]> git.donarmstrong.com Git - mothur.git/blobdiff - aligncommand.cpp
changed random forest output filename
[mothur.git] / aligncommand.cpp
index 57eebb0eb096ef8cc554ba4f0eaee8f470c5b6d2..f757a7920bb337883a2a7773f35ed533d2186c80 100644 (file)
  */
 
 #include "aligncommand.h"
-#include "sequence.hpp"
-
-#include "gotohoverlap.hpp"
-#include "needlemanoverlap.hpp"
-#include "blastalign.hpp"
-#include "noalign.hpp"
-
-#include "nast.hpp"
-#include "nastreport.hpp"
-
+#include "referencedb.h"
 
 //**********************************************************************************************************************
+vector<string> AlignCommand::setParameters(){  
+       try {
+               CommandParameter ptemplate("reference", "InputTypes", "", "", "none", "none", "none","",false,true,true); parameters.push_back(ptemplate);
+               CommandParameter pcandidate("fasta", "InputTypes", "", "", "none", "none", "none","fasta-alignreport-accnos",false,true,true); parameters.push_back(pcandidate);
+               CommandParameter psearch("search", "Multiple", "kmer-blast-suffix", "kmer", "", "", "","",false,false,true); parameters.push_back(psearch);
+               CommandParameter pksize("ksize", "Number", "", "8", "", "", "","",false,false); parameters.push_back(pksize);
+               CommandParameter pmatch("match", "Number", "", "1.0", "", "", "","",false,false); parameters.push_back(pmatch);
+               CommandParameter palign("align", "Multiple", "needleman-gotoh-blast-noalign", "needleman", "", "", "","",false,false,true); parameters.push_back(palign);
+               CommandParameter pmismatch("mismatch", "Number", "", "-1.0", "", "", "","",false,false); parameters.push_back(pmismatch);
+               CommandParameter pgapopen("gapopen", "Number", "", "-5.0", "", "", "","",false,false); parameters.push_back(pgapopen);
+               CommandParameter pgapextend("gapextend", "Number", "", "-2.0", "", "", "","",false,false); parameters.push_back(pgapextend);
+               CommandParameter pprocessors("processors", "Number", "", "1", "", "", "","",false,false,true); parameters.push_back(pprocessors);
+               CommandParameter pflip("flip", "Boolean", "", "F", "", "", "","",false,false); parameters.push_back(pflip);
+               CommandParameter psave("save", "Boolean", "", "F", "", "", "","",false,false); parameters.push_back(psave);
+               CommandParameter pthreshold("threshold", "Number", "", "0.50", "", "", "","",false,false); parameters.push_back(pthreshold);
+               CommandParameter pinputdir("inputdir", "String", "", "", "", "", "","",false,false); parameters.push_back(pinputdir);
+               CommandParameter poutputdir("outputdir", "String", "", "", "", "", "","",false,false); parameters.push_back(poutputdir);
 
-AlignCommand::AlignCommand(string option){
+               vector<string> myArray;
+               for (int i = 0; i < parameters.size(); i++) {   myArray.push_back(parameters[i].name);          }
+               return myArray;
+       }
+       catch(exception& e) {
+               m->errorOut(e, "AlignCommand", "setParameters");
+               exit(1);
+       }
+}
+//**********************************************************************************************************************
+string AlignCommand::getHelpString(){  
+       try {
+               string helpString = "";
+               helpString += "The align.seqs command reads a file containing sequences and creates an alignment file and a report file.";
+               helpString += "The align.seqs command parameters are reference, fasta, search, ksize, align, match, mismatch, gapopen, gapextend and processors.";
+               helpString += "The reference and fasta parameters are required. You may leave fasta blank if you have a valid fasta file. You may enter multiple fasta files by separating their names with dashes. ie. fasta=abrecovery.fasta-amzon.fasta.";
+               helpString += "The search parameter allows you to specify the method to find most similar template.  Your options are: suffix, kmer and blast. The default is kmer.";
+               helpString += "The align parameter allows you to specify the alignment method to use.  Your options are: gotoh, needleman, blast and noalign. The default is needleman.";
+               helpString += "The ksize parameter allows you to specify the kmer size for finding most similar template to candidate.  The default is 8.";
+               helpString += "The match parameter allows you to specify the bonus for having the same base. The default is 1.0.";
+               helpString += "The mistmatch parameter allows you to specify the penalty for having different bases.  The default is -1.0.";
+               helpString += "The gapopen parameter allows you to specify the penalty for opening a gap in an alignment. The default is -5.0.";
+               helpString += "The gapextend parameter allows you to specify the penalty for extending a gap in an alignment.  The default is -2.0.";
+               helpString += "The flip parameter is used to specify whether or not you want mothur to try the reverse complement if a sequence falls below the threshold.  The default is false.";
+               helpString += "The threshold is used to specify a cutoff at which an alignment is deemed 'bad' and the reverse complement may be tried. The default threshold is 0.50, meaning 50% of the bases are removed in the alignment.";
+               helpString += "If the flip parameter is set to true the reverse complement of the sequence is aligned and the better alignment is reported.";
+               helpString += "If the save parameter is set to true the reference sequences will be saved in memory, to clear them later you can use the clear.memory command. Default=f.";
+               helpString += "The default for the threshold parameter is 0.50, meaning at least 50% of the bases must remain or the sequence is reported as potentially reversed.";
+               helpString += "The align.seqs command should be in the following format:";
+               helpString += "align.seqs(reference=yourTemplateFile, fasta=yourCandidateFile, align=yourAlignmentMethod, search=yourSearchmethod, ksize=yourKmerSize, match=yourMatchBonus, mismatch=yourMismatchpenalty, gapopen=yourGapopenPenalty, gapextend=yourGapExtendPenalty)";
+               helpString += "Example align.seqs(candidate=candidate.fasta, template=core.filtered, align=kmer, search=gotoh, ksize=8, match=2.0, mismatch=3.0, gapopen=-2.0, gapextend=-1.0)";
+               helpString += "Note: No spaces between parameter labels (i.e. candidate), '=' and parameters (i.e.yourFastaFile).";
+               return helpString;
+       }
+       catch(exception& e) {
+               m->errorOut(e, "AlignCommand", "getHelpString");
+               exit(1);
+       }
+}
+//**********************************************************************************************************************
+string AlignCommand::getOutputPattern(string type) {
+    try {
+        string pattern = "";
+        
+        if (type == "fasta") {  pattern = "[filename],align"; } //makes file like: amazon.align
+        else if (type == "alignreport") {  pattern = "[filename],align.report"; }
+        else if (type == "accnos") {  pattern = "[filename],flip.accnos"; }
+        else { m->mothurOut("[ERROR]: No definition for type " + type + " output pattern.\n"); m->control_pressed = true;  }
+        
+        return pattern;
+    }
+    catch(exception& e) {
+        m->errorOut(e, "AlignCommand", "getOutputPattern");
+        exit(1);
+    }
+}
+//**********************************************************************************************************************
+AlignCommand::AlignCommand(){  
+       try {
+               abort = true; calledHelp = true; 
+               setParameters();
+               vector<string> tempOutNames;
+               outputTypes["fasta"] = tempOutNames;
+               outputTypes["alignreport"] = tempOutNames;
+               outputTypes["accnos"] = tempOutNames;
+       }
+       catch(exception& e) {
+               m->errorOut(e, "AlignCommand", "AlignCommand");
+               exit(1);
+       }
+}
+//**********************************************************************************************************************
+AlignCommand::AlignCommand(string option)  {
        try {
-               //              globaldata = GlobalData::getInstance();
-               abort = false;
+               abort = false; calledHelp = false;  
+               ReferenceDB* rdb = ReferenceDB::getInstance();
                
                //allow user to run help
-               if(option == "help") { help(); abort = true; }
+               if(option == "help") { help(); abort = true; calledHelp = true;}
+               else if(option == "citation") { citation(); abort = true; calledHelp = true;}
                
                else {
-                       
-                       //valid paramters for this command
-                       string AlignArray[] =  {"template","candidate","search","ksize","align","match","mismatch","gapopen","gapextend", "processors"};
-                       vector<string> myArray (AlignArray, AlignArray+(sizeof(AlignArray)/sizeof(string)));
+                       vector<string> myArray = setParameters();
                        
                        OptionParser parser(option);
                        map<string, string> parameters = parser.getParameters(); 
                        
-                       ValidParameters validParameter;
+                       ValidParameters validParameter("align.seqs");
+                       map<string, string>::iterator it;
                        
                        //check to make sure all parameters are valid for command
-                       for (map<string, string>::iterator it = parameters.begin(); it != parameters.end(); it++) { 
+                       for (it = parameters.begin(); it != parameters.end(); it++) { 
                                if (validParameter.isValidParameter(it->first, myArray, it->second) != true) {  abort = true;  }
                        }
                        
-                       //check for required parameters
-                       templateFileName = validParameter.validFile(parameters, "template", true);
-                       if (templateFileName == "not found") { 
-                               mothurOut("template is a required parameter for the align.seqs command."); 
-                               mothurOutEndLine();
-                               abort = true; 
-                       }
-                       else if (templateFileName == "not open") { abort = true; }      
+                       //initialize outputTypes
+                       vector<string> tempOutNames;
+                       outputTypes["fasta"] = tempOutNames;
+                       outputTypes["alignreport"] = tempOutNames;
+                       outputTypes["accnos"] = tempOutNames;
+                       
+                       //if the user changes the output directory command factory will send this info to us in the output parameter 
+                       outputDir = validParameter.validFile(parameters, "outputdir", false);           if (outputDir == "not found"){  outputDir = "";         }
+                       
+
+                       //if the user changes the input directory command factory will send this info to us in the output parameter 
+                       string inputDir = validParameter.validFile(parameters, "inputdir", false);              
                        
-                       candidateFileName = validParameter.validFile(parameters, "candidate", true);
+                       if (inputDir == "not found"){   inputDir = "";          }
+                       else {
+                               string path;
+
+                               it = parameters.find("reference");
+
+                               //user has given a template file
+                               if(it != parameters.end()){ 
+                                       path = m->hasPath(it->second);
+                                       //if the user has not given a path then, add inputdir. else leave path alone.
+                                       if (path == "") {       parameters["reference"] = inputDir + it->second;                }
+                               }
+                       }
+
+                       candidateFileName = validParameter.validFile(parameters, "fasta", false);
                        if (candidateFileName == "not found") { 
-                               mothurOut("candidate is a required parameter for the align.seqs command."); 
-                               mothurOutEndLine();
-                               abort = true; 
+                               //if there is a current fasta file, use it
+                               string filename = m->getFastaFile(); 
+                               if (filename != "") { candidateFileNames.push_back(filename); m->mothurOut("Using " + filename + " as input file for the fasta parameter."); m->mothurOutEndLine(); }
+                               else {  m->mothurOut("You have no current fastafile and the candidate parameter is required."); m->mothurOutEndLine(); abort = true; }
+                       }else { 
+                               m->splitAtDash(candidateFileName, candidateFileNames);
+                               
+                               //go through files and make sure they are good, if not, then disregard them
+                               for (int i = 0; i < candidateFileNames.size(); i++) {
+                                       //candidateFileNames[i] = m->getFullPathName(candidateFileNames[i]);
+                                       
+                                       bool ignore = false;
+                                       if (candidateFileNames[i] == "current") { 
+                                               candidateFileNames[i] = m->getFastaFile(); 
+                                               if (candidateFileNames[i] != "") {  m->mothurOut("Using " + candidateFileNames[i] + " as input file for the fasta parameter where you had given current."); m->mothurOutEndLine(); }
+                                               else {  
+                                                       m->mothurOut("You have no current fastafile, ignoring current."); m->mothurOutEndLine(); ignore=true; 
+                                                       //erase from file list
+                                                       candidateFileNames.erase(candidateFileNames.begin()+i);
+                                                       i--;
+                                               }
+                                       }
+                                       
+                                       if (!ignore) {
+                                       
+                                               if (inputDir != "") {
+                                                       string path = m->hasPath(candidateFileNames[i]);
+                                                       //if the user has not given a path then, add inputdir. else leave path alone.
+                                                       if (path == "") {       candidateFileNames[i] = inputDir + candidateFileNames[i];               }
+                                               }
+               
+                                               int ableToOpen;
+                                               ifstream in;
+                                               ableToOpen = m->openInputFile(candidateFileNames[i], in, "noerror");
+                                               in.close();     
+                                               
+                                               //if you can't open it, try default location
+                                               if (ableToOpen == 1) {
+                                                       if (m->getDefaultPath() != "") { //default path is set
+                                                               string tryPath = m->getDefaultPath() + m->getSimpleName(candidateFileNames[i]);
+                                                               m->mothurOut("Unable to open " + candidateFileNames[i] + ". Trying default " + tryPath); m->mothurOutEndLine();
+                                                               ifstream in2;
+                                                               ableToOpen = m->openInputFile(tryPath, in2, "noerror");
+                                                               in2.close();
+                                                               candidateFileNames[i] = tryPath;
+                                                       }
+                                               }
+                                               
+                                               //if you can't open it, try output location
+                                               if (ableToOpen == 1) {
+                                                       if (m->getOutputDir() != "") { //default path is set
+                                                               string tryPath = m->getOutputDir() + m->getSimpleName(candidateFileNames[i]);
+                                                               m->mothurOut("Unable to open " + candidateFileNames[i] + ". Trying output directory " + tryPath); m->mothurOutEndLine();
+                                                               ifstream in2;
+                                                               ableToOpen = m->openInputFile(tryPath, in2, "noerror");
+                                                               in2.close();
+                                                               candidateFileNames[i] = tryPath;
+                                                       }
+                                               }
+                                               
+                                                                               
+
+                                               if (ableToOpen == 1) { 
+                                                       m->mothurOut("Unable to open " + candidateFileNames[i] + ". It will be disregarded."); m->mothurOutEndLine(); 
+                                                       //erase from file list
+                                                       candidateFileNames.erase(candidateFileNames.begin()+i);
+                                                       i--;
+                                               }else {
+                                                       m->setFastaFile(candidateFileNames[i]);
+                                               }
+                                       }
+                               }
+                               
+                               //make sure there is at least one valid file left
+                               if (candidateFileNames.size() == 0) { m->mothurOut("no valid files."); m->mothurOutEndLine(); abort = true; }
                        }
-                       else if (candidateFileName == "not open") { abort = true; }     
-                       
+               
                        //check for optional parameter and set defaults
                        // ...at some point should added some additional type checking...
                        string temp;
                        temp = validParameter.validFile(parameters, "ksize", false);            if (temp == "not found"){       temp = "8";                             }
-                       convert(temp, kmerSize); 
+                       m->mothurConvert(temp, kmerSize); 
                        
                        temp = validParameter.validFile(parameters, "match", false);            if (temp == "not found"){       temp = "1.0";                   }
-                       convert(temp, match);  
+                       m->mothurConvert(temp, match);  
                        
                        temp = validParameter.validFile(parameters, "mismatch", false);         if (temp == "not found"){       temp = "-1.0";                  }
-                       convert(temp, misMatch);  
+                       m->mothurConvert(temp, misMatch);  
+                       
+                       temp = validParameter.validFile(parameters, "gapopen", false);          if (temp == "not found"){       temp = "-5.0";                  }
+                       m->mothurConvert(temp, gapOpen);  
+                       
+                       temp = validParameter.validFile(parameters, "gapextend", false);        if (temp == "not found"){       temp = "-2.0";                  }
+                       m->mothurConvert(temp, gapExtend); 
+                       
+                       temp = validParameter.validFile(parameters, "processors", false);       if (temp == "not found"){       temp = m->getProcessors();      }
+                       m->setProcessors(temp);
+                       m->mothurConvert(temp, processors); 
+                       
+                       temp = validParameter.validFile(parameters, "flip", false);                     if (temp == "not found"){       temp = "f";                             }
+                       flip = m->isTrue(temp); 
                        
-                       temp = validParameter.validFile(parameters, "gapopen", false);          if (temp == "not found"){       temp = "-2.0";                  }
-                       convert(temp, gapOpen);  
+                       temp = validParameter.validFile(parameters, "save", false);                     if (temp == "not found"){       temp = "f";                             }
+                       save = m->isTrue(temp); 
+                       rdb->save = save; 
+                       if (save) { //clear out old references
+                               rdb->clearMemory();
+                       }
                        
-                       temp = validParameter.validFile(parameters, "gapextend", false);        if (temp == "not found"){       temp = "-1.0";                  }
-                       convert(temp, gapExtend); 
+                       //this has to go after save so that if the user sets save=t and provides no reference we abort
+                       templateFileName = validParameter.validFile(parameters, "reference", true);
+                       if (templateFileName == "not found") { 
+                               //check for saved reference sequences
+                               if (rdb->referenceSeqs.size() != 0) {
+                                       templateFileName = "saved";
+                               }else {
+                                       m->mothurOut("[ERROR]: You don't have any saved reference sequences and the reference parameter is a required for the align.seqs command."); 
+                                       m->mothurOutEndLine();
+                                       abort = true; 
+                               }
+                       }else if (templateFileName == "not open") { abort = true; }     
+                       else {  if (save) {     rdb->setSavedReference(templateFileName);       }       }
                        
-                       temp = validParameter.validFile(parameters, "processors", false);       if (temp == "not found"){       temp = "1";                             }
-                       convert(temp, processors); 
+                       temp = validParameter.validFile(parameters, "threshold", false);        if (temp == "not found"){       temp = "0.50";                  }
+                       m->mothurConvert(temp, threshold); 
                        
                        search = validParameter.validFile(parameters, "search", false);         if (search == "not found"){     search = "kmer";                }
+                       if ((search != "suffix") && (search != "kmer") && (search != "blast")) { m->mothurOut("invalid search option: choices are kmer, suffix or blast."); m->mothurOutEndLine(); abort=true; }
                        
                        align = validParameter.validFile(parameters, "align", false);           if (align == "not found"){      align = "needleman";    }
+                       if ((align != "needleman") && (align != "gotoh") && (align != "blast") && (align != "noalign")) { m->mothurOut("invalid align option: choices are needleman, gotoh, blast or noalign."); m->mothurOutEndLine(); abort=true; }
+
                }
                
        }
        catch(exception& e) {
-               errorOut(e, "AlignCommand", "AlignCommand");
+               m->errorOut(e, "AlignCommand", "AlignCommand");
                exit(1);
        }
 }
-
 //**********************************************************************************************************************
-
 AlignCommand::~AlignCommand(){ 
 
        if (abort == false) {
                for (int i = 0; i < lines.size(); i++) {  delete lines[i];  }  lines.clear();
                delete templateDB;
-               delete alignment;
        }
 }
-
 //**********************************************************************************************************************
 
-void AlignCommand::help(){
+int AlignCommand::execute(){
        try {
-               mothurOut("The align.seqs command reads a file containing sequences and creates an alignment file and a report file.\n");
-               mothurOut("The align.seqs command parameters are template, candidate, search, ksize, align, match, mismatch, gapopen and gapextend.\n");
-               mothurOut("The template and candidate parameters are required.\n");
-               mothurOut("The search parameter allows you to specify the method to find most similar template.  Your options are: suffix, kmer and blast. The default is kmer.\n");
-               mothurOut("The align parameter allows you to specify the alignment method to use.  Your options are: gotoh, needleman, blast and noalign. The default is needleman.\n");
-               mothurOut("The ksize parameter allows you to specify the kmer size for finding most similar template to candidate.  The default is 8.\n");
-               mothurOut("The match parameter allows you to specify the bonus for having the same base. The default is 1.0.\n");
-               mothurOut("The mistmatch parameter allows you to specify the penalty for having different bases.  The default is -1.0.\n");
-               mothurOut("The gapopen parameter allows you to specify the penalty for opening a gap in an alignment. The default is -1.0.\n");
-               mothurOut("The gapextend parameter allows you to specify the penalty for extending a gap in an alignment.  The default is -2.0.\n");
-               mothurOut("The align.seqs command should be in the following format: \n");
-               mothurOut("align.seqs(template=yourTemplateFile, candidate=yourCandidateFile, align=yourAlignmentMethod, search=yourSearchmethod, ksize=yourKmerSize, match=yourMatchBonus, mismatch=yourMismatchpenalty, gapopen=yourGapopenPenalty, gapextend=yourGapExtendPenalty) \n");
-               mothurOut("Example align.seqs(candidate=candidate.fasta, template=core.filtered, align=kmer, search=gotoh, ksize=8, match=2.0, mismatch=3.0, gapopen=-2.0, gapextend=-1.0)\n");
-               mothurOut("Note: No spaces between parameter labels (i.e. candidate), '=' and parameters (i.e.yourFastaFile).\n\n");
+               if (abort == true) { if (calledHelp) { return 0; }  return 2;   }
+
+               templateDB = new AlignmentDB(templateFileName, search, kmerSize, gapOpen, gapExtend, match, misMatch, rand());
+               
+               for (int s = 0; s < candidateFileNames.size(); s++) {
+                       if (m->control_pressed) { outputTypes.clear(); return 0; }
+                       
+                       m->mothurOut("Aligning sequences from " + candidateFileNames[s] + " ..." ); m->mothurOutEndLine();
+                       
+                       if (outputDir == "") {  outputDir += m->hasPath(candidateFileNames[s]); }
+            map<string, string> variables; variables["[filename]"] = outputDir + m->getRootName(m->getSimpleName(candidateFileNames[s]));
+                       string alignFileName = getOutputFileName("fasta", variables);  
+                       string reportFileName = getOutputFileName("alignreport", variables);
+                       string accnosFileName = getOutputFileName("accnos", variables);
+            
+                       bool hasAccnos = true;
+                       
+                       int numFastaSeqs = 0;
+                       for (int i = 0; i < lines.size(); i++) {  delete lines[i];  }  lines.clear();
+                       int start = time(NULL);
+               
+#ifdef USE_MPI 
+                               int pid, numSeqsPerProcessor; 
+                               int tag = 2001;
+                               vector<unsigned long long> MPIPos;
+                               MPIWroteAccnos = false;
+                       
+                               MPI_Status status; 
+                               MPI_Comm_rank(MPI_COMM_WORLD, &pid); //find out who we are
+                               MPI_Comm_size(MPI_COMM_WORLD, &processors); 
+
+                               MPI_File inMPI;
+                               MPI_File outMPIAlign;
+                               MPI_File outMPIReport;
+                               MPI_File outMPIAccnos;
+                               
+                               int outMode=MPI_MODE_CREATE|MPI_MODE_WRONLY; 
+                               int inMode=MPI_MODE_RDONLY; 
+                               
+                               char outAlignFilename[1024];
+                               strcpy(outAlignFilename, alignFileName.c_str());
+                               
+                               char outReportFilename[1024];
+                               strcpy(outReportFilename, reportFileName.c_str());
+                               
+                               char outAccnosFilename[1024];
+                               strcpy(outAccnosFilename, accnosFileName.c_str());
+                               
+                               char inFileName[1024];
+                               strcpy(inFileName, candidateFileNames[s].c_str());
+                               
+                               MPI_File_open(MPI_COMM_WORLD, inFileName, inMode, MPI_INFO_NULL, &inMPI);  //comm, filename, mode, info, filepointer
+                               MPI_File_open(MPI_COMM_WORLD, outAlignFilename, outMode, MPI_INFO_NULL, &outMPIAlign);
+                               MPI_File_open(MPI_COMM_WORLD, outReportFilename, outMode, MPI_INFO_NULL, &outMPIReport);
+                               MPI_File_open(MPI_COMM_WORLD, outAccnosFilename, outMode, MPI_INFO_NULL, &outMPIAccnos);
+                               
+                               if (m->control_pressed) { MPI_File_close(&inMPI);  MPI_File_close(&outMPIAlign);  MPI_File_close(&outMPIReport);  MPI_File_close(&outMPIAccnos); outputTypes.clear(); return 0; }
+                               
+                               if (pid == 0) { //you are the root process 
+                                       
+                                       MPIPos = m->setFilePosFasta(candidateFileNames[s], numFastaSeqs); //fills MPIPos, returns numSeqs
+                                       
+                                       //send file positions to all processes
+                                       for(int i = 1; i < processors; i++) { 
+                                               MPI_Send(&numFastaSeqs, 1, MPI_INT, i, tag, MPI_COMM_WORLD);
+                                               MPI_Send(&MPIPos[0], (numFastaSeqs+1), MPI_LONG, i, tag, MPI_COMM_WORLD);
+                                       }
+                                       
+                                       //figure out how many sequences you have to align
+                                       numSeqsPerProcessor = numFastaSeqs / processors;
+                                       int startIndex =  pid * numSeqsPerProcessor;
+                                       if(pid == (processors - 1)){    numSeqsPerProcessor = numFastaSeqs - pid * numSeqsPerProcessor;         }
+                                       
+                                       //align your part
+                                       driverMPI(startIndex, numSeqsPerProcessor, inMPI, outMPIAlign, outMPIReport, outMPIAccnos, MPIPos);
+                                       
+                                       if (m->control_pressed) { MPI_File_close(&inMPI);  MPI_File_close(&outMPIAlign);  MPI_File_close(&outMPIReport);  MPI_File_close(&outMPIAccnos); outputTypes.clear(); return 0; }
+
+                                       for (int i = 1; i < processors; i++) {
+                                               bool tempResult;
+                                               MPI_Recv(&tempResult, 1, MPI_INT, i, tag, MPI_COMM_WORLD, &status);
+                                               if (tempResult != 0) { MPIWroteAccnos = true; }
+                                       }
+                               }else{ //you are a child process
+                                       MPI_Recv(&numFastaSeqs, 1, MPI_INT, 0, tag, MPI_COMM_WORLD, &status);
+                                       MPIPos.resize(numFastaSeqs+1);
+                                       MPI_Recv(&MPIPos[0], (numFastaSeqs+1), MPI_LONG, 0, tag, MPI_COMM_WORLD, &status);
+
+                                       
+                                       //figure out how many sequences you have to align
+                                       numSeqsPerProcessor = numFastaSeqs / processors;
+                                       int startIndex =  pid * numSeqsPerProcessor;
+                                       if(pid == (processors - 1)){    numSeqsPerProcessor = numFastaSeqs - pid * numSeqsPerProcessor;         }
+                                       
+                                       
+                                       //align your part
+                                       driverMPI(startIndex, numSeqsPerProcessor, inMPI, outMPIAlign, outMPIReport, outMPIAccnos, MPIPos);
+                                       
+                                       if (m->control_pressed) { MPI_File_close(&inMPI);  MPI_File_close(&outMPIAlign);  MPI_File_close(&outMPIReport);  MPI_File_close(&outMPIAccnos); outputTypes.clear(); return 0; }
+
+                                       MPI_Send(&MPIWroteAccnos, 1, MPI_INT, 0, tag, MPI_COMM_WORLD); 
+                               }
+                               
+                               //close files 
+                               MPI_File_close(&inMPI);
+                               MPI_File_close(&outMPIAlign);
+                               MPI_File_close(&outMPIReport);
+                               MPI_File_close(&outMPIAccnos);
+                               
+                               //delete accnos file if blank
+                               if (pid == 0) {
+                                       //delete accnos file if its blank else report to user
+                                       if (MPIWroteAccnos) { 
+                                               m->mothurOut("Some of you sequences generated alignments that eliminated too many bases, a list is provided in " + accnosFileName + ".");
+                                               if (!flip) {
+                                                       m->mothurOut(" If you set the flip parameter to true mothur will try aligning the reverse compliment as well."); 
+                                               }else{  m->mothurOut(" If the reverse compliment proved to be better it was reported.");  }
+                                               m->mothurOutEndLine();
+                                       }else { 
+                                               //MPI_Info info;
+                                               //MPI_File_delete(outAccnosFilename, info);
+                                               hasAccnos = false;      
+                                               m->mothurRemove(accnosFileName); 
+                                       }
+                               }
+                               
+#else
+
+                       vector<unsigned long long> positions; 
+               #if defined (__APPLE__) || (__MACH__) || (linux) || (__linux) || (__linux__) || (__unix__) || (__unix)
+                       positions = m->divideFile(candidateFileNames[s], processors);
+                       for (int i = 0; i < (positions.size()-1); i++) {        lines.push_back(new linePair(positions[i], positions[(i+1)]));  }
+               #else
+                       if (processors == 1) {
+                               lines.push_back(new linePair(0, 1000));
+                       }else {
+                               positions = m->setFilePosFasta(candidateFileNames[s], numFastaSeqs); 
+                               if (positions.size() < processors) { processors = positions.size(); }
+                
+                               //figure out how many sequences you have to process
+                               int numSeqsPerProcessor = numFastaSeqs / processors;
+                               for (int i = 0; i < processors; i++) {
+                                       int startIndex =  i * numSeqsPerProcessor;
+                                       if(i == (processors - 1)){      numSeqsPerProcessor = numFastaSeqs - i * numSeqsPerProcessor;   }
+                                       lines.push_back(new linePair(positions[startIndex], numSeqsPerProcessor));
+                               }
+                       }
+               #endif
+                       
+                       if(processors == 1){
+                               numFastaSeqs = driver(lines[0], alignFileName, reportFileName, accnosFileName, candidateFileNames[s]);
+                       }else{
+                               numFastaSeqs = createProcesses(alignFileName, reportFileName, accnosFileName, candidateFileNames[s]); 
+                       }
+                               
+                       if (m->control_pressed) { m->mothurRemove(accnosFileName); m->mothurRemove(alignFileName); m->mothurRemove(reportFileName); outputTypes.clear();  return 0; }
+                       
+                       //delete accnos file if its blank else report to user
+                       if (m->isBlank(accnosFileName)) {  m->mothurRemove(accnosFileName);  hasAccnos = false; }
+                       else { 
+                               m->mothurOut("Some of you sequences generated alignments that eliminated too many bases, a list is provided in " + accnosFileName + ".");
+                               if (!flip) {
+                                       m->mothurOut(" If you set the flip parameter to true mothur will try aligning the reverse compliment as well."); 
+                               }else{  m->mothurOut(" If the reverse compliment proved to be better it was reported.");  }
+                               m->mothurOutEndLine();
+                       }
+
+#endif         
+
+
+               #ifdef USE_MPI
+                       MPI_Comm_rank(MPI_COMM_WORLD, &pid); 
+                                       
+                       if (pid == 0) { //only one process should output to screen
+               #endif
+
+                       outputNames.push_back(alignFileName); outputTypes["fasta"].push_back(alignFileName);
+                       outputNames.push_back(reportFileName); outputTypes["alignreport"].push_back(reportFileName);
+                       if (hasAccnos)  {       outputNames.push_back(accnosFileName);  outputTypes["accnos"].push_back(accnosFileName);  }
+                       
+               #ifdef USE_MPI
+                       }
+               #endif
+
+                       m->mothurOut("It took " + toString(time(NULL) - start) + " secs to align " + toString(numFastaSeqs) + " sequences.");
+                       m->mothurOutEndLine();
+                       m->mothurOutEndLine();
+               }
+               
+               //set align file as new current fastafile
+               string currentFasta = "";
+               itTypes = outputTypes.find("fasta");
+               if (itTypes != outputTypes.end()) {
+                       if ((itTypes->second).size() != 0) { currentFasta = (itTypes->second)[0]; m->setFastaFile(currentFasta); }
+               }
+               
+               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) {
-               errorOut(e, "AlignCommand", "help");
+               m->errorOut(e, "AlignCommand", "execute");
                exit(1);
        }
 }
 
-
 //**********************************************************************************************************************
-
-int AlignCommand::execute(){
+int AlignCommand::driver(linePair* filePos, string alignFName, string reportFName, string accnosFName, string filename){
        try {
-               if (abort == true) {    return 0;       }
+               ofstream alignmentFile;
+               m->openOutputFile(alignFName, alignmentFile);
                
-               templateDB = new AlignmentDB(templateFileName, search, kmerSize, gapOpen, gapExtend, match, misMatch);
+               ofstream accnosFile;
+               m->openOutputFile(accnosFName, accnosFile);
+               
+               NastReport report(reportFName);
+               
+               ifstream inFASTA;
+               m->openInputFile(filename, inFASTA);
+
+               inFASTA.seekg(filePos->start);
+
+               bool done = false;
+               int count = 0;
+               
+               //moved this into driver to avoid deep copies in windows paralellized version
+               Alignment* alignment;
                int longestBase = templateDB->getLongestBase();
-       
                if(align == "gotoh")                    {       alignment = new GotohOverlap(gapOpen, gapExtend, match, misMatch, longestBase);                 }
                else if(align == "needleman")   {       alignment = new NeedlemanOverlap(gapOpen, match, misMatch, longestBase);                                }
                else if(align == "blast")               {       alignment = new BlastAlignment(gapOpen, gapExtend, match, misMatch);            }
                else if(align == "noalign")             {       alignment = new NoAlign();                                                                                                      }
                else {
-                       mothurOut(align + " is not a valid alignment option. I will run the command using needleman.");
-                       mothurOutEndLine();
+                       m->mothurOut(align + " is not a valid alignment option. I will run the command using needleman.");
+                       m->mothurOutEndLine();
                        alignment = new NeedlemanOverlap(gapOpen, match, misMatch, longestBase);
                }
-               mothurOut("Aligning sequences...");
-               mothurOutEndLine();
-               
-               string alignFileName = candidateFileName.substr(0,candidateFileName.find_last_of(".")+1) + "align";
-               string reportFileName = candidateFileName.substr(0,candidateFileName.find_last_of(".")+1) + "align.report";
-               
-               int numFastaSeqs = 0;
-               int start = time(NULL);
-               
-#if defined (__APPLE__) || (__MACH__) || (linux) || (__linux)
-               if(processors == 1){
-                       ifstream inFASTA;
-                       openInputFile(candidateFileName, inFASTA);
-                       numFastaSeqs=count(istreambuf_iterator<char>(inFASTA),istreambuf_iterator<char>(), '>');
-                       inFASTA.close();
+       
+               while (!done) {
                        
-                       lines.push_back(new linePair(0, numFastaSeqs));
-               
-                       driver(lines[0], alignFileName, reportFileName);
+                       if (m->control_pressed) {  break; }
                        
-               }
-               else{
-                       vector<int> positions;
-                       processIDS.resize(0);
-                       
-                       ifstream inFASTA;
-                       openInputFile(candidateFileName, inFASTA);
-                       
-                       string input;
-                       while(!inFASTA.eof()){
-                               input = getline(inFASTA);
-                               if (input.length() != 0) {
-                                       if(input[0] == '>'){    int pos = inFASTA.tellg(); positions.push_back(pos - input.length() - 1);       }
+                       Sequence* candidateSeq = new Sequence(inFASTA);  m->gobble(inFASTA);
+            cout  << candidateSeq->getAligned() << endl;
+                       report.setCandidate(candidateSeq);
+
+                       int origNumBases = candidateSeq->getNumBases();
+                       string originalUnaligned = candidateSeq->getUnaligned();
+                       int numBasesNeeded = origNumBases * threshold;
+       
+                       if (candidateSeq->getName() != "") { //incase there is a commented sequence at the end of a file
+                               if (candidateSeq->getUnaligned().length() > alignment->getnRows()) {
+                                       alignment->resize(candidateSeq->getUnaligned().length()+1);
                                }
-                       }
-                       inFASTA.close();
-                       
-                       numFastaSeqs = positions.size();
-                       
-                       int numSeqsPerProcessor = numFastaSeqs / processors;
+                               Sequence temp = templateDB->findClosestSequence(candidateSeq);
+                               Sequence* templateSeq = &temp;
+                               
+                               float searchScore = templateDB->getSearchScore();
+                                                               
+                               Nast* nast = new Nast(alignment, candidateSeq, templateSeq);
+               
+                               Sequence* copy;
+                               
+                               Nast* nast2;
+                               bool needToDeleteCopy = false;  //this is needed in case you have you enter the ifs below
+                                                                                               //since nast does not make a copy of hte sequence passed, and it is used by the reporter below
+                                                                                               //you can't delete the copy sequence til after you report, but you may choose not to create it in the first place
+                                                                                               //so this bool tells you if you need to delete it
+                                                                                               
+                               //if there is a possibility that this sequence should be reversed
+                               if (candidateSeq->getNumBases() < numBasesNeeded) {
+                                       
+                                       string wasBetter =  "";
+                                       //if the user wants you to try the reverse
+                                       if (flip) {
+                               
+                                               //get reverse compliment
+                                               copy = new Sequence(candidateSeq->getName(), originalUnaligned);
+                                               copy->reverseComplement();
+                                               
+                                               //rerun alignment
+                                               Sequence temp2 = templateDB->findClosestSequence(copy);
+                                               Sequence* templateSeq2 = &temp2;
+                                               
+                                               searchScore = templateDB->getSearchScore();
+                                               
+                                               nast2 = new Nast(alignment, copy, templateSeq2);
                        
-                       for (int i = 0; i < processors; i++) {
-                               int startPos = positions[ i * numSeqsPerProcessor ];
-                               if(i == processors - 1){
-                                       numSeqsPerProcessor = numFastaSeqs - i * numSeqsPerProcessor;
+                                               //check if any better
+                                               if (copy->getNumBases() > candidateSeq->getNumBases()) {
+                                                       candidateSeq->setAligned(copy->getAligned());  //use reverse compliments alignment since its better
+                                                       templateSeq = templateSeq2; 
+                                                       delete nast;
+                                                       nast = nast2;
+                                                       needToDeleteCopy = true;
+                                                       wasBetter = "\treverse complement produced a better alignment, so mothur used the reverse complement.";
+                                               }else{  
+                                                       wasBetter = "\treverse complement did NOT produce a better alignment so it was not used, please check sequence.";
+                                                       delete nast2;
+                                                       delete copy;    
+                                               }
+                                       }
+                                       
+                                       //create accnos file with names
+                                       accnosFile << candidateSeq->getName() << wasBetter << endl;
                                }
-                               lines.push_back(new linePair(startPos, numSeqsPerProcessor));
+                               
+                               report.setTemplate(templateSeq);
+                               report.setSearchParameters(search, searchScore);
+                               report.setAlignmentParameters(align, alignment);
+                               report.setNastParameters(*nast);
+       
+                               alignmentFile << '>' << candidateSeq->getName() << '\n' << candidateSeq->getAligned() << endl;
+                               
+                               report.print();
+                               delete nast;
+                               if (needToDeleteCopy) {   delete copy;   }
+                               
+                               count++;
                        }
-                       createProcesses(alignFileName, reportFileName); 
+                       delete candidateSeq;
                        
-                       rename((alignFileName + toString(processIDS[0]) + ".temp").c_str(), alignFileName.c_str());
-                       rename((reportFileName + toString(processIDS[0]) + ".temp").c_str(), reportFileName.c_str());
+                       #if defined (__APPLE__) || (__MACH__) || (linux) || (__linux) || (__linux__) || (__unix__) || (__unix)
+                               unsigned long long pos = inFASTA.tellg();
+                               if ((pos == -1) || (pos >= filePos->end)) { break; }
+                       #else
+                               if (inFASTA.eof()) { break; }
+                       #endif
                        
-                       for(int i=1;i<processors;i++){
-                               appendAlignFiles((alignFileName + toString(processIDS[i]) + ".temp"), alignFileName);
-                               remove((alignFileName + toString(processIDS[i]) + ".temp").c_str());
-                               
-                               appendReportFiles((reportFileName + toString(processIDS[i]) + ".temp"), reportFileName);
-                               remove((reportFileName + toString(processIDS[i]) + ".temp").c_str());
-                       }
+                       //report progress
+                       if((count) % 100 == 0){ m->mothurOutJustToScreen(toString(count) + "\n");               }
                        
                }
-#else
-               ifstream inFASTA;
-               openInputFile(candidateFileName, inFASTA);
-               numFastaSeqs=count(istreambuf_iterator<char>(inFASTA),istreambuf_iterator<char>(), '>');
-               inFASTA.close();
-               
-               lines.push_back(new linePair(0, numFastaSeqs));
+               //report progress
+               if((count) % 100 != 0){ m->mothurOutJustToScreen(toString(count) + "\n");               }
                
-               driver(lines[0], alignFileName, reportFileName);
-#endif
-               
-               mothurOut("It took " + toString(time(NULL) - start) + " secs to align " + toString(numFastaSeqs) + " sequences.");
-               mothurOutEndLine();
-               mothurOutEndLine();
+               delete alignment;
+               alignmentFile.close();
+               inFASTA.close();
+               accnosFile.close();
                
-               return 0;
+               return count;
        }
        catch(exception& e) {
-               errorOut(e, "AlignCommand", "execute");
+               m->errorOut(e, "AlignCommand", "driver");
                exit(1);
        }
 }
-
 //**********************************************************************************************************************
-
-int AlignCommand::driver(linePair* line, string alignFName, string reportFName){
+#ifdef USE_MPI
+int AlignCommand::driverMPI(int start, int num, MPI_File& inMPI, MPI_File& alignFile, MPI_File& reportFile, MPI_File& accnosFile, vector<unsigned long long>& MPIPos){
        try {
-               ofstream alignmentFile;
-               openOutputFile(alignFName, alignmentFile);
-               NastReport report(reportFName);
+               string outputString = "";
+               MPI_Status statusReport; 
+               MPI_Status statusAlign; 
+               MPI_Status statusAccnos; 
+               MPI_Status status; 
+               int pid;
+               MPI_Comm_rank(MPI_COMM_WORLD, &pid); //find out who we are
+       
+               NastReport report;
                
-               ifstream inFASTA;
-               openInputFile(candidateFileName, inFASTA);
+               if (pid == 0) {
+                       outputString = report.getHeaders();
+                       int length = outputString.length();
+            
+                       char* buf = new char[length];
+                       memcpy(buf, outputString.c_str(), length);
+               
+                       MPI_File_write_shared(reportFile, buf, length, MPI_CHAR, &statusReport);
+
+            delete buf;
+               }
+               
+               Alignment* alignment;
+               int longestBase = templateDB->getLongestBase();
+               if(align == "gotoh")                    {       alignment = new GotohOverlap(gapOpen, gapExtend, match, misMatch, longestBase);                 }
+               else if(align == "needleman")   {       alignment = new NeedlemanOverlap(gapOpen, match, misMatch, longestBase);                                }
+               else if(align == "blast")               {       alignment = new BlastAlignment(gapOpen, gapExtend, match, misMatch);            }
+               else if(align == "noalign")             {       alignment = new NoAlign();                                                                                                      }
+               else {
+                       m->mothurOut(align + " is not a valid alignment option. I will run the command using needleman.");
+                       m->mothurOutEndLine();
+                       alignment = new NeedlemanOverlap(gapOpen, match, misMatch, longestBase);
+               }
+               
+               
+               for(int i=0;i<num;i++){
+               
+                       if (m->control_pressed) { delete alignment; return 0; }
+
+                       //read next sequence
+                       int length = MPIPos[start+i+1] - MPIPos[start+i];
 
-               inFASTA.seekg(line->start);
+                       char* buf4 = new char[length];
+                       //memcpy(buf4, outputString.c_str(), length);
 
-               for(int i=0;i<line->numSeqs;i++){
+                       MPI_File_read_at(inMPI, MPIPos[start+i], buf4, length, MPI_CHAR, &status);
                        
-                       Sequence* candidateSeq = new Sequence(inFASTA);
+                       string tempBuf = buf4;
 
-                       if (candidateSeq->getUnaligned().length() > alignment->getnRows()) {
-                               alignment->resize(candidateSeq->getUnaligned().length()+1);
-                       }
-       
-                       report.setCandidate(candidateSeq);
+                       delete buf4;
+
+                       if (tempBuf.length() > length) { tempBuf = tempBuf.substr(0, length);  }
        
-                       Sequence temp = templateDB->findClosestSequence(candidateSeq);
+                       istringstream iss (tempBuf,istringstream::in);
 
-                       Sequence* templateSeq = &temp;
+                       Sequence* candidateSeq = new Sequence(iss);  
+                       report.setCandidate(candidateSeq);
 
-                       report.setTemplate(templateSeq);
-                       report.setSearchParameters(search, templateDB->getSearchScore());
+                       int origNumBases = candidateSeq->getNumBases();
+                       string originalUnaligned = candidateSeq->getUnaligned();
+                       int numBasesNeeded = origNumBases * threshold;
+       
+                       if (candidateSeq->getName() != "") { //incase there is a commented sequence at the end of a file
+                               if (candidateSeq->getUnaligned().length() > alignment->getnRows()) {
+                                       alignment->resize(candidateSeq->getUnaligned().length()+1);
+                               }
+                                                               
+                               Sequence temp = templateDB->findClosestSequence(candidateSeq);
+                               Sequence* templateSeq = &temp;
+                               
+                               float searchScore = templateDB->getSearchScore();
+                                                               
+                               Nast* nast = new Nast(alignment, candidateSeq, templateSeq);
+                               Sequence* copy;
                                
-                       Nast nast(alignment, candidateSeq, templateSeq);
+                               Nast* nast2;
+                               bool needToDeleteCopy = false;  //this is needed in case you have you enter the ifs below
+                                                                                               //since nast does not make a copy of hte sequence passed, and it is used by the reporter below
+                                                                                               //you can't delete the copy sequence til after you report, but you may choose not to create it in the first place
+                                                                                               //so this bool tells you if you need to delete it
+                                                                                               
+                               //if there is a possibility that this sequence should be reversed
+                               if (candidateSeq->getNumBases() < numBasesNeeded) {
+                                       
+                                       string wasBetter = "";
+                                       //if the user wants you to try the reverse
+                                       if (flip) {
+                                               //get reverse compliment
+                                               copy = new Sequence(candidateSeq->getName(), originalUnaligned);
+                                               copy->reverseComplement();
+                                               
+                                               //rerun alignment
+                                               Sequence temp2 = templateDB->findClosestSequence(copy);
+                                               Sequence* templateSeq2 = &temp2;
+                                               
+                                               searchScore = templateDB->getSearchScore();
+                                               
+                                               nast2 = new Nast(alignment, copy, templateSeq2);
+                       
+                                               //check if any better
+                                               if (copy->getNumBases() > candidateSeq->getNumBases()) {
+                                                       candidateSeq->setAligned(copy->getAligned());  //use reverse compliments alignment since its better
+                                                       templateSeq = templateSeq2; 
+                                                       delete nast;
+                                                       nast = nast2;
+                                                       needToDeleteCopy = true;
+                                                       wasBetter = "\treverse complement produced a better alignment, so mothur used the reverse complement.";
+                                               }else{  
+                                                       wasBetter = "\treverse complement did NOT produce a better alignment, please check sequence.";
+                                                       delete nast2;
+                                                       delete copy;    
+                                               }
+                                       }
+                                       
+                                       //create accnos file with names
+                                       outputString = candidateSeq->getName() + wasBetter + "\n";
+                                       
+                                       //send results to parent
+                                       int length = outputString.length();
 
-                       report.setAlignmentParameters(align, alignment);
-       
-                       report.setNastParameters(nast);
+                                       char* buf = new char[length];
+                                       memcpy(buf, outputString.c_str(), length);
+                               
+                                       MPI_File_write_shared(accnosFile, buf, length, MPI_CHAR, &statusAccnos);
+                                       delete buf;
+                                       MPIWroteAccnos = true;
+                               }
+                               
+                               report.setTemplate(templateSeq);
+                               report.setSearchParameters(search, searchScore);
+                               report.setAlignmentParameters(align, alignment);
+                               report.setNastParameters(*nast);
        
-                       alignmentFile << '>' << candidateSeq->getName() << '\n' << candidateSeq->getAligned() << endl;
+                               outputString =  ">" + candidateSeq->getName() + "\n" + candidateSeq->getAligned() + "\n";
                                
-                       report.print();
-                       
+                               //send results to parent
+                               int length = outputString.length();
+                               char* buf2 = new char[length];
+                               memcpy(buf2, outputString.c_str(), length);
+                               
+                               MPI_File_write_shared(alignFile, buf2, length, MPI_CHAR, &statusAlign);
+                               
+                               delete buf2;
+
+                               outputString = report.getReport();
+                               
+                               //send results to parent
+                               length = outputString.length();
+                               char* buf3 = new char[length];
+                               memcpy(buf3, outputString.c_str(), length);
+                               
+                               MPI_File_write_shared(reportFile, buf3, length, MPI_CHAR, &statusReport);
+                               
+                               delete buf3;
+                               delete nast;
+                               if (needToDeleteCopy) {   delete copy;   }
+                       }
                        delete candidateSeq;
-               
+                       
+                       //report progress
+                       if((i+1) % 100 == 0){   cout << (toString(i+1)) << endl;                }
                }
-               
-               alignmentFile.close();
-               inFASTA.close();
+               //report progress
+               if((num) % 100 != 0){   cout << (toString(num)) << endl;                }
                
                return 1;
        }
        catch(exception& e) {
-               errorOut(e, "AlignCommand", "driver");
+               m->errorOut(e, "AlignCommand", "driverMPI");
                exit(1);
        }
 }
-
+#endif
 /**************************************************************************************************/
 
-void AlignCommand::createProcesses(string alignFileName, string reportFileName) {
+int AlignCommand::createProcesses(string alignFileName, string reportFileName, string accnosFName, string filename) {
        try {
-#if defined (__APPLE__) || (__MACH__) || (linux) || (__linux)
-               int process = 0;
-               //              processIDS.resize(0);
+               int num = 0;
+               processIDS.resize(0);
+#if defined (__APPLE__) || (__MACH__) || (linux) || (__linux) || (__linux__) || (__unix__) || (__unix)
+               int process = 1;
                
                //loop through and create all the processes you want
                while (process != processors) {
@@ -313,72 +857,185 @@ void AlignCommand::createProcesses(string alignFileName, string reportFileName)
                                processIDS.push_back(pid);  //create map from line number to pid so you can append files in correct order later
                                process++;
                        }else if (pid == 0){
-                               driver(lines[process], alignFileName + toString(getpid()) + ".temp", reportFileName + toString(getpid()) + ".temp");
+                               num = driver(lines[process], alignFileName + toString(getpid()) + ".temp", reportFileName + toString(getpid()) + ".temp", accnosFName + toString(getpid()) + ".temp", filename);
+                               
+                               //pass numSeqs to parent
+                               ofstream out;
+                               string tempFile = alignFileName + toString(getpid()) + ".num.temp";
+                               m->openOutputFile(tempFile, out);
+                               out << num << endl;
+                               out.close();
+                               
                                exit(0);
-                       }else { mothurOut("unable to spawn the necessary processes."); mothurOutEndLine(); exit(0); }
+                       }else { 
+                               m->mothurOut("[ERROR]: unable to spawn the necessary processes."); m->mothurOutEndLine(); 
+                               for (int i = 0; i < processIDS.size(); i++) { kill (processIDS[i], SIGINT); }
+                               exit(0);
+                       }
                }
                
+               //do my part
+               num = driver(lines[0], alignFileName, reportFileName, accnosFName, filename);
+               
                //force parent to wait until all the processes are done
-               for (int i=0;i<processors;i++) { 
+               for (int i=0;i<processIDS.size();i++) { 
                        int temp = processIDS[i];
                        wait(&temp);
                }
-#endif         
-       }
-       catch(exception& e) {
-               errorOut(e, "AlignCommand", "createProcesses");
-               exit(1);
-       }
-}
-
-/**************************************************************************************************/
-
-void AlignCommand::appendAlignFiles(string temp, string filename) {
-       try{
                
-               ofstream output;
-               ifstream input;
-               openOutputFileAppend(filename, output);
-               openInputFile(temp, input);
+               vector<string> nonBlankAccnosFiles;
+               if (!(m->isBlank(accnosFName))) { nonBlankAccnosFiles.push_back(accnosFName); }
+               else { m->mothurRemove(accnosFName); } //remove so other files can be renamed to it
+                       
+               for (int i = 0; i < processIDS.size(); i++) {
+                       ifstream in;
+                       string tempFile =  alignFileName + toString(processIDS[i]) + ".num.temp";
+                       m->openInputFile(tempFile, in);
+                       if (!in.eof()) { int tempNum = 0; in >> tempNum; num += tempNum; }
+                       in.close(); m->mothurRemove(tempFile);
+                       
+                       m->appendFiles((alignFileName + toString(processIDS[i]) + ".temp"), alignFileName);
+                       m->mothurRemove((alignFileName + toString(processIDS[i]) + ".temp"));
+                       
+                       appendReportFiles((reportFileName + toString(processIDS[i]) + ".temp"), reportFileName);
+                       m->mothurRemove((reportFileName + toString(processIDS[i]) + ".temp"));
+                       
+                       if (!(m->isBlank(accnosFName + toString(processIDS[i]) + ".temp"))) {
+                               nonBlankAccnosFiles.push_back(accnosFName + toString(processIDS[i]) + ".temp");
+                       }else { m->mothurRemove((accnosFName + toString(processIDS[i]) + ".temp"));  }
+                       
+               }
                
-               while(char c = input.get()){
-                       if(input.eof())         {       break;                  }
-                       else                            {       output << c;    }
+               //append accnos files
+               if (nonBlankAccnosFiles.size() != 0) { 
+                       rename(nonBlankAccnosFiles[0].c_str(), accnosFName.c_str());
+                       
+                       for (int h=1; h < nonBlankAccnosFiles.size(); h++) {
+                               m->appendFiles(nonBlankAccnosFiles[h], accnosFName);
+                               m->mothurRemove(nonBlankAccnosFiles[h]);
+                       }
+               }else { //recreate the accnosfile if needed
+                       ofstream out;
+                       m->openOutputFile(accnosFName, out);
+                       out.close();
                }
+#else
+               //////////////////////////////////////////////////////////////////////////////////////////////////////
+               //Windows version shared memory, so be careful when passing variables through the alignData struct. 
+               //Above fork() will clone, so memory is separate, but that's not the case with windows, 
+               //////////////////////////////////////////////////////////////////////////////////////////////////////
                
-               input.close();
-               output.close();
+               vector<alignData*> pDataArray; 
+               DWORD   dwThreadIdArray[processors-1];
+               HANDLE  hThreadArray[processors-1]; 
+               
+               //Create processor worker threads.
+               for( int i=0; i<processors-1; i++ ){
+                       //copy templateDb
+                       //AlignmentDB* tempDB = new AlignmentDB(*templateDB);
+                       
+                       // Allocate memory for thread data.
+                       string extension = "";
+                       if (i != 0) { extension = toString(i) + ".temp"; }
+                       
+                       alignData* tempalign = new alignData(templateFileName, (alignFileName + extension), (reportFileName + extension), (accnosFName + extension), filename, align, search, kmerSize, m, lines[i]->start, lines[i]->end, flip, match, misMatch, gapOpen, gapExtend, threshold, i);
+                       pDataArray.push_back(tempalign);
+                       processIDS.push_back(i);
+                               
+                       //MySeqSumThreadFunction is in header. It must be global or static to work with the threads.
+                       //default security attributes, thread function name, argument to thread function, use default creation flags, returns the thread identifier
+                       hThreadArray[i] = CreateThread(NULL, 0, MyAlignThreadFunction, pDataArray[i], 0, &dwThreadIdArray[i]);   
+               }
+               
+               //need to check for line ending error
+               ifstream inFASTA;
+               m->openInputFile(filename, inFASTA);
+               inFASTA.seekg(lines[processors-1]->start-1);
+               char c = inFASTA.peek();
+               
+               if (c != '>') { //we need to move back
+                       lines[processors-1]->start--; 
+               }
+               
+               //using the main process as a worker saves time and memory
+               //do my part - do last piece because windows is looking for eof
+               num = driver(lines[processors-1], (alignFileName + toString(processors-1) + ".temp"), (reportFileName + toString(processors-1) + ".temp"), (accnosFName + toString(processors-1) + ".temp"), filename);
+               
+               //Wait until all threads have terminated.
+               WaitForMultipleObjects(processors-1, hThreadArray, TRUE, INFINITE);
+               
+               //Close all thread handles and free memory allocations.
+               for(int i=0; i < pDataArray.size(); i++){
+            if (pDataArray[i]->count != pDataArray[i]->end) {
+                m->mothurOut("[ERROR]: process " + toString(i) + " only processed " + toString(pDataArray[i]->count) + " of " + toString(pDataArray[i]->end) + " sequences assigned to it, quitting. \n"); m->control_pressed = true; 
+            }
+                       num += pDataArray[i]->count;
+                       CloseHandle(hThreadArray[i]);
+                       delete pDataArray[i];
+               }
+               
+               vector<string> nonBlankAccnosFiles;
+               if (!(m->isBlank(accnosFName))) { nonBlankAccnosFiles.push_back(accnosFName); }
+               else { m->mothurRemove(accnosFName); } //remove so other files can be renamed to it
+               
+               for (int i = 1; i < processors; i++) {
+                       m->appendFiles((alignFileName + toString(i) + ".temp"), alignFileName);
+                       m->mothurRemove((alignFileName + toString(i) + ".temp"));
+                       
+                       appendReportFiles((reportFileName + toString(i) + ".temp"), reportFileName);
+                       m->mothurRemove((reportFileName + toString(i) + ".temp"));
+                       
+                       if (!(m->isBlank(accnosFName + toString(i) + ".temp"))) {
+                               nonBlankAccnosFiles.push_back(accnosFName + toString(i) + ".temp");
+                       }else { m->mothurRemove((accnosFName + toString(i) + ".temp"));  }
+               }
+               
+               //append accnos files
+               if (nonBlankAccnosFiles.size() != 0) { 
+                       rename(nonBlankAccnosFiles[0].c_str(), accnosFName.c_str());
+                       
+                       for (int h=1; h < nonBlankAccnosFiles.size(); h++) {
+                               m->appendFiles(nonBlankAccnosFiles[h], accnosFName);
+                               m->mothurRemove(nonBlankAccnosFiles[h]);
+                       }
+               }else { //recreate the accnosfile if needed
+                       ofstream out;
+                       m->openOutputFile(accnosFName, out);
+                       out.close();
+               }       
+#endif 
+               
+               return num;
        }
        catch(exception& e) {
-               errorOut(e, "AlignCommand", "appendAlignFiles");
+               m->errorOut(e, "AlignCommand", "createProcesses");
                exit(1);
        }
 }
-
-/**************************************************************************************************/
+//**********************************************************************************************************************
 
 void AlignCommand::appendReportFiles(string temp, string filename) {
        try{
                
                ofstream output;
                ifstream input;
-               openOutputFileAppend(filename, output);
-               openInputFile(temp, input);
+               m->openOutputFileAppend(filename, output);
+               m->openInputFile(temp, input);
 
                while (!input.eof())    {       char c = input.get(); if (c == 10 || c == 13){  break;  }       } // get header line
                                
-               while(char c = input.get()){
-                       if(input.eof())         {       break;                  }
-                       else                            {       output << c;    }
-               }
+        char buffer[4096];        
+        while (!input.eof()) {
+            input.read(buffer, 4096);
+            output.write(buffer, input.gcount());
+        }
                
                input.close();
                output.close();
        }
        catch(exception& e) {
-               errorOut(e, "AlignCommand", "appendReportFiles");
+               m->errorOut(e, "AlignCommand", "appendReportFiles");
                exit(1);
        }
 }
-
 //**********************************************************************************************************************