);
+               
+               megaAlignVector.resize(numRefs, "");
                
-               vector<string> megaAlignVector(numRefs, "");
-
                int index = 0;
                bool ignoreSeq = 0;
                
-               while(queryFile){
-
-                       if (m->control_pressed) { errorSummaryFile.close();     errorSeqFile.close(); for (int i = 0; i < outputNames.size(); i++) { remove(outputNames[i].c_str()); } return 0; }
-               
+               bool moreSeqs = 1;
+               while (moreSeqs) {
+                       
+                       if (m->control_pressed) { queryFile.close(); if(qFileName != "" && rFileName != ""){  reportFile.close(); qualFile.close(); } outChimeraReport.close(); errorSummaryFile.close();errorSeqFile.close(); return 0; }
+                       
                        Sequence query(queryFile);
                        
-                       int numParentSeqs = chimeraTest.analyzeQuery(query.getName(), query.getAligned());
+                       int numParentSeqs = chimeraTest.analyzeQuery(query.getName(), query.getAligned(), outChimeraReport);
                        int closestRefIndex = chimeraTest.getClosestRefIndex();
-
+                       
                        if(numParentSeqs > 1 && ignoreChimeras == 1)    {       ignoreSeq = 1;  }
                        else                                                                                    {       ignoreSeq = 0;  }
-
+                       
                        Compare minCompare = getErrors(query, referenceSeqs[closestRefIndex]);
                        
                        if(namesFileName != ""){
@@ -317,35 +669,35 @@ int SeqErrorCommand::execute(){
                                minCompare.weight = it->second;
                        }
                        else{   minCompare.weight = 1;  }
-
-                       printErrorData(minCompare, numParentSeqs);
-               
+                       
+                       printErrorData(minCompare, numParentSeqs, errorSummaryFile, errorSeqFile);
+                       
                        if(!ignoreSeq){
-
+                               
                                for(int i=0;i<minCompare.sequence.length();i++){
                                        char letter = minCompare.sequence[i];
-
+                                       
                                        errorForward[letter][i] += minCompare.weight;
                                        errorReverse[letter][minCompare.total-i-1] += minCompare.weight;                                
                                }
                        }
-
+                       
                        if(qualFileName != "" && reportFileName != ""){
                                report = ReportFile(reportFile);
                                
-//                             int origLength = report.getQueryLength();
+                               //                              int origLength = report.getQueryLength();
                                int startBase = report.getQueryStart();
                                int endBase = report.getQueryEnd();
-
+                               
                                quality = QualityScores(qualFile);
-
+                               
                                if(!ignoreSeq){
                                        quality.updateQScoreErrorMap(qScoreErrorMap, minCompare.sequence, startBase, endBase, minCompare.weight);
                                        quality.updateForwardMap(qualForwardMap, startBase, endBase, minCompare.weight);
                                        quality.updateReverseMap(qualReverseMap, startBase, endBase, minCompare.weight);
                                }
                        }                       
-
+                       
                        if(minCompare.errorRate < threshold && !ignoreSeq){
                                totalBases += (minCompare.total * minCompare.weight);
                                totalMatches += minCompare.matches * minCompare.weight;
@@ -358,65 +710,33 @@ int SeqErrorCommand::execute(){
                                
                                megaAlignVector[closestRefIndex] += query.getInlineSeq() + '\n';
                        }
-
+                       
                        index++;
                        
-                       if(index % 1000 == 0){  m->mothurOut(toString(index) + '\n');   }
+                       #if defined (__APPLE__) || (__MACH__) || (linux) || (__linux)
+                               unsigned long int pos = queryFile.tellg();
+                               if ((pos == -1) || (pos >= line.end)) { break; }
+                       #else
+                               if (queryFile.eof()) { break; }
+                       #endif
+                       
+                       if(index % 100 == 0){   m->mothurOut(toString(index) + '\n');   }
                }
                queryFile.close();
+               if(qFileName != "" && rFileName != ""){  reportFile.close(); qualFile.close(); }
                errorSummaryFile.close();       
                errorSeqFile.close();
-
-               if(qualFileName != "" && reportFileName != ""){         
-                       printErrorQuality(qScoreErrorMap);
-                       printQualityFR(qualForwardMap, qualReverseMap);
-               }
-               
-               printErrorFRFile(errorForward, errorReverse);
-               
-               if (m->control_pressed) { for (int i = 0; i < outputNames.size(); i++) { remove(outputNames[i].c_str()); } return 0; }
-
-               string errorCountFileName = queryFileName.substr(0,queryFileName.find_last_of('.')) + ".error.count";
-               ofstream errorCountFile;
-               m->openOutputFile(errorCountFileName, errorCountFile);
-               outputNames.push_back(errorCountFileName);  outputTypes["error.count"].push_back(errorCountFileName);
-               m->mothurOut("Overall error rate:\t" + toString((double)(totalBases - totalMatches) / (double)totalBases) + "\n");
-               m->mothurOut("Errors\tSequences\n");
-               errorCountFile << "Errors\tSequences\n";                
-               for(int i=0;i<misMatchCounts.size();i++){
-                       m->mothurOut(toString(i) + '\t' + toString(misMatchCounts[i]) + '\n');
-                       errorCountFile << i << '\t' << misMatchCounts[i] << endl;
-               }
-               errorCountFile.close();
-               
-               if (m->control_pressed) { for (int i = 0; i < outputNames.size(); i++) { remove(outputNames[i].c_str()); } return 0; }
-
-               printSubMatrix();
-                               
-               string megAlignmentFileName = queryFileName.substr(0,queryFileName.find_last_of('.')) + ".error.ref-query";
-               ofstream megAlignmentFile;
-               m->openOutputFile(megAlignmentFileName, megAlignmentFile);
-               outputNames.push_back(megAlignmentFileName);  outputTypes["error.ref-query"].push_back(megAlignmentFileName);
-               
-               for(int i=0;i<numRefs;i++){
-                       megAlignmentFile << referenceSeqs[i].getInlineSeq() << endl;
-                       megAlignmentFile << megaAlignVector[i] << endl;
-               }
                
+               //report progress
+               if(index % 100 != 0){   m->mothurOut(toString(index) + '\n');   }
                
-               m->mothurOutEndLine();
-               m->mothurOut("Output File Names: "); m->mothurOutEndLine();
-               for (int i = 0; i < outputNames.size(); i++) { m->mothurOut(outputNames[i]); m->mothurOutEndLine(); }
-               m->mothurOutEndLine();
-               
-               return 0;       
+               return index;
        }
        catch(exception& e) {
-               m->errorOut(e, "SeqErrorCommand", "execute");
+               m->errorOut(e, "SeqErrorCommand", "driver");
                exit(1);
        }
 }
-
 //***************************************************************************************************************
 
 void SeqErrorCommand::getReferences(){
@@ -572,7 +892,7 @@ map<string, int> SeqErrorCommand::getWeights(){
 
 //***************************************************************************************************************
 
-void SeqErrorCommand::printErrorHeader(){
+void SeqErrorCommand::printErrorHeader(ofstream& errorSummaryFile){
        try {
                errorSummaryFile << "query\treference\tweight\t";
                errorSummaryFile << "AA\tAT\tAG\tAC\tTA\tTT\tTG\tTC\tGA\tGT\tGG\tGC\tCA\tCT\tCG\tCC\tNA\tNT\tNG\tNC\tAi\tTi\tGi\tCi\tNi\tdA\tdT\tdG\tdC\t";
@@ -589,7 +909,7 @@ void SeqErrorCommand::printErrorHeader(){
 
 //***************************************************************************************************************
 
-void SeqErrorCommand::printErrorData(Compare error, int numParentSeqs){
+void SeqErrorCommand::printErrorData(Compare error, int numParentSeqs, ofstream& errorSummaryFile, ofstream& errorSeqFile){
        try {
 
                errorSummaryFile << error.queryName << '\t' << error.refName << '\t' << error.weight << '\t';
@@ -825,5 +1145,182 @@ void SeqErrorCommand::printQualityFR(vector<vector<int> > qualForwardMap, vector
        }
        
 }
+/**************************************************************************************************/
 
+int SeqErrorCommand::setLines(string filename, string qfilename, string rfilename, vector<unsigned long int>& fastaFilePos, vector<unsigned long int>& qfileFilePos, vector<unsigned long int>& rfileFilePos) {
+       try {
+#if defined (__APPLE__) || (__MACH__) || (linux) || (__linux)
+               //set file positions for fasta file
+               fastaFilePos = m->divideFile(filename, processors);
+               
+               if (qfilename == "") { return processors; }
+               
+               //get name of first sequence in each chunk
+               map<string, int> firstSeqNames;
+               for (int i = 0; i < (fastaFilePos.size()-1); i++) {
+                       ifstream in;
+                       m->openInputFile(filename, in);
+                       in.seekg(fastaFilePos[i]);
+                       
+                       Sequence temp(in); 
+                       firstSeqNames[temp.getName()] = i;
+                       
+                       in.close();
+               }
+               
+               //make copy to use below
+               map<string, int> firstSeqNamesReport = firstSeqNames;
+               
+               //seach for filePos of each first name in the qfile and save in qfileFilePos
+               ifstream inQual;
+               m->openInputFile(qfilename, inQual);
+               
+               string input;
+               while(!inQual.eof()){   
+                       input = m->getline(inQual);
+                       
+                       if (input.length() != 0) {
+                               if(input[0] == '>'){ //this is a sequence name line
+                                       istringstream nameStream(input);
+                                       
+                                       string sname = "";  nameStream >> sname;
+                                       sname = sname.substr(1);
+                                       
+                                       map<string, int>::iterator it = firstSeqNames.find(sname);
+                                       
+                                       if(it != firstSeqNames.end()) { //this is the start of a new chunk
+                                               unsigned long int pos = inQual.tellg(); 
+                                               qfileFilePos.push_back(pos - input.length() - 1);       
+                                               firstSeqNames.erase(it);
+                                       }
+                               }
+                       }
+                       
+                       if (firstSeqNames.size() == 0) { break; }
+               }
+               inQual.close();
+               
+               if (firstSeqNames.size() != 0) { 
+                       for (map<string, int>::iterator it = firstSeqNames.begin(); it != firstSeqNames.end(); it++) {
+                               m->mothurOut(it->first + " is in your fasta file and not in your quality file, aborting."); m->mothurOutEndLine();
+                       }
+                       m->control_pressed = true;
+                       return processors;
+               }
+               
+               //get last file position of qfile
+               FILE * pFile;
+               unsigned long int size;
+               
+               //get num bytes in file
+               pFile = fopen (qfilename.c_str(),"rb");
+               if (pFile==NULL) perror ("Error opening file");
+               else{
+                       fseek (pFile, 0, SEEK_END);
+                       size=ftell (pFile);
+                       fclose (pFile);
+               }
+               
+               qfileFilePos.push_back(size);
+               
+               //seach for filePos of each first name in the rfile and save in rfileFilePos
+               string junk;
+               ifstream inR;
+               m->openInputFile(rfilename, inR);
+               
+               //read column headers
+               for (int i = 0; i < 16; i++) {  
+                       if (!inR.eof()) {       inR >> junk;    }
+                       else                    {       break;                  }
+               }
+               
+               while(!inR.eof()){
+                       
+                       if (m->control_pressed) { inR.close();  return processors; }
+                       
+                       input = m->getline(inR);        
+                       
+                       if (input.length() != 0) {
+                               
+                               istringstream nameStream(input);
+                               string sname = "";  nameStream >> sname;
+                               
+                               map<string, int>::iterator it = firstSeqNamesReport.find(sname);
+                       
+                               if(it != firstSeqNamesReport.end()) { //this is the start of a new chunk
+                                       unsigned long int pos = inR.tellg(); 
+                                       rfileFilePos.push_back(pos - input.length() - 1);       
+                                       firstSeqNamesReport.erase(it);
+                               }
+                       }
+                       
+                       if (firstSeqNamesReport.size() == 0) { break; }
+                       m->gobble(inR);
+               }
+               inR.close();
+               
+               if (firstSeqNamesReport.size() != 0) { 
+                       for (map<string, int>::iterator it = firstSeqNamesReport.begin(); it != firstSeqNamesReport.end(); it++) {
+                               m->mothurOut(it->first + " is in your fasta file and not in your report file, aborting."); m->mothurOutEndLine();
+                       }
+                       m->control_pressed = true;
+                       return processors;
+               }
+               
+               //get last file position of qfile
+               FILE * rFile;
+               unsigned long int sizeR;
+               
+               //get num bytes in file
+               rFile = fopen (rfilename.c_str(),"rb");
+               if (rFile==NULL) perror ("Error opening file");
+               else{
+                       fseek (rFile, 0, SEEK_END);
+                       sizeR=ftell (rFile);
+                       fclose (rFile);
+               }
+               
+               rfileFilePos.push_back(sizeR);
+               
+               return processors;
+               
+#else
+               
+               fastaFilePos.push_back(0); qfileFilePos.push_back(0);
+               //get last file position of fastafile
+               FILE * pFile;
+               unsigned long int size;
+               
+               //get num bytes in file
+               pFile = fopen (filename.c_str(),"rb");
+               if (pFile==NULL) perror ("Error opening file");
+               else{
+                       fseek (pFile, 0, SEEK_END);
+                       size=ftell (pFile);
+                       fclose (pFile);
+               }
+               fastaFilePos.push_back(size);
+               
+               //get last file position of fastafile
+               FILE * qFile;
+               
+               //get num bytes in file
+               qFile = fopen (qfilename.c_str(),"rb");
+               if (qFile==NULL) perror ("Error opening file");
+               else{
+                       fseek (qFile, 0, SEEK_END);
+                       size=ftell (qFile);
+                       fclose (qFile);
+               }
+               qfileFilePos.push_back(size);
+               
+               return 1;
+               
+#endif
+       }
+       catch(exception& e) {
+               m->errorOut(e, "SeqErrorCommand", "setLines");
+               exit(1);
+       }
+}
 //***************************************************************************************************************