]> git.donarmstrong.com Git - mothur.git/blobdiff - trimseqscommand.cpp
moved utilities out of mothur.h and into mothurOut class.
[mothur.git] / trimseqscommand.cpp
index d72ada4cff4fb44cd557eede88d63f44a43c1cd6..8a767f696415737284491fa691a708dd1c011573 100644 (file)
@@ -9,7 +9,6 @@
 
 #include "trimseqscommand.h"
 #include "needlemanoverlap.hpp"
-#include "nast.hpp"
 
 //***************************************************************************************************************
 
@@ -17,6 +16,7 @@ TrimSeqsCommand::TrimSeqsCommand(string option)  {
        try {
                
                abort = false;
+               comboStarts = 0;
                
                //allow user to run help
                if(option == "help") { help(); abort = true; }
@@ -24,7 +24,7 @@ TrimSeqsCommand::TrimSeqsCommand(string option)  {
                else {
                        //valid paramters for this command
                        string AlignArray[] =  {"fasta", "flip", "oligos", "maxambig", "maxhomop", "minlength", "maxlength", "qfile", 
-                                                                       "qthreshold", "qaverage", "allfiles", "qtrim","diffs", "processors", "outputdir","inputdir"};
+                                                                       "qthreshold", "qwindowaverage", "qstepsize", "qwindowsize", "qaverage", "rollaverage", "allfiles", "qtrim","tdiffs", "pdiffs", "bdiffs", "processors", "outputdir","inputdir"};
                        
                        vector<string> myArray (AlignArray, AlignArray+(sizeof(AlignArray)/sizeof(string)));
                        
@@ -47,7 +47,7 @@ TrimSeqsCommand::TrimSeqsCommand(string option)  {
                                it = parameters.find("fasta");
                                //user has given a template file
                                if(it != parameters.end()){ 
-                                       path = hasPath(it->second);
+                                       path = m->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;            }
                                }
@@ -55,7 +55,7 @@ TrimSeqsCommand::TrimSeqsCommand(string option)  {
                                it = parameters.find("oligos");
                                //user has given a template file
                                if(it != parameters.end()){ 
-                                       path = hasPath(it->second);
+                                       path = m->hasPath(it->second);
                                        //if the user has not given a path then, add inputdir. else leave path alone.
                                        if (path == "") {       parameters["oligos"] = inputDir + it->second;           }
                                }
@@ -63,7 +63,7 @@ TrimSeqsCommand::TrimSeqsCommand(string option)  {
                                it = parameters.find("qfile");
                                //user has given a template file
                                if(it != parameters.end()){ 
-                                       path = hasPath(it->second);
+                                       path = m->hasPath(it->second);
                                        //if the user has not given a path then, add inputdir. else leave path alone.
                                        if (path == "") {       parameters["qfile"] = inputDir + it->second;            }
                                }
@@ -78,15 +78,16 @@ TrimSeqsCommand::TrimSeqsCommand(string option)  {
                        //if the user changes the output directory command factory will send this info to us in the output parameter 
                        outputDir = validParameter.validFile(parameters, "outputdir", false);           if (outputDir == "not found"){  
                                outputDir = ""; 
-                               outputDir += hasPath(fastaFile); //if user entered a file with a path then preserve it  
+                               outputDir += m->hasPath(fastaFile); //if user entered a file with a path then preserve it       
                        }
                
+                       
                        //check for optional parameter and set defaults
                        // ...at some point should added some additional type checking...
                        string temp;
                        temp = validParameter.validFile(parameters, "flip", false);
                        if (temp == "not found"){       flip = 0;       }
-                       else if(isTrue(temp))   {       flip = 1;       }
+                       else if(m->isTrue(temp))        {       flip = 1;       }
                
                        temp = validParameter.validFile(parameters, "oligos", true);
                        if (temp == "not found"){       oligoFile = "";         }
@@ -105,8 +106,16 @@ TrimSeqsCommand::TrimSeqsCommand(string option)  {
                        temp = validParameter.validFile(parameters, "maxlength", false);        if (temp == "not found") { temp = "0"; }
                        convert(temp, maxLength);
                        
-                       temp = validParameter.validFile(parameters, "diffs", false);            if (temp == "not found") { temp = "0"; }
-                       convert(temp, diffs);
+                       temp = validParameter.validFile(parameters, "bdiffs", false);           if (temp == "not found") { temp = "0"; }
+                       convert(temp, bdiffs);
+                       
+                       temp = validParameter.validFile(parameters, "pdiffs", false);           if (temp == "not found") { temp = "0"; }
+                       convert(temp, pdiffs);
+                       
+                       temp = validParameter.validFile(parameters, "tdiffs", false);           if (temp == "not found") { int tempTotal = pdiffs + bdiffs;  temp = toString(tempTotal); }
+                       convert(temp, tdiffs);
+                       
+                       if(tdiffs == 0){        tdiffs = bdiffs + pdiffs;       }
                        
                        temp = validParameter.validFile(parameters, "qfile", true);     
                        if (temp == "not found")        {       qFileName = "";         }
@@ -116,16 +125,28 @@ TrimSeqsCommand::TrimSeqsCommand(string option)  {
                        temp = validParameter.validFile(parameters, "qthreshold", false);       if (temp == "not found") { temp = "0"; }
                        convert(temp, qThreshold);
                        
-                       temp = validParameter.validFile(parameters, "qtrim", false);    if (temp == "not found") { temp = "F"; }
-                       qtrim = isTrue(temp);
+                       temp = validParameter.validFile(parameters, "qtrim", false);            if (temp == "not found") { temp = "F"; }
+                       qtrim = m->isTrue(temp);
+
+                       temp = validParameter.validFile(parameters, "rollaverage", false);      if (temp == "not found") { temp = "0"; }
+                       convert(temp, qRollAverage);
+
+                       temp = validParameter.validFile(parameters, "qwindowaverage", false);if (temp == "not found") { temp = "0"; }
+                       convert(temp, qWindowAverage);
+
+                       temp = validParameter.validFile(parameters, "qwindowsize", false);      if (temp == "not found") { temp = "100"; }
+                       convert(temp, qWindowSize);
+
+                       temp = validParameter.validFile(parameters, "qstepsize", false);                if (temp == "not found") { temp = "10"; }
+                       convert(temp, qWindowStep);
 
                        temp = validParameter.validFile(parameters, "qaverage", false);         if (temp == "not found") { temp = "0"; }
                        convert(temp, qAverage);
                        
                        temp = validParameter.validFile(parameters, "allfiles", false);         if (temp == "not found") { temp = "F"; }
-                       allFiles = isTrue(temp);
+                       allFiles = m->isTrue(temp);
                        
-                       temp = validParameter.validFile(parameters, "processors", false);       if (temp == "not found"){       temp = "1";                             }
+                       temp = validParameter.validFile(parameters, "processors", false);       if (temp == "not found") { temp = "1"; }
                        convert(temp, processors); 
                        
                        if(allFiles && oligoFile == ""){
@@ -155,13 +176,15 @@ void TrimSeqsCommand::help(){
                m->mothurOut("The trim.seqs command reads a fastaFile and creates .....\n");
                m->mothurOut("The trim.seqs command parameters are fasta, flip, oligos, maxambig, maxhomop, minlength, maxlength, qfile, qthreshold, qaverage, diffs, qtrim and allfiles.\n");
                m->mothurOut("The fasta parameter is required.\n");
-               m->mothurOut("The flip parameter .... The default is 0.\n");
+               m->mothurOut("The flip parameter will output the reverse compliment of your trimmed sequence. The default is false.\n");
                m->mothurOut("The oligos parameter .... The default is "".\n");
                m->mothurOut("The maxambig parameter .... The default is -1.\n");
                m->mothurOut("The maxhomop parameter .... The default is 0.\n");
                m->mothurOut("The minlength parameter .... The default is 0.\n");
                m->mothurOut("The maxlength parameter .... The default is 0.\n");
-               m->mothurOut("The diffs parameter .... The default is 0.\n");
+               m->mothurOut("The tdiffs parameter is used to specify the total number of differences allowed in the sequence. The default is pdiffs + bdiffs.\n");
+               m->mothurOut("The bdiffs parameter is used to specify the number of differences allowed in the barcode. The default is 0.\n");
+               m->mothurOut("The pdiffs parameter is used to specify the number of differences allowed in the primer. The default is 0.\n");
                m->mothurOut("The qfile parameter .....\n");
                m->mothurOut("The qthreshold parameter .... The default is 0.\n");
                m->mothurOut("The qaverage parameter .... The default is 0.\n");
@@ -196,97 +219,174 @@ int TrimSeqsCommand::execute(){
                numFPrimers = 0;  //this needs to be initialized
                numRPrimers = 0;
                
-               string trimSeqFile = outputDir + getRootName(getSimpleName(fastaFile)) + "trim.fasta";
+               string trimSeqFile = outputDir + m->getRootName(m->getSimpleName(fastaFile)) + "trim.fasta";
                outputNames.push_back(trimSeqFile);
-               string scrapSeqFile = outputDir + getRootName(getSimpleName(fastaFile)) + "scrap.fasta";
+               string scrapSeqFile = outputDir + m->getRootName(m->getSimpleName(fastaFile)) + "scrap.fasta";
                outputNames.push_back(scrapSeqFile);
-               string groupFile = outputDir + getRootName(getSimpleName(fastaFile)) + "groups";
+               string trimQualFile = outputDir + m->getRootName(m->getSimpleName(fastaFile)) + "trim.qual";
+               outputNames.push_back(trimQualFile);
+               string scrapQualFile = outputDir + m->getRootName(m->getSimpleName(fastaFile)) + "scrap.qual";
+               outputNames.push_back(scrapQualFile);
+               string groupFile = outputDir + m->getRootName(m->getSimpleName(fastaFile)) + "groups";
                
                vector<string> fastaFileNames;
+               vector<string> qualFileNames;
                if(oligoFile != ""){
                        outputNames.push_back(groupFile);
-                       getOligos(fastaFileNames);
+                       getOligos(fastaFileNames, qualFileNames);
                }
-               
-               if(qFileName != "")     {       setLines(qFileName, qLines);    }
 
+               vector<unsigned long int> fastaFilePos;
+               vector<unsigned long int> qFilePos;
+               
+               setLines(fastaFile, qFileName, fastaFilePos, qFilePos);
+               
+               for (int i = 0; i < (fastaFilePos.size()-1); i++) {
+                       lines.push_back(new linePair(fastaFilePos[i], fastaFilePos[(i+1)]));
+                       if (qFileName != "") {  qLines.push_back(new linePair(qFilePos[i], qFilePos[(i+1)]));  }
+               }       
+               if(qFileName == "")     {       qLines = lines; } //files with duds
                
                #if defined (__APPLE__) || (__MACH__) || (linux) || (__linux)
                                if(processors == 1){
-                                       ifstream inFASTA;
-                                       openInputFile(fastaFile, inFASTA);
-                                       int numSeqs=count(istreambuf_iterator<char>(inFASTA),istreambuf_iterator<char>(), '>');
-                                       inFASTA.close();
-                                       
-                                       lines.push_back(new linePair(0, numSeqs));
-                                       
-                                       driverCreateTrim(fastaFile, qFileName, trimSeqFile, scrapSeqFile, groupFile, fastaFileNames, lines[0], lines[0]);
+                                                                               
+                                       driverCreateTrim(fastaFile, qFileName, trimSeqFile, scrapSeqFile, trimQualFile, scrapQualFile, groupFile, fastaFileNames, qualFileNames, lines[0], qLines[0]);
                                        
                                        for (int j = 0; j < fastaFileNames.size(); j++) {
                                                rename((fastaFileNames[j] + toString(getpid()) + ".temp").c_str(), fastaFileNames[j].c_str());
                                        }
+                                       if(qFileName != ""){
+                                               for (int j = 0; j < qualFileNames.size(); j++) {
+                                                       rename((qualFileNames[j] + toString(getpid()) + ".temp").c_str(), qualFileNames[j].c_str());
+                                               }
+                                       }                                               
 
                                }else{
-                                       setLines(fastaFile, lines);     
-                                       if(qFileName == "")     {       qLines = lines; }       
-                                                               
-                                       createProcessesCreateTrim(fastaFile, qFileName, trimSeqFile, scrapSeqFile, groupFile, fastaFileNames); 
+                                       createProcessesCreateTrim(fastaFile, qFileName, trimSeqFile, scrapSeqFile, trimQualFile, scrapQualFile, groupFile, fastaFileNames, qualFileNames); 
                                        
                                        rename((trimSeqFile + toString(processIDS[0]) + ".temp").c_str(), trimSeqFile.c_str());
                                        rename((scrapSeqFile + toString(processIDS[0]) + ".temp").c_str(), scrapSeqFile.c_str());
                                        rename((groupFile + toString(processIDS[0]) + ".temp").c_str(), groupFile.c_str());
+                                       
+                                       if(qFileName != ""){
+                                               rename((trimQualFile + toString(processIDS[0]) + ".temp").c_str(), trimQualFile.c_str());
+                                               rename((scrapQualFile + toString(processIDS[0]) + ".temp").c_str(), scrapQualFile.c_str());
+                                       }
+                                       
+                                       
                                        for (int j = 0; j < fastaFileNames.size(); j++) {
                                                rename((fastaFileNames[j] + toString(processIDS[0]) + ".temp").c_str(), fastaFileNames[j].c_str());
                                        }
+                                       if(qFileName != ""){
+                                               for (int j = 0; j < qualFileNames.size(); j++) {
+                                                       rename((qualFileNames[j] + toString(getpid()) + ".temp").c_str(), qualFileNames[j].c_str());
+                                               }
+                                       }                                               
+                                       
                                        //append files
                                        for(int i=1;i<processors;i++){
-                                               appendFiles((trimSeqFile + toString(processIDS[i]) + ".temp"), trimSeqFile);
+                                               m->appendFiles((trimSeqFile + toString(processIDS[i]) + ".temp"), trimSeqFile);
                                                remove((trimSeqFile + toString(processIDS[i]) + ".temp").c_str());
-                                               appendFiles((scrapSeqFile + toString(processIDS[i]) + ".temp"), scrapSeqFile);
+                                               m->appendFiles((scrapSeqFile + toString(processIDS[i]) + ".temp"), scrapSeqFile);
                                                remove((scrapSeqFile + toString(processIDS[i]) + ".temp").c_str());
-                                               appendFiles((groupFile + toString(processIDS[i]) + ".temp"), groupFile);
+
+                                               m->appendFiles((trimQualFile + toString(processIDS[i]) + ".temp"), trimQualFile);
+                                               remove((trimQualFile + toString(processIDS[i]) + ".temp").c_str());
+                                               m->appendFiles((scrapQualFile + toString(processIDS[i]) + ".temp"), scrapQualFile);
+                                               remove((scrapQualFile + toString(processIDS[i]) + ".temp").c_str());
+                                               
+                                               m->appendFiles((groupFile + toString(processIDS[i]) + ".temp"), groupFile);
                                                remove((groupFile + toString(processIDS[i]) + ".temp").c_str());
                                                for (int j = 0; j < fastaFileNames.size(); j++) {
-                                                       appendFiles((fastaFileNames[j] + toString(processIDS[i]) + ".temp"), fastaFileNames[j]);
+                                                       m->appendFiles((fastaFileNames[j] + toString(processIDS[i]) + ".temp"), fastaFileNames[j]);
                                                        remove((fastaFileNames[j] + toString(processIDS[i]) + ".temp").c_str());
                                                }
+                                               
+                                               if(qFileName != ""){
+                                                       for (int j = 0; j < qualFileNames.size(); j++) {
+                                                               m->appendFiles((qualFileNames[j] + toString(processIDS[i]) + ".temp"), qualFileNames[j]);
+                                                               remove((qualFileNames[j] + toString(processIDS[i]) + ".temp").c_str());
+                                                       }
+                                               }                                               
+                                               
+                                               
                                        }
                                }
                                
                                if (m->control_pressed) {  return 0; }
                #else
-                               ifstream inFASTA;
-                               openInputFile(fastafileNames[s], inFASTA);
-                               numSeqs=count(istreambuf_iterator<char>(inFASTA),istreambuf_iterator<char>(), '>');
-                               inFASTA.close();
-                               
-                               lines.push_back(new linePair(0, numSeqs));
-                               
-                               driverCreateSummary(fastafile, qFileName, trimSeqFile, scrapSeqFile, groupFile, fastaFileNames, lines[0], lines[0]);
+                               driverCreateTrim(fastaFile, qFileName, trimSeqFile, scrapSeqFile, trimQualFile, scrapQualFile, groupFile, fastaFileNames, qualFileNames, lines[0], qlines[0]);
                                
+                               for (int j = 0; j < fastaFileNames.size(); j++) {
+                                       rename((fastaFileNames[j] + toString(j) + ".temp").c_str(), fastaFileNames[j].c_str());
+                               }
+                               if(qFileName != ""){
+                                       for (int j = 0; j < qualFileNames.size(); j++) {
+                                               rename((qualFileNames[j] + toString(j) + ".temp").c_str(), qualFileNames[j].c_str());
+                                       }
+                               }
+                                                                       
                                if (m->control_pressed) {  return 0; }
                #endif
                                                
                                                                                
                for(int i=0;i<fastaFileNames.size();i++){
-                       ifstream inFASTA;
-                       string seqName;
-                       openInputFile(getRootName(fastaFile) + groupVector[i] + ".fasta", inFASTA);
-                       ofstream outGroups;
-                       openOutputFile(outputDir + getRootName(getSimpleName(fastaFile)) + groupVector[i] + ".groups", outGroups);
-                       outputNames.push_back(outputDir + getRootName(getSimpleName(fastaFile)) + groupVector[i] + ".groups");
-                       
-                       while(!inFASTA.eof()){
-                               if(inFASTA.get() == '>'){
-                                       inFASTA >> seqName;
-                                       outGroups << seqName << '\t' << groupVector[i] << endl;
-                               }
-                               while (!inFASTA.eof())  {       char c = inFASTA.get(); if (c == 10 || c == 13){        break;  }       }
+                       if (m->isBlank(fastaFileNames[i])) { remove(fastaFileNames[i].c_str()); }
+                       else if (filesToRemove.count(fastaFileNames[i]) > 0) { remove(fastaFileNames[i].c_str()); }
+                       else {
+                               ifstream inFASTA;
+                               string seqName;
+                               m->openInputFile(fastaFileNames[i], inFASTA);
+                               ofstream outGroups;
+                               string outGroupFilename = outputDir + m->getRootName(m->getSimpleName(fastaFileNames[i])) + "groups";
+                               m->openOutputFile(outGroupFilename, outGroups);
+                               outputNames.push_back(outGroupFilename);
+                               
+                               string thisGroup = "";
+                               if (i > comboStarts) {
+                                       map<string, int>::iterator itCombo;
+                                       for(itCombo=combos.begin();itCombo!=combos.end(); itCombo++){
+                                               if(itCombo->second == i){       thisGroup = itCombo->first;     combos.erase(itCombo);  break;  }
+                                       }
+                               }else{ thisGroup = groupVector[i]; }
+                               
+                               while(!inFASTA.eof()){
+                                       if(inFASTA.get() == '>'){
+                                               inFASTA >> seqName;
+                                               outGroups << seqName << '\t' << thisGroup << endl;
+                                       }
+                                       while (!inFASTA.eof())  {       char c = inFASTA.get(); if (c == 10 || c == 13){        break;  }       }
+                               }
+                               outGroups.close();
+                               inFASTA.close();
                        }
-                       outGroups.close();
-                       inFASTA.close();
                }
                
+               if(qFileName != ""){
+                       for(int i=0;i<qualFileNames.size();i++){
+                               if (m->isBlank(qualFileNames[i])) { remove(qualFileNames[i].c_str());   }
+                               else if (filesToRemove.count(qualFileNames[i]) > 0) { remove(qualFileNames[i].c_str()); }
+                               else {
+                                       ifstream inQual;
+                                       string seqName;
+                                       m->openInputFile(qualFileNames[i], inQual);
+//                                     ofstream outGroups;
+//                                     
+//                                     string thisGroup = "";
+//                                     if (i > comboStarts) {
+//                                             map<string, int>::iterator itCombo;
+//                                             for(itCombo=combos.begin();itCombo!=combos.end(); itCombo++){
+//                                                     if(itCombo->second == i){       thisGroup = itCombo->first;     combos.erase(itCombo);  break;  }
+//                                             }
+//                                     }
+//                                     else{ thisGroup = groupVector[i]; }
+                                       
+                                       inQual.close();
+                               }
+                       }
+               }
+               
+               
                if (m->control_pressed) { 
                        for (int i = 0; i < outputNames.size(); i++) {  remove(outputNames[i].c_str()); }
                        return 0;
@@ -307,137 +407,211 @@ int TrimSeqsCommand::execute(){
 }
                
 /**************************************************************************************/
-int TrimSeqsCommand::driverCreateTrim(string filename, string qFileName, string trimFile, string scrapFile, string groupFile, vector<string> fastaNames, linePair* line, linePair* qline) {    
+
+int TrimSeqsCommand::driverCreateTrim(string filename, string qFileName, string trimFile, string scrapFile, string trimQFile, string scrapQFile, string groupFile, vector<string> fastaNames, vector<string> qualNames, linePair* line, linePair* qline) {     
+               
        try {
                
                ofstream outFASTA;
-               int able = openOutputFile(trimFile, outFASTA);
+               int able = m->openOutputFile(trimFile, outFASTA);
                
                ofstream scrapFASTA;
-               openOutputFile(scrapFile, scrapFASTA);
+               m->openOutputFile(scrapFile, scrapFASTA);
+               
+               ofstream outQual;
+               ofstream scrapQual;
+               if(qFileName != ""){
+                       m->openOutputFile(trimQFile, outQual);
+                       m->openOutputFile(scrapQFile, scrapQual);
+               }
                
                ofstream outGroups;
                vector<ofstream*> fastaFileNames;
+               vector<ofstream*> qualFileNames;
+               
+               
                if (oligoFile != "") {          
-                       openOutputFile(groupFile, outGroups);   
+                       m->openOutputFile(groupFile, outGroups);   
                        for (int i = 0; i < fastaNames.size(); i++) {
+                       #if defined (__APPLE__) || (__MACH__) || (linux) || (__linux)
                                fastaFileNames.push_back(new ofstream((fastaNames[i] + toString(getpid()) + ".temp").c_str(), ios::ate)); 
+                               if(qFileName != ""){
+                                       qualFileNames.push_back(new ofstream((qualNames[i] + toString(getpid()) + ".temp").c_str(), ios::ate)); 
+                               }
+                       #else
+                               fastaFileNames.push_back(new ofstream((fastaNames[i] + toString(i) + ".temp").c_str(), ios::ate));                      
+                               if(qFileName != ""){
+                                       qualFileNames.push_back(new ofstream((qualNames[i] + toString(i) + ".temp").c_str(), ios::ate));                        
+                               }
+                       #endif
                        }
                }
                
                ifstream inFASTA;
-               openInputFile(filename, inFASTA);
+               m->openInputFile(filename, inFASTA);
+               inFASTA.seekg(line->start);
                
                ifstream qFile;
-               if(qFileName != "")     {       openInputFile(qFileName, qFile);        }
+               if(qFileName != "")     {       m->openInputFile(qFileName, qFile);     qFile.seekg(qline->start);  }
                
-               qFile.seekg(qline->start);
-               inFASTA.seekg(line->start);
-               
-               for(int i=0;i<line->num;i++){
+               bool done = false;
+               int count = 0;
+       
+               while (!done) {
                                
                        if (m->control_pressed) { 
-                               inFASTA.close(); 
-                               outFASTA.close();
-                               scrapFASTA.close();
+                               inFASTA.close(); outFASTA.close(); scrapFASTA.close();
                                if (oligoFile != "") {   outGroups.close();   }
-                               if(qFileName != "")     {       qFile.close();  }
-                               for(int i=0;i<fastaFileNames.size();i++){
-                                       fastaFileNames[i]->close();
-                                       delete fastaFileNames[i];
-                               }       
+                               
+                               for(int i=0;i<fastaFileNames.size();i++){  fastaFileNames[i]->close(); delete fastaFileNames[i];  }     
+
+                               if(qFileName != ""){
+                                       qFile.close();
+                                       for(int i=0;i<qualFileNames.size();i++){  qualFileNames[i]->close(); delete qualFileNames[i];  }        
+                               }
                                for (int i = 0; i < outputNames.size(); i++) {  remove(outputNames[i].c_str()); }
+
                                return 0;
                        }
                        
-                       bool success = 1;
+                       int success = 1;
                        
-                       Sequence currSeq(inFASTA);
 
+                       Sequence currSeq(inFASTA); m->gobble(inFASTA);
+
+                       QualityScores currQual;
+                       if(qFileName != ""){
+                               currQual = QualityScores(qFile, currSeq.getNumBases());  m->gobble(qFile);
+                       }
+                       
                        string origSeq = currSeq.getUnaligned();
                        if (origSeq != "") {
-                               int group;
+                               int groupBar, groupPrime;
                                string trashCode = "";
-                               
+                               int currentSeqsDiffs = 0;
+
                                if(qFileName != ""){
-                                       if(qThreshold != 0)             {       success = stripQualThreshold(currSeq, qFile);   }
-                                       else if(qAverage != 0)  {       success = cullQualAverage(currSeq, qFile);              }
-                                       if ((!qtrim) && (origSeq.length() != currSeq.getUnaligned().length())) { 
+                                       if(qThreshold != 0)                     {       success = currQual.stripQualThreshold(currSeq, qThreshold);                     }
+                                       else if(qAverage != 0)          {       success = currQual.cullQualAverage(currSeq, qAverage);                          }
+                                       else if(qRollAverage != 0)      {       success = currQual.stripQualRollingAverage(currSeq, qRollAverage);      }
+                                       else if(qWindowAverage != 0){   success = currQual.stripQualWindowAverage(currSeq, qWindowStep, qWindowSize, qWindowAverage);   }
+
+                                       if (qtrim == 1 && (origSeq.length() != currSeq.getUnaligned().length())) { 
                                                success = 0; //if you don't want to trim and the sequence does not meet quality requirements, move to scrap
                                        }
-                                       if(!success)                    {       trashCode += 'q';                                                               }
+
+                                       if(!success)                            {       trashCode += 'q';       }
                                }
                        
                                if(barcodes.size() != 0){
-                                       success = stripBarcode(currSeq, group);
-                                       if(!success){   trashCode += 'b';       }
+                                       success = stripBarcode(currSeq, currQual, groupBar);
+                                       if(success > bdiffs)            {       trashCode += 'b';       }
+                                       else{ currentSeqsDiffs += success;  }
                                }
-                       
+
                                if(numFPrimers != 0){
-                                       success = stripForward(currSeq);
-                                       if(!success){   trashCode += 'f';       }
+                                       success = stripForward(currSeq, currQual, groupPrime);
+                                       if(success > pdiffs)            {       trashCode += 'f';       }
+                                       else{ currentSeqsDiffs += success;  }
                                }
-                                       
+                               
+                               if (currentSeqsDiffs > tdiffs)  {       trashCode += 't';   }
+
                                if(numRPrimers != 0){
-                                       success = stripReverse(currSeq);
-                                       if(!success){   trashCode += 'r';       }
+                                       success = stripReverse(currSeq, currQual);
+                                       if(!success)                            {       trashCode += 'r';       }
                                }
                
                                if(minLength > 0 || maxLength > 0){
                                        success = cullLength(currSeq);
-                                       if(!success){   trashCode += 'l'; }
+                                       if(!success)                            {       trashCode += 'l';       }
                                }
                                if(maxHomoP > 0){
                                        success = cullHomoP(currSeq);
-                                       if(!success){   trashCode += 'h';       }
+                                       if(!success)                            {       trashCode += 'h';       }
                                }
                                if(maxAmbig != -1){
                                        success = cullAmbigs(currSeq);
-                                       if(!success){   trashCode += 'n';       }
+                                       if(!success)                            {       trashCode += 'n';       }
                                }
                                
-                               if(flip){       currSeq.reverseComplement();    }               // should go last                       
+                               if(flip){       currSeq.reverseComplement();            currQual.flipQScores(); }               // should go last                       
                                
                                if(trashCode.length() == 0){
-                                       currSeq.setAligned(currSeq.getUnaligned());  //this is because of a modification we made to the sequence class to fix a bug.  all seqs have an aligned version, which is the version that gets printed.
+                                       currSeq.setAligned(currSeq.getUnaligned());
                                        currSeq.printSequence(outFASTA);
+                                       currQual.printQScores(outQual);
+                                       
                                        if(barcodes.size() != 0){
-                                               outGroups << currSeq.getName() << '\t' << groupVector[group] << endl;
-                                               
+                                               string thisGroup = groupVector[groupBar];
+                                               int indexToFastaFile = groupBar;
+                                               if (primers.size() != 0){
+                                                       //does this primer have a group
+                                                       if (groupVector[groupPrime] != "") {  
+                                                               thisGroup += "." + groupVector[groupPrime]; 
+                                                               indexToFastaFile = combos[thisGroup];
+                                                       }
+                                               }
+                                               outGroups << currSeq.getName() << '\t' << thisGroup << endl;
                                                if(allFiles){
-                                                       currSeq.printSequence(*fastaFileNames[group]);                                  
+                                                       currSeq.printSequence(*fastaFileNames[indexToFastaFile]);
+                                                       
+                                                       if(qFileName != ""){
+                                                               currQual.printQScores(*qualFileNames[indexToFastaFile]);                                                        
+                                                       }
                                                }
                                        }
                                }
                                else{
                                        currSeq.setName(currSeq.getName() + '|' + trashCode);
                                        currSeq.setUnaligned(origSeq);
+                                       currSeq.setAligned(origSeq);
                                        currSeq.printSequence(scrapFASTA);
+                                       currQual.printQScores(scrapQual);
                                }
+                               count++;
                        }
-                       gobble(inFASTA);
+                       
+                       unsigned long int pos = inFASTA.tellg();
+                       if ((pos == -1) || (pos >= line->end)) { break; }
+                       
+                       //report progress
+                       if((count) % 1000 == 0){        m->mothurOut(toString(count)); m->mothurOutEndLine();           }
+                       
                }
+               //report progress
+               if((count) % 1000 != 0){        m->mothurOut(toString(count)); m->mothurOutEndLine();           }
+
                
                inFASTA.close();
                outFASTA.close();
                scrapFASTA.close();
                if (oligoFile != "") {   outGroups.close();   }
-               if(qFileName != "")     {       qFile.close();  }
+               if(qFileName != "")     {       qFile.close();  scrapQual.close(); outQual.close();     }
                
                for(int i=0;i<fastaFileNames.size();i++){
                        fastaFileNames[i]->close();
                        delete fastaFileNames[i];
                }               
                
-               return 0;
+               if(qFileName != ""){
+                       for(int i=0;i<qualFileNames.size();i++){
+                               qualFileNames[i]->close();
+                               delete qualFileNames[i];
+                       }               
+               }                       
+               
+               return count;
        }
        catch(exception& e) {
                m->errorOut(e, "TrimSeqsCommand", "driverCreateTrim");
                exit(1);
        }
 }
+
 /**************************************************************************************************/
-int TrimSeqsCommand::createProcessesCreateTrim(string filename, string qFileName, string trimFile, string scrapFile, string groupFile, vector<string> fastaNames) {
+
+int TrimSeqsCommand::createProcessesCreateTrim(string filename, string qFileName, string trimFile, string scrapFile, string trimQFile, string scrapQFile, string groupFile, vector<string> fastaNames, vector<string> qualNames) {
        try {
 #if defined (__APPLE__) || (__MACH__) || (linux) || (__linux)
                int process = 0;
@@ -452,7 +626,7 @@ int TrimSeqsCommand::createProcessesCreateTrim(string filename, string qFileName
                                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){
-                               driverCreateTrim(filename, qFileName, (trimFile + toString(getpid()) + ".temp"), (scrapFile + toString(getpid()) + ".temp"), (groupFile + toString(getpid()) + ".temp"), fastaNames, lines[process], qLines[process]);
+                               driverCreateTrim(filename, qFileName, (trimFile + toString(getpid()) + ".temp"), (scrapFile + toString(getpid()) + ".temp"), (trimQFile + toString(getpid()) + ".temp"), (scrapQFile + toString(getpid()) + ".temp"), (groupFile + toString(getpid()) + ".temp"), fastaNames, qualNames, lines[process], qLines[process]);
                                exit(0);
                        }else { m->mothurOut("unable to spawn the necessary processes."); m->mothurOutEndLine(); exit(0); }
                }
@@ -471,35 +645,73 @@ int TrimSeqsCommand::createProcessesCreateTrim(string filename, string qFileName
                exit(1);
        }
 }
+
 /**************************************************************************************************/
 
-int TrimSeqsCommand::setLines(string filename, vector<linePair*>& lines) {
+int TrimSeqsCommand::setLines(string filename, string qfilename, vector<unsigned long int>& fastaFilePos, vector<unsigned long int>& qfileFilePos) {
        try {
                
-               lines.clear();
+               //set file positions for fasta file
+               fastaFilePos = m->divideFile(filename, processors);
                
-               vector<long int> positions;
+               if (qfilename == "") { return processors; }
                
-               ifstream inFASTA;
-               openInputFile(filename, inFASTA);
+               //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();
+               }
+                               
+               //seach for filePos of each first name in the qfile and save in qfileFilePos
+               ifstream inQual;
+               m->openInputFile(qfilename, inQual);
                        
                string input;
-               while(!inFASTA.eof()){  
-                       input = getline(inFASTA);
+               while(!inQual.eof()){   
+                       input = m->getline(inQual);
 
                        if (input.length() != 0) {
-                               if(input[0] == '>'){ long int pos = inFASTA.tellg(); positions.push_back(pos - input.length() - 1);     }
+                               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; }
                }
-               inFASTA.close();
+               inQual.close();
                
-               int numFastaSeqs = positions.size();
-       
+               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, not using quality file."); m->mothurOutEndLine();
+                       }
+                       qFileName = "";
+                       return processors;
+               }
+
+               //get last file position of qfile
                FILE * pFile;
-               long size;
+               unsigned long int size;
                
                //get num bytes in file
-               pFile = fopen (filename.c_str(),"rb");
+               pFile = fopen (qfilename.c_str(),"rb");
                if (pFile==NULL) perror ("Error opening file");
                else{
                        fseek (pFile, 0, SEEK_END);
@@ -507,20 +719,9 @@ int TrimSeqsCommand::setLines(string filename, vector<linePair*>& lines) {
                        fclose (pFile);
                }
                
-               int numSeqsPerProcessor = numFastaSeqs / processors;
+               qfileFilePos.push_back(size);
                
-               for (int i = 0; i < processors; i++) {
-
-                       long int startPos = positions[ i * numSeqsPerProcessor ];
-                       if(i == processors - 1){
-                               numSeqsPerProcessor = numFastaSeqs - i * numSeqsPerProcessor;
-                       }else{  
-                               long int myEnd = positions[ (i+1) * numSeqsPerProcessor ];
-                       }
-                       lines.push_back(new linePair(startPos, numSeqsPerProcessor));
-               }
-               
-               return numFastaSeqs;
+               return processors;
        }
        catch(exception& e) {
                m->errorOut(e, "TrimSeqsCommand", "setLines");
@@ -529,23 +730,27 @@ int TrimSeqsCommand::setLines(string filename, vector<linePair*>& lines) {
 }
 //***************************************************************************************************************
 
-void TrimSeqsCommand::getOligos(vector<string>& outFASTAVec){ //vector<ofstream*>& outFASTAVec
+void TrimSeqsCommand::getOligos(vector<string>& outFASTAVec, vector<string>& outQualVec){
        try {
                ifstream inOligos;
-               openInputFile(oligoFile, inOligos);
+               m->openInputFile(oligoFile, inOligos);
                
                ofstream test;
                
                string type, oligo, group;
                int index=0;
+               //int indexPrimer = 0;
                
                while(!inOligos.eof()){
                        inOligos >> type;
-                       
+                                       
                        if(type[0] == '#'){
                                while (!inOligos.eof()) {       char c = inOligos.get(); if (c == 10 || c == 13){       break;  }       } // get rest of line if there's any crap there
                        }
                        else{
+                               //make type case insensitive
+                               for(int i=0;i<type.length();i++){       type[i] = toupper(type[i]);  }
+                               
                                inOligos >> oligo;
                                
                                for(int i=0;i<oligo.length();i++){
@@ -553,31 +758,93 @@ void TrimSeqsCommand::getOligos(vector<string>& outFASTAVec){ //vector<ofstream*
                                        if(oligo[i] == 'U')     {       oligo[i] = 'T'; }
                                }
                                
-                               if(type == "forward"){
-                                       forPrimer.push_back(oligo);
+                               if(type == "FORWARD"){
+                                       group = "";
+                                       
+                                       // get rest of line in case there is a primer name
+                                       while (!inOligos.eof()) {       
+                                               char c = inOligos.get(); 
+                                               if (c == 10 || c == 13){        break;  }
+                                               else if (c == 32 || c == 9){;} //space or tab
+                                               else {  group += c;  }
+                                       } 
+                                       
+                                       //check for repeat barcodes
+                                       map<string, int>::iterator itPrime = primers.find(oligo);
+                                       if (itPrime != primers.end()) { m->mothurOut("primer " + oligo + " is in your oligos file already."); m->mothurOutEndLine();  }
+                                       
+                                       primers[oligo]=index; index++;
+                                       groupVector.push_back(group);
+                                       
+                                       if(allFiles){
+                                               outFASTAVec.push_back((outputDir + m->getRootName(m->getSimpleName(fastaFile)) + group + ".fasta"));
+                                               if(qFileName != ""){
+                                                       outQualVec.push_back((outputDir + m->getRootName(m->getSimpleName(qFileName)) + group + ".qual"));
+                                               }
+                                               if (group == "") { //if there is not a group for this primer, then this file will not get written to, but we add it to keep the indexes correct
+                                                       filesToRemove.insert((outputDir + m->getRootName(m->getSimpleName(fastaFile)) + group + ".fasta"));
+                                                       if(qFileName != ""){
+                                                               filesToRemove.insert((outputDir + m->getRootName(m->getSimpleName(qFileName)) + group + ".qual"));
+                                                       }
+                                               }else {
+                                                       outputNames.push_back((outputDir + m->getRootName(m->getSimpleName(fastaFile)) + group + ".fasta"));
+                                                       if(qFileName != ""){
+                                                               outputNames.push_back((outputDir + m->getRootName(m->getSimpleName(qFileName)) + group + ".qual"));
+                                                       }                                                       
+                                               }
+                                       }
+
                                }
-                               else if(type == "reverse"){
+                               else if(type == "REVERSE"){
                                        Sequence oligoRC("reverse", oligo);
                                        oligoRC.reverseComplement();
                                        revPrimer.push_back(oligoRC.getUnaligned());
                                }
-                               else if(type == "barcode"){
+                               else if(type == "BARCODE"){
                                        inOligos >> group;
-                                       barcodes[oligo]=index++;
+                                       
+                                       //check for repeat barcodes
+                                       map<string, int>::iterator itBar = barcodes.find(oligo);
+                                       if (itBar != barcodes.end()) { m->mothurOut("barcode " + oligo + " is in your oligos file already."); m->mothurOutEndLine();  }
+                                       
+                                       barcodes[oligo]=index; index++;
                                        groupVector.push_back(group);
                                        
                                        if(allFiles){
-                                               //outFASTAVec.push_back(new ofstream((outputDir + getRootName(getSimpleName(fastaFile)) + group + ".fasta").c_str(), ios::ate));
-                                               outputNames.push_back((outputDir + getRootName(getSimpleName(fastaFile)) + group + ".fasta"));
-                                               outFASTAVec.push_back((outputDir + getRootName(getSimpleName(fastaFile)) + group + ".fasta"));
+                                               outputNames.push_back((outputDir + m->getRootName(m->getSimpleName(fastaFile)) + group + ".fasta"));
+                                               outFASTAVec.push_back((outputDir + m->getRootName(m->getSimpleName(fastaFile)) + group + ".fasta"));
+                                               if(qFileName != ""){
+                                                       outQualVec.push_back((outputDir + m->getRootName(m->getSimpleName(qFileName)) + group + ".qual"));
+                                                       outputNames.push_back((outputDir + m->getRootName(m->getSimpleName(qFileName)) + group + ".qual"));
+                                               }                                                       
                                        }
-                               }
+                               }else{  m->mothurOut(type + " is not recognized as a valid type. Choices are forward, reverse, and barcode. Ignoring " + oligo + "."); m->mothurOutEndLine();  }
                        }
+                       m->gobble(inOligos);
                }
                
                inOligos.close();
                
-               numFPrimers = forPrimer.size();
+               //add in potential combos
+               if(allFiles){
+                       comboStarts = outFASTAVec.size()-1;
+                       for (map<string, int>::iterator itBar = barcodes.begin(); itBar != barcodes.end(); itBar++) {
+                               for (map<string, int>::iterator itPrime = primers.begin(); itPrime != primers.end(); itPrime++) {
+                                       if (groupVector[itPrime->second] != "") { //there is a group for this primer
+                                               outputNames.push_back((outputDir + m->getRootName(m->getSimpleName(qFileName)) + groupVector[itBar->second] + "." + groupVector[itPrime->second] + ".fasta"));
+                                               outFASTAVec.push_back((outputDir + m->getRootName(m->getSimpleName(fastaFile)) + groupVector[itBar->second] + "." + groupVector[itPrime->second] + ".fasta"));
+                                               combos[(groupVector[itBar->second] + "." + groupVector[itPrime->second])] = outFASTAVec.size()-1;
+                                               
+                                               if(qFileName != ""){
+                                                       outQualVec.push_back((outputDir + m->getRootName(m->getSimpleName(qFileName)) + groupVector[itBar->second] + "." + groupVector[itPrime->second] + ".qual"));
+                                                       outputNames.push_back((outputDir + m->getRootName(m->getSimpleName(qFileName)) + groupVector[itBar->second] + "." + groupVector[itPrime->second] + ".qual"));
+                                               }
+                                       }
+                               }
+                       }
+               }
+               
+               numFPrimers = primers.size();
                numRPrimers = revPrimer.size();
                
        }
@@ -588,59 +855,122 @@ void TrimSeqsCommand::getOligos(vector<string>& outFASTAVec){ //vector<ofstream*
 }
 //***************************************************************************************************************
 
-bool TrimSeqsCommand::stripBarcode(Sequence& seq, int& group){
+int TrimSeqsCommand::stripBarcode(Sequence& seq, QualityScores& qual, int& group){
        try {
+               
                string rawSequence = seq.getUnaligned();
-               bool success = 0;       //guilty until proven innocent
+               int success = bdiffs + 1;       //guilty until proven innocent
                
                //can you find the barcode
                for(map<string,int>::iterator it=barcodes.begin();it!=barcodes.end();it++){
                        string oligo = it->first;
                        if(rawSequence.length() < oligo.length()){      //let's just assume that the barcodes are the same length
-                               success = 0;
-                               break;
+                               success = bdiffs + 10;                                  //if the sequence is shorter than the barcode then bail out
+                               break;  
                        }
                        
                        if(compareDNASeq(oligo, rawSequence.substr(0,oligo.length()))){
                                group = it->second;
                                seq.setUnaligned(rawSequence.substr(oligo.length()));
-                               success = 1;
+                               
+                               if(qual.getName() != ""){
+                                       qual.trimQScores(oligo.length(), -1);
+                               }
+                               
+                               success = 0;
                                break;
                        }
                }
                
                //if you found the barcode or if you don't want to allow for diffs
-               if ((diffs == 0) || (success == 1)) { return success;  }
+//             cout << success;
+               if ((bdiffs == 0) || (success == 0)) { return success;  }
                
                else { //try aligning and see if you can find it
+//                     cout << endl;
+
+                       int maxLength = 0;
+
+                       Alignment* alignment;
+                       if (barcodes.size() > 0) {
+                               map<string,int>::iterator it=barcodes.begin();
+
+                               for(it;it!=barcodes.end();it++){
+                                       if(it->first.length() > maxLength){
+                                               maxLength = it->first.length();
+                                       }
+                               }
+                               alignment = new NeedlemanOverlap(-1.0, 1.0, -1.0, (maxLength+bdiffs+1));  
+
+                       }else{ alignment = NULL; } 
+                       
                        //can you find the barcode
+                       int minDiff = 1e6;
+                       int minCount = 1;
+                       int minGroup = -1;
+                       int minPos = 0;
+                       
                        for(map<string,int>::iterator it=barcodes.begin();it!=barcodes.end();it++){
                                string oligo = it->first;
-                               if(rawSequence.length() < oligo.length()){      //let's just assume that the barcodes are the same length
-                                       success = 0;
+//                             int length = oligo.length();
+                               
+                               if(rawSequence.length() < maxLength){   //let's just assume that the barcodes are the same length
+                                       success = bdiffs + 10;
                                        break;
                                }
                                
                                //use needleman to align first barcode.length()+numdiffs of sequence to each barcode
-                               Alignment* alignment = new NeedlemanOverlap(-2.0, 1.0, -1.0, (oligo.length()+diffs+1));
-                               Sequence* templateSeq = new Sequence("temp", rawSequence.substr(0,(oligo.length()+diffs)));
-                               Sequence* candidateSeq = new Sequence("temp2", oligo);
-                               Nast nast(alignment, candidateSeq, templateSeq);
+                               alignment->align(oligo, rawSequence.substr(0,oligo.length()+bdiffs));
+                               oligo = alignment->getSeqAAln();
+                               string temp = alignment->getSeqBAln();
+               
+                               int alnLength = oligo.length();
+                               
+                               for(int i=oligo.length()-1;i>=0;i--){
+                                       if(oligo[i] != '-'){    alnLength = i+1;        break;  }
+                               }
+                               oligo = oligo.substr(0,alnLength);
+                               temp = temp.substr(0,alnLength);
                                
-                               oligo = candidateSeq->getAligned();
-       cout << "barcode = " << oligo << " raw = " << rawSequence.substr(0,(oligo.length())) << endl;                   
-                               delete alignment;
-                               delete templateSeq;
-                               delete candidateSeq;
+                               int newStart=0;
+                               int numDiff = countDiffs(oligo, temp);
                                
-                               if(compareDNASeq(oligo, rawSequence.substr(0,oligo.length()))){
-                                       group = it->second;
-                                       seq.setUnaligned(rawSequence.substr(0,oligo.length()));
-                                       success = 1;
-                                       break;
+//                             cout << oligo << '\t' << temp << '\t' << numDiff << endl;                               
+                               
+                               if(numDiff < minDiff){
+                                       minDiff = numDiff;
+                                       minCount = 1;
+                                       minGroup = it->second;
+                                       minPos = 0;
+                                       for(int i=0;i<alnLength;i++){
+                                               if(temp[i] != '-'){
+                                                       minPos++;
+                                               }
+                                       }
+                               }
+                               else if(numDiff == minDiff){
+                                       minCount++;
+                               }
+
+                       }
+
+                       if(minDiff > bdiffs)    {       success = minDiff;              }       //no good matches
+                       else if(minCount > 1)   {       success = bdiffs + 100; }       //can't tell the difference between multiple barcodes
+                       else{                                                                                                   //use the best match
+                               group = minGroup;
+                               seq.setUnaligned(rawSequence.substr(minPos));
+                               
+                               if(qual.getName() != ""){
+                                       qual.trimQScores(minPos, -1);
                                }
+                               success = minDiff;
                        }
+                       
+                       if (alignment != NULL) {  delete alignment;  }
+                       
                }
+//             cout << success << endl;
+               
                return success;
                
        }
@@ -653,60 +983,120 @@ bool TrimSeqsCommand::stripBarcode(Sequence& seq, int& group){
 
 //***************************************************************************************************************
 
-bool TrimSeqsCommand::stripForward(Sequence& seq){
+int TrimSeqsCommand::stripForward(Sequence& seq, QualityScores& qual, int& group){
        try {
                string rawSequence = seq.getUnaligned();
-               bool success = 0;       //guilty until proven innocent
+               int success = pdiffs + 1;       //guilty until proven innocent
                
-               for(int i=0;i<numFPrimers;i++){
-                       string oligo = forPrimer[i];
-                       
-                       if(rawSequence.length() < oligo.length()){
-                               success = 0;
-                               break;
+               //can you find the primer
+               for(map<string,int>::iterator it=primers.begin();it!=primers.end();it++){
+                       string oligo = it->first;
+                       if(rawSequence.length() < oligo.length()){      //let's just assume that the primers are the same length
+                               success = pdiffs + 10;                                  //if the sequence is shorter than the barcode then bail out
+                               break;  
                        }
                        
                        if(compareDNASeq(oligo, rawSequence.substr(0,oligo.length()))){
+                               group = it->second;
                                seq.setUnaligned(rawSequence.substr(oligo.length()));
-                               success = 1;
+                               if(qual.getName() != ""){
+                                       qual.trimQScores(oligo.length(), -1);
+                                       
+                               }
+                               success = 0;
                                break;
                        }
                }
-               
-               //if you found the primer or if you don't want to allow for diffs
-               if ((diffs == 0) || (success == 1)) { return success;  }
+
+               //if you found the barcode or if you don't want to allow for diffs
+//             cout << success;
+               if ((pdiffs == 0) || (success == 0)) { return success;  }
                
                else { //try aligning and see if you can find it
-                       //can you find the primer
-                       for(int i=0;i<numFPrimers;i++){
-                               string oligo = forPrimer[i];
-                               if(rawSequence.length() < oligo.length()){      
-                                       success = 0;
+//                     cout << endl;
+
+                       int maxLength = 0;
+
+                       Alignment* alignment;
+                       if (primers.size() > 0) {
+                               map<string,int>::iterator it=primers.begin();
+
+                               for(it;it!=primers.end();it++){
+                                       if(it->first.length() > maxLength){
+                                               maxLength = it->first.length();
+                                       }
+                               }
+                               alignment = new NeedlemanOverlap(-1.0, 1.0, -1.0, (maxLength+pdiffs+1));  
+
+                       }else{ alignment = NULL; } 
+                       
+                       //can you find the barcode
+                       int minDiff = 1e6;
+                       int minCount = 1;
+                       int minGroup = -1;
+                       int minPos = 0;
+                       
+                       for(map<string,int>::iterator it=primers.begin();it!=primers.end();it++){
+                               string oligo = it->first;
+//                             int length = oligo.length();
+                               
+                               if(rawSequence.length() < maxLength){   
+                                       success = pdiffs + 100;
                                        break;
                                }
                                
-                               //use needleman to align first primer.length()+numdiffs of sequence to each primer
-                               Alignment* alignment = new NeedlemanOverlap(-2.0, 1.0, -1.0, (oligo.length()+diffs+1));
-                               Sequence* templateSeq = new Sequence("temp", rawSequence.substr(0,(oligo.length()+diffs)));
-                               Sequence* candidateSeq = new Sequence("temp2", oligo);
-                               Nast nast(alignment, candidateSeq, templateSeq);
+                               //use needleman to align first barcode.length()+numdiffs of sequence to each barcode
+                               alignment->align(oligo, rawSequence.substr(0,oligo.length()+pdiffs));
+                               oligo = alignment->getSeqAAln();
+                               string temp = alignment->getSeqBAln();
+               
+                               int alnLength = oligo.length();
                                
-                               oligo = candidateSeq->getAligned();
+                               for(int i=oligo.length()-1;i>=0;i--){
+                                       if(oligo[i] != '-'){    alnLength = i+1;        break;  }
+                               }
+                               oligo = oligo.substr(0,alnLength);
+                               temp = temp.substr(0,alnLength);
                                
-                               delete alignment;
-                               delete templateSeq;
-                               delete candidateSeq;
+                               int newStart=0;
+                               int numDiff = countDiffs(oligo, temp);
                                
-                               if(compareDNASeq(oligo, rawSequence.substr(0,oligo.length()))){
-                                       seq.setUnaligned(rawSequence.substr(0,oligo.length()));
-                                       success = 1;
-                                       break;
+//                             cout << oligo << '\t' << temp << '\t' << numDiff << endl;                               
+                               
+                               if(numDiff < minDiff){
+                                       minDiff = numDiff;
+                                       minCount = 1;
+                                       minGroup = it->second;
+                                       minPos = 0;
+                                       for(int i=0;i<alnLength;i++){
+                                               if(temp[i] != '-'){
+                                                       minPos++;
+                                               }
+                                       }
+                               }
+                               else if(numDiff == minDiff){
+                                       minCount++;
                                }
+
+                       }
+
+                       if(minDiff > pdiffs)    {       success = minDiff;              }       //no good matches
+                       else if(minCount > 1)   {       success = pdiffs + 10;  }       //can't tell the difference between multiple primers
+                       else{                                                                                                   //use the best match
+                               group = minGroup;
+                               seq.setUnaligned(rawSequence.substr(minPos));
+                               if(qual.getName() != ""){
+                                       qual.trimQScores(minPos, -1);
+                               }
+                               success = minDiff;
                        }
+                       
+                       if (alignment != NULL) {  delete alignment;  }
+                       
                }
                
                return success;
-               
+
        }
        catch(exception& e) {
                m->errorOut(e, "TrimSeqsCommand", "stripForward");
@@ -716,7 +1106,7 @@ bool TrimSeqsCommand::stripForward(Sequence& seq){
 
 //***************************************************************************************************************
 
-bool TrimSeqsCommand::stripReverse(Sequence& seq){
+bool TrimSeqsCommand::stripReverse(Sequence& seq, QualityScores& qual){
        try {
                string rawSequence = seq.getUnaligned();
                bool success = 0;       //guilty until proven innocent
@@ -731,6 +1121,9 @@ bool TrimSeqsCommand::stripReverse(Sequence& seq){
                        
                        if(compareDNASeq(oligo, rawSequence.substr(rawSequence.length()-oligo.length(),oligo.length()))){
                                seq.setUnaligned(rawSequence.substr(0,rawSequence.length()-oligo.length()));
+                               if(qual.getName() != ""){
+                                       qual.trimQScores(-1, rawSequence.length()-oligo.length());
+                               }
                                success = 1;
                                break;
                        }
@@ -842,80 +1235,113 @@ bool TrimSeqsCommand::compareDNASeq(string oligo, string seq){
        }
 
 }
-
 //***************************************************************************************************************
 
-bool TrimSeqsCommand::stripQualThreshold(Sequence& seq, ifstream& qFile){
+int TrimSeqsCommand::countDiffs(string oligo, string seq){
        try {
-               string rawSequence = seq.getUnaligned();
-               int seqLength;  // = rawSequence.length();
-               string name, temp, temp2;
-               
-               qFile >> name >> temp;
-       
-               splitAtEquals(temp2, temp); //separates length=242, temp=length, temp2=242
-               convert(temp, seqLength); //converts string to int
-       
-               if (name.length() != 0) {  if(name.substr(1) != seq.getName())  {       m->mothurOut("sequence name mismatch btwn fasta and qual file"); m->mothurOutEndLine(); }  } 
-               while (!qFile.eof())    {       char c = qFile.get(); if (c == 10 || c == 13){  break;  }       }
-               
-               int score;
-               int end = seqLength;
+
+               int length = oligo.length();
+               int countDiffs = 0;
                
-               for(int i=0;i<seqLength;i++){
-                       qFile >> score;
-                       
-                       if(score <= qThreshold){
-                               end = i;
-                               break;
+               for(int i=0;i<length;i++){
+                                                               
+                       if(oligo[i] != seq[i]){
+                               if(oligo[i] == 'A' || oligo[i] == 'T' || oligo[i] == 'G' || oligo[i] == 'C' || oligo[i] == '-' || oligo[i] == '.')      {       countDiffs++;   }
+                               else if((oligo[i] == 'N' || oligo[i] == 'I') && (seq[i] == 'N'))                                {       countDiffs++;   }
+                               else if(oligo[i] == 'R' && (seq[i] != 'A' && seq[i] != 'G'))                                    {       countDiffs++;   }
+                               else if(oligo[i] == 'Y' && (seq[i] != 'C' && seq[i] != 'T'))                                    {       countDiffs++;   }
+                               else if(oligo[i] == 'M' && (seq[i] != 'C' && seq[i] != 'A'))                                    {       countDiffs++;   }
+                               else if(oligo[i] == 'K' && (seq[i] != 'T' && seq[i] != 'G'))                                    {       countDiffs++;   }
+                               else if(oligo[i] == 'W' && (seq[i] != 'T' && seq[i] != 'A'))                                    {       countDiffs++;   }
+                               else if(oligo[i] == 'S' && (seq[i] != 'C' && seq[i] != 'G'))                                    {       countDiffs++;   }
+                               else if(oligo[i] == 'B' && (seq[i] != 'C' && seq[i] != 'T' && seq[i] != 'G'))   {       countDiffs++;   }
+                               else if(oligo[i] == 'D' && (seq[i] != 'A' && seq[i] != 'T' && seq[i] != 'G'))   {       countDiffs++;   }
+                               else if(oligo[i] == 'H' && (seq[i] != 'A' && seq[i] != 'T' && seq[i] != 'C'))   {       countDiffs++;   }
+                               else if(oligo[i] == 'V' && (seq[i] != 'A' && seq[i] != 'C' && seq[i] != 'G'))   {       countDiffs++;   }       
                        }
+                       
                }
-               for(int i=end+1;i<seqLength;i++){
-                       qFile >> score;
-               }
-               
-               seq.setUnaligned(rawSequence.substr(0,end));
                
-               return 1;
+               return countDiffs;
        }
        catch(exception& e) {
-               m->errorOut(e, "TrimSeqsCommand", "stripQualThreshold");
+               m->errorOut(e, "TrimSeqsCommand", "countDiffs");
                exit(1);
        }
-}
 
+}
 //***************************************************************************************************************
 
-bool TrimSeqsCommand::cullQualAverage(Sequence& seq, ifstream& qFile){
-       try {
-               string rawSequence = seq.getUnaligned();
-               int seqLength = seq.getNumBases();
-               bool success = 0;       //guilty until proven innocent
-               string name;
-               
-               qFile >> name;
-               if (name[0] == '>') {  if(name.substr(1) != seq.getName())      {       m->mothurOut("sequence name mismatch btwn fasta: " + seq.getName() + " and qual file: " + name); m->mothurOutEndLine(); }  }
-               
-               while (!qFile.eof())    {       char c = qFile.get(); if (c == 10 || c == 13){  break;  }       }
-               
-               float score;    
-               float average = 0;
-               
-               for(int i=0;i<seqLength;i++){
-                       qFile >> score;
-                       average += score;
-               }
-               average /= seqLength;
+//bool TrimSeqsCommand::stripQualThreshold(Sequence& seq, ifstream& qFile){
+//     try {
+//             
+//             string rawSequence = seq.getUnaligned();
+//             int seqLength = seq.getNumBases();
+//             bool success = 0;       //guilty until proven innocent
+//             string name;
+//             
+//             qFile >> name;
+//             if (name[0] == '>') {  if(name.substr(1) != seq.getName())      {       m->mothurOut("sequence name mismatch btwn fasta: " + seq.getName() + " and qual file: " + name); m->mothurOutEndLine(); }  }
+//             
+//             while (!qFile.eof())    {       char c = qFile.get(); if (c == 10 || c == 13){  break;  }       }
+//             
+//             int score;
+//             int end = seqLength;
+//             
+//             for(int i=0;i<seqLength;i++){
+//                     qFile >> score;
+//                     
+//                     if(score < qThreshold){
+//                             end = i;
+//                             break;
+//                     }
+//             }
+//             for(int i=end+1;i<seqLength;i++){
+//                     qFile >> score;
+//             }
+//             
+//             seq.setUnaligned(rawSequence.substr(0,end));
+//             
+//             return 1;
+//     }
+//     catch(exception& e) {
+//             m->errorOut(e, "TrimSeqsCommand", "stripQualThreshold");
+//             exit(1);
+//     }
+//}
 
-               if(average >= qAverage) {       success = 1;    }
-               else                                    {       success = 0;    }
-               
-               return success;
-       }
-       catch(exception& e) {
-               m->errorOut(e, "TrimSeqsCommand", "cullQualAverage");
-               exit(1);
-       }
-}
+//***************************************************************************************************************
+
+//bool TrimSeqsCommand::cullQualAverage(Sequence& seq, ifstream& qFile){
+//     try {
+//             string rawSequence = seq.getUnaligned();
+//             int seqLength = seq.getNumBases();
+//             bool success = 0;       //guilty until proven innocent
+//             string name;
+//             
+//             qFile >> name;
+//             if (name[0] == '>') {  if(name.substr(1) != seq.getName())      {       m->mothurOut("sequence name mismatch btwn fasta: " + seq.getName() + " and qual file: " + name); m->mothurOutEndLine(); }  }
+//             
+//             while (!qFile.eof())    {       char c = qFile.get(); if (c == 10 || c == 13){  break;  }       }
+//             
+//             float score;    
+//             float average = 0;
+//             
+//             for(int i=0;i<seqLength;i++){
+//                     qFile >> score;
+//                     average += score;
+//             }
+//             average /= seqLength;
+//
+//             if(average >= qAverage) {       success = 1;    }
+//             else                                    {       success = 0;    }
+//             
+//             return success;
+//     }
+//     catch(exception& e) {
+//             m->errorOut(e, "TrimSeqsCommand", "cullQualAverage");
+//             exit(1);
+//     }
+//}
 
 //***************************************************************************************************************