]> git.donarmstrong.com Git - mothur.git/blobdiff - aligncommand.cpp
added citation function to commands
[mothur.git] / aligncommand.cpp
index b4af28a2990a44d69527d4c5cb7e5984d8b73033..95604fc4ff4f738dc780de23b01ab65d4f473fe7 100644 (file)
 #include "nast.hpp"
 #include "nastreport.hpp"
 
-
 //**********************************************************************************************************************
-vector<string> AlignCommand::getValidParameters(){     
+vector<string> AlignCommand::setParameters(){  
        try {
-               string AlignArray[] =  {"template","candidate","search","ksize","align","match","mismatch","gapopen","gapextend", "processors","flip","threshold","outputdir","inputdir"};
-               vector<string> myArray (AlignArray, AlignArray+(sizeof(AlignArray)/sizeof(string)));
+               CommandParameter ptemplate("reference", "InputTypes", "", "", "none", "none", "none",false,true); parameters.push_back(ptemplate);
+               CommandParameter pcandidate("fasta", "InputTypes", "", "", "none", "none", "none",false,true); parameters.push_back(pcandidate);
+               CommandParameter psearch("search", "Multiple", "kmer-blast-suffix", "kmer", "", "", "",false,false); 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); parameters.push_back(palign);
+               CommandParameter pmismatch("mismatch", "Number", "", "-1.0", "", "", "",false,false); parameters.push_back(pmismatch);
+               CommandParameter pgapopen("gapopen", "Number", "", "-2.0", "", "", "",false,false); parameters.push_back(pgapopen);
+               CommandParameter pgapextend("gapextend", "Number", "", "-1.0", "", "", "",false,false); parameters.push_back(pgapextend);
+               CommandParameter pprocessors("processors", "Number", "", "1", "", "", "",false,false); parameters.push_back(pprocessors);
+               CommandParameter pflip("flip", "Boolean", "", "F", "", "", "",false,false); parameters.push_back(pflip);
+               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);
+
+               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", "getValidParameters");
+               m->errorOut(e, "AlignCommand", "setParameters");
                exit(1);
        }
 }
 //**********************************************************************************************************************
-vector<string> AlignCommand::getRequiredParameters(){  
+string AlignCommand::getHelpString(){  
        try {
-               string AlignArray[] =  {"template","candidate"};
-               vector<string> myArray (AlignArray, AlignArray+(sizeof(AlignArray)/sizeof(string)));
-               return myArray;
+               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 -2.0.";
+               helpString += "The gapextend parameter allows you to specify the penalty for extending a gap in an alignment.  The default is -1.0.";
+               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 += "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", "getRequiredParameters");
-               exit(1);
-       }
-}
-//**********************************************************************************************************************
-vector<string> AlignCommand::getRequiredFiles(){       
-       try {
-               vector<string> myArray;
-               return myArray;
-       }
-       catch(exception& e) {
-               m->errorOut(e, "AlignCommand", "getRequiredFiles");
+               m->errorOut(e, "AlignCommand", "getHelpString");
                exit(1);
        }
 }
 //**********************************************************************************************************************
 AlignCommand::AlignCommand(){  
        try {
-               //initialize outputTypes
+               abort = true; calledHelp = true; 
+               setParameters();
                vector<string> tempOutNames;
                outputTypes["fasta"] = tempOutNames;
                outputTypes["alignreport"] = tempOutNames;
@@ -78,16 +99,14 @@ AlignCommand::AlignCommand(){
 //**********************************************************************************************************************
 AlignCommand::AlignCommand(string option)  {
        try {
-               abort = false;
+               abort = false; calledHelp = false;   
        
                //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","flip","threshold","outputdir","inputdir"};
-                       vector<string> myArray (AlignArray, AlignArray+(sizeof(AlignArray)/sizeof(string)));
+                       vector<string> myArray = setParameters();
                        
                        OptionParser parser(option);
                        map<string, string> parameters = parser.getParameters(); 
@@ -117,74 +136,96 @@ AlignCommand::AlignCommand(string option)  {
                        else {
                                string path;
 
-                               it = parameters.find("template");
+                               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["template"] = inputDir + it->second;         }
+                                       if (path == "") {       parameters["reference"] = inputDir + it->second;                }
                                }
                        }
 
                        //check for required parameters
-                       templateFileName = validParameter.validFile(parameters, "template", true);
+                       templateFileName = validParameter.validFile(parameters, "reference", true);
                        
                        if (templateFileName == "not found") { 
-                               m->mothurOut("template is a required parameter for the align.seqs command."); 
+                               m->mothurOut("reference is a required parameter for the align.seqs command."); 
                                m->mothurOutEndLine();
                                abort = true; 
                        }else if (templateFileName == "not open") { abort = true; }     
                        
-                       candidateFileName = validParameter.validFile(parameters, "candidate", false);
-                       if (candidateFileName == "not found") { m->mothurOut("candidate is a required parameter for the align.seqs command."); m->mothurOutEndLine(); abort = true;  }
-                       else { 
+                       candidateFileName = validParameter.validFile(parameters, "fasta", false);
+                       if (candidateFileName == "not found") { 
+                               //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]);
                                        
-                                       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");
-                               
-                                       //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();
-                                                       ableToOpen = m->openInputFile(tryPath, in, "noerror");
-                                                       candidateFileNames[i] = tryPath;
+                                       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 you can't open it, try default 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();
-                                                       ableToOpen = m->openInputFile(tryPath, in, "noerror");
-                                                       candidateFileNames[i] = tryPath;
-                                               }
-                                       }
+                                       if (!ignore) {
                                        
-                                       in.close();                                     
+                                               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--;
+                                               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--;
+                                               }
                                        }
-                                       
                                }
                                
                                //make sure there is at least one valid file left
@@ -209,7 +250,8 @@ AlignCommand::AlignCommand(string option)  {
                        temp = validParameter.validFile(parameters, "gapextend", false);        if (temp == "not found"){       temp = "-1.0";                  }
                        convert(temp, gapExtend); 
                        
-                       temp = validParameter.validFile(parameters, "processors", false);       if (temp == "not found"){       temp = "1";                             }
+                       temp = validParameter.validFile(parameters, "processors", false);       if (temp == "not found"){       temp = m->getProcessors();      }
+                       m->setProcessors(temp);
                        convert(temp, processors); 
                        
                        temp = validParameter.validFile(parameters, "flip", false);                     if (temp == "not found"){       temp = "f";                             }
@@ -219,8 +261,11 @@ AlignCommand::AlignCommand(string option)  {
                        convert(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; }
+
                }
                
        }
@@ -230,7 +275,6 @@ AlignCommand::AlignCommand(string option)  {
        }
 }
 //**********************************************************************************************************************
-
 AlignCommand::~AlignCommand(){ 
 
        if (abort == false) {
@@ -239,42 +283,11 @@ AlignCommand::~AlignCommand(){
                delete alignment;
        }
 }
-
-//**********************************************************************************************************************
-
-void AlignCommand::help(){
-       try {
-               m->mothurOut("The align.seqs command reads a file containing sequences and creates an alignment file and a report file.\n");
-               m->mothurOut("The align.seqs command parameters are template, candidate, search, ksize, align, match, mismatch, gapopen, gapextend and processors.\n");
-               m->mothurOut("The template and candidate parameters are required. You may enter multiple fasta files by separating their names with dashes. ie. fasta=abrecovery.fasta-amzon.fasta \n");
-               m->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");
-               m->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");
-               m->mothurOut("The ksize parameter allows you to specify the kmer size for finding most similar template to candidate.  The default is 8.\n");
-               m->mothurOut("The match parameter allows you to specify the bonus for having the same base. The default is 1.0.\n");
-               m->mothurOut("The mistmatch parameter allows you to specify the penalty for having different bases.  The default is -1.0.\n");
-               m->mothurOut("The gapopen parameter allows you to specify the penalty for opening a gap in an alignment. The default is -2.0.\n");
-               m->mothurOut("The gapextend parameter allows you to specify the penalty for extending a gap in an alignment.  The default is -1.0.\n");
-               m->mothurOut("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.\n");
-               m->mothurOut("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.\n");
-               m->mothurOut("If the flip parameter is set to true the reverse complement of the sequence is aligned and the better alignment is reported.\n");
-               m->mothurOut("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.\n");
-               m->mothurOut("The align.seqs command should be in the following format: \n");
-               m->mothurOut("align.seqs(template=yourTemplateFile, candidate=yourCandidateFile, align=yourAlignmentMethod, search=yourSearchmethod, ksize=yourKmerSize, match=yourMatchBonus, mismatch=yourMismatchpenalty, gapopen=yourGapopenPenalty, gapextend=yourGapExtendPenalty) \n");
-               m->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");
-               m->mothurOut("Note: No spaces between parameter labels (i.e. candidate), '=' and parameters (i.e.yourFastaFile).\n\n");
-       }
-       catch(exception& e) {
-               m->errorOut(e, "AlignCommand", "help");
-               exit(1);
-       }
-}
-
-
 //**********************************************************************************************************************
 
 int AlignCommand::execute(){
        try {
-               if (abort == true) {    return 0;       }
+               if (abort == true) { if (calledHelp) { return 0; }  return 2;   }
 
                templateDB = new AlignmentDB(templateFileName, search, kmerSize, gapOpen, gapExtend, match, misMatch);
                int longestBase = templateDB->getLongestBase();
@@ -305,7 +318,7 @@ int AlignCommand::execute(){
                        int start = time(NULL);
                
 #ifdef USE_MPI 
-                               int pid, end, numSeqsPerProcessor; 
+                               int pid, numSeqsPerProcessor; 
                                int tag = 2001;
                                vector<unsigned long int> MPIPos;
                                MPIWroteAccnos = false;
@@ -418,62 +431,12 @@ int AlignCommand::execute(){
        #if defined (__APPLE__) || (__MACH__) || (linux) || (__linux)
                        if(processors == 1){
                                numFastaSeqs = driver(lines[0], alignFileName, reportFileName, accnosFileName, candidateFileNames[s]);
-                               
-                               if (m->control_pressed) { remove(accnosFileName.c_str()); remove(alignFileName.c_str()); remove(reportFileName.c_str()); outputTypes.clear(); return 0; }
-                               
-                               //delete accnos file if its blank else report to user
-                               if (m->isBlank(accnosFileName)) {  remove(accnosFileName.c_str());  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();
-                               }
                        }else{
-                               processIDS.resize(0);
-                               
                                numFastaSeqs = createProcesses(alignFileName, reportFileName, accnosFileName, candidateFileNames[s]); 
-                               
-                               rename((alignFileName + toString(processIDS[0]) + ".temp").c_str(), alignFileName.c_str());
-                               rename((reportFileName + toString(processIDS[0]) + ".temp").c_str(), reportFileName.c_str());
-                               
-                               //append alignment and report files
-                               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());
-                               }
-                               
-                               vector<string> nonBlankAccnosFiles;
-                               //delete blank accnos files generated with multiple processes
-                               for(int i=0;i<processors;i++){  
-                                       if (!(m->isBlank(accnosFileName + toString(processIDS[i]) + ".temp"))) {
-                                               nonBlankAccnosFiles.push_back(accnosFileName + toString(processIDS[i]) + ".temp");
-                                       }else { remove((accnosFileName + toString(processIDS[i]) + ".temp").c_str());  }
-                               }
-                               
-                               //append accnos files
-                               if (nonBlankAccnosFiles.size() != 0) { 
-                                       rename(nonBlankAccnosFiles[0].c_str(), accnosFileName.c_str());
-                                       
-                                       for (int h=1; h < nonBlankAccnosFiles.size(); h++) {
-                                               appendAlignFiles(nonBlankAccnosFiles[h], accnosFileName);
-                                               remove(nonBlankAccnosFiles[h].c_str());
-                                       }
-                                       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{ hasAccnos = false;  }
-                               
-                               if (m->control_pressed) { remove(accnosFileName.c_str()); remove(alignFileName.c_str()); remove(reportFileName.c_str()); outputTypes.clear(); return 0; }
                        }
        #else
                        numFastaSeqs = driver(lines[0], alignFileName, reportFileName, accnosFileName, candidateFileNames[s]);
+       #endif
                        
                        if (m->control_pressed) { remove(accnosFileName.c_str()); remove(alignFileName.c_str()); remove(reportFileName.c_str()); outputTypes.clear();  return 0; }
                        
@@ -486,8 +449,6 @@ int AlignCommand::execute(){
                                }else{  m->mothurOut(" If the reverse compliment proved to be better it was reported.");  }
                                m->mothurOutEndLine();
                        }
-                       
-       #endif
 
 #endif         
 
@@ -511,6 +472,12 @@ int AlignCommand::execute(){
                        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();
@@ -550,7 +517,8 @@ int AlignCommand::driver(linePair* filePos, string alignFName, string reportFNam
                        if (m->control_pressed) {  return 0; }
                        
                        Sequence* candidateSeq = new Sequence(inFASTA);  m->gobble(inFASTA);
-                       
+                       report.setCandidate(candidateSeq);
+
                        int origNumBases = candidateSeq->getNumBases();
                        string originalUnaligned = candidateSeq->getUnaligned();
                        int numBasesNeeded = origNumBases * threshold;
@@ -562,10 +530,11 @@ int AlignCommand::driver(linePair* filePos, string alignFName, string reportFNam
                                                                
                                Sequence temp = templateDB->findClosestSequence(candidateSeq);
                                Sequence* templateSeq = &temp;
-                               
+                       
                                float searchScore = templateDB->getSearchScore();
                                                                
                                Nast* nast = new Nast(alignment, candidateSeq, templateSeq);
+               
                                Sequence* copy;
                                
                                Nast* nast2;
@@ -580,6 +549,7 @@ int AlignCommand::driver(linePair* filePos, string alignFName, string reportFNam
                                        string wasBetter =  "";
                                        //if the user wants you to try the reverse
                                        if (flip) {
+                               
                                                //get reverse compliment
                                                copy = new Sequence(candidateSeq->getName(), originalUnaligned);
                                                copy->reverseComplement();
@@ -611,7 +581,6 @@ int AlignCommand::driver(linePair* filePos, string alignFName, string reportFNam
                                        accnosFile << candidateSeq->getName() << wasBetter << endl;
                                }
                                
-                               report.setCandidate(candidateSeq);
                                report.setTemplate(templateSeq);
                                report.setSearchParameters(search, searchScore);
                                report.setAlignmentParameters(align, alignment);
@@ -699,7 +668,8 @@ int AlignCommand::driverMPI(int start, int num, MPI_File& inMPI, MPI_File& align
                        istringstream iss (tempBuf,istringstream::in);
 
                        Sequence* candidateSeq = new Sequence(iss);  
-       
+                       report.setCandidate(candidateSeq);
+
                        int origNumBases = candidateSeq->getNumBases();
                        string originalUnaligned = candidateSeq->getUnaligned();
                        int numBasesNeeded = origNumBases * threshold;
@@ -748,6 +718,7 @@ int AlignCommand::driverMPI(int start, int num, MPI_File& inMPI, MPI_File& align
                                                        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;
@@ -769,7 +740,6 @@ int AlignCommand::driverMPI(int start, int num, MPI_File& inMPI, MPI_File& align
                                        MPIWroteAccnos = true;
                                }
                                
-                               report.setCandidate(candidateSeq);
                                report.setTemplate(templateSeq);
                                report.setSearchParameters(search, searchScore);
                                report.setAlignmentParameters(align, alignment);
@@ -820,7 +790,8 @@ int AlignCommand::driverMPI(int start, int num, MPI_File& inMPI, MPI_File& align
 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 process = 1;
                int num = 0;
                //              processIDS.resize(0);
                
@@ -842,21 +813,57 @@ int AlignCommand::createProcesses(string alignFileName, string reportFileName, s
                                out.close();
                                
                                exit(0);
-                       }else { m->mothurOut("unable to spawn the necessary processes."); m->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);
                }
                
+               vector<string> nonBlankAccnosFiles;
+               if (!(m->isBlank(accnosFName))) { nonBlankAccnosFiles.push_back(accnosFName); }
+               else { remove(accnosFName.c_str()); } //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(); remove(tempFile.c_str());
+                       
+                       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());
+                       
+                       if (!(m->isBlank(accnosFName + toString(processIDS[i]) + ".temp"))) {
+                               nonBlankAccnosFiles.push_back(accnosFName + toString(processIDS[i]) + ".temp");
+                       }else { remove((accnosFName + toString(processIDS[i]) + ".temp").c_str());  }
+                       
+               }
+               
+               //append accnos files
+               if (nonBlankAccnosFiles.size() != 0) { 
+                       rename(nonBlankAccnosFiles[0].c_str(), accnosFName.c_str());
+                       
+                       for (int h=1; h < nonBlankAccnosFiles.size(); h++) {
+                               appendAlignFiles(nonBlankAccnosFiles[h], accnosFName);
+                               remove(nonBlankAccnosFiles[h].c_str());
+                       }
+               }else { //recreate the accnosfile if needed
+                       ofstream out;
+                       m->openOutputFile(accnosFName, out);
+                       out.close();
                }
                
                return num;