]> git.donarmstrong.com Git - mothur.git/blobdiff - seqsummarycommand.cpp
changed how we count sequences in a fastafile to allow for '>' in sequence names
[mothur.git] / seqsummarycommand.cpp
index 24ef1d12e08262a335f7c29104120f7cddc81e1b..7226f9ddac16e61ebc2239ff4d868474b990ec25 100644 (file)
@@ -12,7 +12,7 @@
 
 //***************************************************************************************************************
 
-SeqSummaryCommand::SeqSummaryCommand(string option){
+SeqSummaryCommand::SeqSummaryCommand(string option)  {
        try {
                abort = false;
                
@@ -21,53 +21,70 @@ SeqSummaryCommand::SeqSummaryCommand(string option){
                
                else {
                        //valid paramters for this command
-                       string Array[] =  {"fasta"};
+                       string Array[] =  {"fasta","processors","outputdir","inputdir"};
                        vector<string> myArray (Array, Array+(sizeof(Array)/sizeof(string)));
                        
                        OptionParser parser(option);
                        map<string,string> parameters = parser.getParameters();
                        
                        ValidParameters validParameter;
+                       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;  }
                        }
                        
+                       //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);              
+                       if (inputDir == "not found"){   inputDir = "";          }
+                       else {
+                               string path;
+                               it = parameters.find("fasta");
+                               //user has given a template file
+                               if(it != parameters.end()){ 
+                                       path = hasPath(it->second);
+                                       //if the user has not given a path then, add inputdir. else leave path alone.
+                                       if (path == "") {       parameters["fasta"] = inputDir + it->second;            }
+                               }
+                       }
+                       
                        //check for required parameters
                        fastafile = validParameter.validFile(parameters, "fasta", true);
                        if (fastafile == "not open") { abort = true; }
-                       else if (fastafile == "not found") { fastafile = ""; cout << "fasta is a required parameter for the summary.seqs command." << endl; abort = true;  }    
+                       else if (fastafile == "not found") { fastafile = ""; m->mothurOut("fasta is a required parameter for the summary.seqs command."); m->mothurOutEndLine(); abort = true;  }       
+                       
+                       //if the user changes the output directory command factory will send this info to us in the output parameter 
+                       outputDir = validParameter.validFile(parameters, "outputdir", false);           if (outputDir == "not found"){  
+                               outputDir = ""; 
+                               outputDir += hasPath(fastafile); //if user entered a file with a path then preserve it  
+                       }
                        
+                       string temp = validParameter.validFile(parameters, "processors", false);        if (temp == "not found"){       temp = "1";                             }
+                       convert(temp, processors); 
+
+
                }
        }
        catch(exception& e) {
-               cout << "Standard Error: " << e.what() << " has occurred in the SeqSummaryCommand class Function SeqSummaryCommand. Please contact Pat Schloss at pschloss@microbio.umass.edu." << "\n";
+               m->errorOut(e, "SeqSummaryCommand", "SeqSummaryCommand");
                exit(1);
        }
-       catch(...) {
-               cout << "An unknown error has occurred in the SeqSummaryCommand class function SeqSummaryCommand. Please contact Pat Schloss at pschloss@microbio.umass.edu." << "\n";
-               exit(1);
-       }       
 }
 //**********************************************************************************************************************
 
 void SeqSummaryCommand::help(){
        try {
-               cout << "The summary.seqs command reads a fastafile and ...." << "\n";
-               cout << "The summary.seqs command parameter is fasta and it is required." << "\n";
-               cout << "The summary.seqs command should be in the following format: " << "\n";
-               cout << "summary.seqs(fasta=yourFastaFile) " << "\n";
-               cout << "Note: No spaces between parameter labels (i.e. fasta), '=' and parameters (i.e.yourFastaFile)." << "\n" << "\n";       
+               m->mothurOut("The summary.seqs command reads a fastafile and summarizes the sequences.\n");
+               m->mothurOut("The summary.seqs command parameters are fasta and processors, fasta is required.\n");
+               m->mothurOut("The summary.seqs command should be in the following format: \n");
+               m->mothurOut("summary.seqs(fasta=yourFastaFile, processors=2) \n");
+               m->mothurOut("Note: No spaces between parameter labels (i.e. fasta), '=' and parameters (i.e.yourFastaFile).\n\n");     
        }
        catch(exception& e) {
-               cout << "Standard Error: " << e.what() << " has occurred in the SeqSummaryCommand class Function help. Please contact Pat Schloss at pschloss@microbio.umass.edu." << "\n";
+               m->errorOut(e, "SeqSummaryCommand", "help");
                exit(1);
        }
-       catch(...) {
-               cout << "An unknown error has occurred in the SeqSummaryCommand class function help. Please contact Pat Schloss at pschloss@microbio.umass.edu." << "\n";
-               exit(1);
-       }       
 }
 
 //***************************************************************************************************************
@@ -81,39 +98,171 @@ int SeqSummaryCommand::execute(){
                
                if (abort == true) { return 0; }
                
-               ifstream inFASTA;
-               openInputFile(fastafile, inFASTA);
+               string summaryFile = outputDir + getSimpleName(fastafile) + ".summary";
+                               
                int numSeqs = 0;
-
-               ofstream outSummary;
-               string summaryFile = fastafile + ".summary";
-               openOutputFile(summaryFile, outSummary);
                
                vector<int> startPosition;
                vector<int> endPosition;
                vector<int> seqLength;
                vector<int> ambigBases;
                vector<int> longHomoPolymer;
+                       
+#ifdef USE_MPI 
+                               int pid, numSeqsPerProcessor; 
+                               int tag = 2001;
+                               int startTag = 1; int endTag = 2; int lengthTag = 3; int baseTag = 4; int lhomoTag = 5;
+                               int outMode=MPI_MODE_CREATE|MPI_MODE_WRONLY; 
+                               vector<long> MPIPos;
+                               
+                               MPI_Status status; 
+                               MPI_Status statusOut;
+                               MPI_File inMPI; 
+                               MPI_File outMPI; 
+                               MPI_Comm_size(MPI_COMM_WORLD, &processors);
+                               MPI_Comm_rank(MPI_COMM_WORLD, &pid); 
+                                                       
+                               char tempFileName[1024];
+                               strcpy(tempFileName, fastafile.c_str());
+                               
+                               char sumFileName[1024];
+                               strcpy(sumFileName, summaryFile.c_str());
                
-               outSummary << "seqname\tstart\tend\tnbases\tambigs\tpolymer" << endl;                   
+                               MPI_File_open(MPI_COMM_WORLD, tempFileName, MPI_MODE_RDONLY, MPI_INFO_NULL, &inMPI);  //comm, filename, mode, info, filepointer
+                               MPI_File_open(MPI_COMM_WORLD, sumFileName, outMode, MPI_INFO_NULL, &outMPI);
+                               
+                               if (m->control_pressed) {  MPI_File_close(&inMPI);  MPI_File_close(&outMPI); return 0;  }
+                               
+                               if (pid == 0) { //you are the root process
+                                               //print header
+                                               string outputString = "seqname\tstart\tend\tnbases\tambigs\tpolymer\n"; 
+                                               int length = outputString.length();
+                                               char* buf2 = new char[length];
+                                               memcpy(buf2, outputString.c_str(), length);
+                                       
+                                               MPI_File_write_shared(outMPI, buf2, length, MPI_CHAR, &statusOut);
+                                               delete buf2;
+                                               
+                                               MPIPos = setFilePosFasta(fastafile, numSeqs); //fills MPIPos, returns numSeqs
+                                       
+                                               for(int i = 1; i < processors; i++) { 
+                                                       MPI_Send(&numSeqs, 1, MPI_INT, i, tag, MPI_COMM_WORLD);
+                                                       MPI_Send(&MPIPos[0], (numSeqs+1), MPI_LONG, i, tag, MPI_COMM_WORLD);
+                                               }
+                                               
+                                               //figure out how many sequences you have to do
+                                               numSeqsPerProcessor = numSeqs / processors;
+                                               int startIndex =  pid * numSeqsPerProcessor;
+                                               if(pid == (processors - 1)){    numSeqsPerProcessor = numSeqs - pid * numSeqsPerProcessor;      }
+                                               
+                                               //do your part
+                                               MPICreateSummary(startIndex, numSeqsPerProcessor, startPosition, endPosition, seqLength, ambigBases, longHomoPolymer, inMPI, outMPI, MPIPos);
+                                               
+                               }else { //i am the child process
+                       
+                                       MPI_Recv(&numSeqs, 1, MPI_INT, 0, tag, MPI_COMM_WORLD, &status);
+                                       MPIPos.resize(numSeqs+1);
+                                       MPI_Recv(&MPIPos[0], (numSeqs+1), MPI_LONG, 0, tag, MPI_COMM_WORLD, &status);
+                               
+                                       //figure out how many sequences you have to align
+                                       numSeqsPerProcessor = numSeqs / processors;
+                                       int startIndex =  pid * numSeqsPerProcessor;
+                                       if(pid == (processors - 1)){    numSeqsPerProcessor = numSeqs - pid * numSeqsPerProcessor;      }
+                               
+                                       //do your part
+                                       MPICreateSummary(startIndex, numSeqsPerProcessor, startPosition, endPosition, seqLength, ambigBases, longHomoPolymer, inMPI, outMPI, MPIPos);
+                               }
+                               
+                               MPI_File_close(&inMPI);
+                               MPI_File_close(&outMPI);
+                               MPI_Barrier(MPI_COMM_WORLD); //make everyone wait - just in case
+                               
+                               if (pid == 0) {
+                                       //get the info from the child processes
+                                       for(int i = 1; i < processors; i++) { 
+                                               int size;
+                                               MPI_Recv(&size, 1, MPI_INT, i, tag, MPI_COMM_WORLD, &status);
 
-               while(!inFASTA.eof()){
-                       Sequence current(inFASTA);
-                       startPosition.push_back(current.getStartPos());
-                       endPosition.push_back(current.getEndPos());
-                       seqLength.push_back(current.getNumBases());
-                       ambigBases.push_back(current.getAmbigBases());
-                       longHomoPolymer.push_back(current.getLongHomoPolymer());
+                                               vector<int> temp; temp.resize(size+1);
+                                               
+                                               for(int j = 0; j < 5; j++) { 
+                                               
+                                                       MPI_Recv(&temp[0], (size+1), MPI_INT, i, 2001, MPI_COMM_WORLD, &status); 
+                                                       int receiveTag = temp[temp.size()-1];  //child process added a int to the end to indicate what count this is for
+                                                       
+                                                       if (receiveTag == startTag) { 
+                                                               for (int k = 0; k < size; k++) {                startPosition.push_back(temp[k]);       }
+                                                       }else if (receiveTag == endTag) { 
+                                                               for (int k = 0; k < size; k++) {                endPosition.push_back(temp[k]); }
+                                                       }else if (receiveTag == lengthTag) { 
+                                                               for (int k = 0; k < size; k++) {                seqLength.push_back(temp[k]);   }
+                                                       }else if (receiveTag == baseTag) { 
+                                                               for (int k = 0; k < size; k++) {                ambigBases.push_back(temp[k]);  }
+                                                       }else if (receiveTag == lhomoTag) { 
+                                                               for (int k = 0; k < size; k++) {                longHomoPolymer.push_back(temp[k]);     }
+                                                       }
+                                               } 
+                                       }
 
-                       outSummary << current.getName() << '\t';
-                       outSummary << current.getStartPos() << '\t' << current.getEndPos() << '\t';
-                       outSummary << current.getNumBases() << '\t' << current.getAmbigBases() << '\t';
-                       outSummary << current.getLongHomoPolymer() << endl;
+                               }else{
+                               
+                                       //send my counts
+                                       int size = startPosition.size();
+                                       MPI_Send(&size, 1, MPI_INT, 0, tag, MPI_COMM_WORLD);
+                                       
+                                       startPosition.push_back(startTag);
+                                       int ierr = MPI_Send(&(startPosition[0]), (size+1), MPI_INT, 0, 2001, MPI_COMM_WORLD);
+                                       endPosition.push_back(endTag);
+                                       ierr = MPI_Send (&(endPosition[0]), (size+1), MPI_INT, 0, 2001, MPI_COMM_WORLD);
+                                       seqLength.push_back(lengthTag);
+                                       ierr = MPI_Send(&(seqLength[0]), (size+1), MPI_INT, 0, 2001, MPI_COMM_WORLD);
+                                       ambigBases.push_back(baseTag);
+                                       ierr = MPI_Send(&(ambigBases[0]), (size+1), MPI_INT, 0, 2001, MPI_COMM_WORLD);
+                                       longHomoPolymer.push_back(lhomoTag);
+                                       ierr = MPI_Send(&(longHomoPolymer[0]), (size+1), MPI_INT, 0, 2001, MPI_COMM_WORLD);
+                               }
+                               
+                               MPI_Barrier(MPI_COMM_WORLD); //make everyone wait - just in case
+#else
+               #if defined (__APPLE__) || (__MACH__) || (linux) || (__linux)
+                               if(processors == 1){
+                                       ifstream inFASTA;
+                                       openInputFile(fastafile, inFASTA);
+                                       getNumSeqs(inFASTA, numSeqs);
+                                       inFASTA.close();        
+                                               
+                                       lines.push_back(new linePair(0, numSeqs));
+                                       
+                                       driverCreateSummary(startPosition, endPosition, seqLength, ambigBases, longHomoPolymer, fastafile, summaryFile, lines[0]);
+                               }else{
+                                       numSeqs = setLines(fastafile);                                  
+                                       createProcessesCreateSummary(startPosition, endPosition, seqLength, ambigBases, longHomoPolymer, fastafile, summaryFile); 
+                                       
+                                       rename((summaryFile + toString(processIDS[0]) + ".temp").c_str(), summaryFile.c_str());
+                                       //append files
+                                       for(int i=1;i<processors;i++){
+                                               appendFiles((summaryFile + toString(processIDS[i]) + ".temp"), summaryFile);
+                                               remove((summaryFile + toString(processIDS[i]) + ".temp").c_str());
+                                       }
+                               }
+                               
+                               if (m->control_pressed) {  return 0; }
+               #else
+                               ifstream inFASTA;
+                               openInputFile(fastafile, inFASTA);
+                               getNumSeqs(inFASTA, numSeqs);
+                               inFASTA.close();
+                               
+                               lines.push_back(new linePair(0, numSeqs));
+                               
+                               driverCreateSummary(startPosition, endPosition, seqLength, ambigBases, longHomoPolymer, fastafile, summaryFile, lines[0]);
+                               if (m->control_pressed) {  return 0; }
+               #endif
+#endif
                        
-                       numSeqs++;
-                       gobble(inFASTA);
-               }
-               inFASTA.close();
+               #ifdef USE_MPI
+                       if (pid == 0) { 
+               #endif
                
                sort(startPosition.begin(), startPosition.end());
                sort(endPosition.begin(), endPosition.end());
@@ -128,30 +277,231 @@ int SeqSummaryCommand::execute(){
                int ptile97_5   = int(numSeqs * 0.975);
                int ptile100    = numSeqs - 1;
                
-               cout << endl;
-               cout << "\t\tStart\tEnd\tNBases\tAmbigs\tPolymer" << endl;
-               cout << "Minimum:\t" << startPosition[0] << '\t' << endPosition[0] << '\t' << seqLength[0] << '\t' << ambigBases[0] << '\t' << longHomoPolymer[0] << endl;
-               cout << "2.5%-tile:\t" << startPosition[ptile0_25] << '\t' << endPosition[ptile0_25] << '\t' << seqLength[ptile0_25] << '\t' << ambigBases[ptile0_25] << '\t' << longHomoPolymer[ptile0_25] << endl;
-               cout << "25%-tile:\t" << startPosition[ptile25] << '\t' << endPosition[ptile25] << '\t' << seqLength[ptile25] << '\t' << ambigBases[ptile25] << '\t' << longHomoPolymer[ptile25] << endl;
-               cout << "Median: \t" << startPosition[ptile50] << '\t' << endPosition[ptile50] << '\t' << seqLength[ptile50] << '\t' << ambigBases[ptile50] << '\t' << longHomoPolymer[ptile50] << endl;
-               cout << "75%-tile:\t" << startPosition[ptile75] << '\t' << endPosition[ptile75] << '\t' << seqLength[ptile75] << '\t' << ambigBases[ptile75] << '\t' << longHomoPolymer[ptile75] << endl;
-               cout << "97.5%-tile:\t" << startPosition[ptile97_5] << '\t' << endPosition[ptile97_5] << '\t' << seqLength[ptile97_5] << '\t' << ambigBases[ptile97_5] << '\t' << longHomoPolymer[ptile97_5] << endl;
-               cout << "Maximum:\t" << startPosition[ptile100] << '\t' << endPosition[ptile100] << '\t' << seqLength[ptile100] << '\t' << ambigBases[ptile100] << '\t' << longHomoPolymer[ptile100] << endl;
-               cout << "# of Seqs:\t" << numSeqs << endl;
+               //to compensate for blank sequences that would result in startPosition and endPostion equalling -1
+               if (startPosition[0] == -1) {  startPosition[0] = 0;    }
+               if (endPosition[0] == -1)       {  endPosition[0] = 0;          }
+               
+               if (m->control_pressed) {  remove(summaryFile.c_str()); return 0; }
+               
+               m->mothurOutEndLine();
+               m->mothurOut("\t\tStart\tEnd\tNBases\tAmbigs\tPolymer"); m->mothurOutEndLine();
+               m->mothurOut("Minimum:\t" + toString(startPosition[0]) + "\t" + toString(endPosition[0]) + "\t" + toString(seqLength[0]) + "\t" + toString(ambigBases[0]) + "\t" + toString(longHomoPolymer[0])); m->mothurOutEndLine();
+               m->mothurOut("2.5%-tile:\t" + toString(startPosition[ptile0_25]) + "\t" + toString(endPosition[ptile0_25]) + "\t" + toString(seqLength[ptile0_25]) + "\t" + toString(ambigBases[ptile0_25]) + "\t"+ toString(longHomoPolymer[ptile0_25])); m->mothurOutEndLine();
+               m->mothurOut("25%-tile:\t" + toString(startPosition[ptile25]) + "\t" + toString(endPosition[ptile25]) + "\t" + toString(seqLength[ptile25]) + "\t" + toString(ambigBases[ptile25]) + "\t" + toString(longHomoPolymer[ptile25])); m->mothurOutEndLine();
+               m->mothurOut("Median: \t" + toString(startPosition[ptile50]) + "\t" + toString(endPosition[ptile50]) + "\t" + toString(seqLength[ptile50]) + "\t" + toString(ambigBases[ptile50]) + "\t" + toString(longHomoPolymer[ptile50])); m->mothurOutEndLine();
+               m->mothurOut("75%-tile:\t" + toString(startPosition[ptile75]) + "\t" + toString(endPosition[ptile75]) + "\t" + toString(seqLength[ptile75]) + "\t" + toString(ambigBases[ptile75]) + "\t" + toString(longHomoPolymer[ptile75])); m->mothurOutEndLine();
+               m->mothurOut("97.5%-tile:\t" + toString(startPosition[ptile97_5]) + "\t" + toString(endPosition[ptile97_5]) + "\t" + toString(seqLength[ptile97_5]) + "\t" + toString(ambigBases[ptile97_5]) + "\t" + toString(longHomoPolymer[ptile97_5])); m->mothurOutEndLine();
+               m->mothurOut("Maximum:\t" + toString(startPosition[ptile100]) + "\t" + toString(endPosition[ptile100]) + "\t" + toString(seqLength[ptile100]) + "\t" + toString(ambigBases[ptile100]) + "\t" + toString(longHomoPolymer[ptile100])); m->mothurOutEndLine();
+               m->mothurOut("# of Seqs:\t" + toString(numSeqs)); m->mothurOutEndLine();
                
+               if (m->control_pressed) {  remove(summaryFile.c_str()); return 0; }
+               
+               m->mothurOutEndLine();
+               m->mothurOut("Output File Name: "); m->mothurOutEndLine();
+               m->mothurOut(summaryFile); m->mothurOutEndLine();       
+               m->mothurOutEndLine();
+               
+               #ifdef USE_MPI
+                       }
+               #endif
+
                return 0;
        }
        catch(exception& e) {
-               cout << "Standard Error: " << e.what() << " has occurred in the SeqSummaryCommand class Function execute. Please contact Pat Schloss at pschloss@microbio.umass.edu." << "\n";
+               m->errorOut(e, "SeqSummaryCommand", "execute");
                exit(1);
        }
-       catch(...) {
-               cout << "An unknown error has occurred in the SeqSummaryCommand class function execute. Please contact Pat Schloss at pschloss@microbio.umass.edu." << "\n";
+}
+/**************************************************************************************/
+int SeqSummaryCommand::driverCreateSummary(vector<int>& startPosition, vector<int>& endPosition, vector<int>& seqLength, vector<int>& ambigBases, vector<int>& longHomoPolymer, string filename, string sumFile, linePair* line) {     
+       try {
+               
+               ofstream outSummary;
+               openOutputFile(sumFile, outSummary);
+               
+               //print header if you are process 0
+               if (line->start == 0) {
+                       outSummary << "seqname\tstart\tend\tnbases\tambigs\tpolymer" << endl;   
+               }
+                               
+               ifstream in;
+               openInputFile(filename, in);
+                               
+               in.seekg(line->start);
+               
+               for(int i=0;i<line->num;i++){
+                               
+                       if (m->control_pressed) { in.close(); outSummary.close(); return 1; }
+                                       
+                       Sequence current(in);
+       
+                       if (current.getName() != "") {
+                               startPosition.push_back(current.getStartPos());
+                               endPosition.push_back(current.getEndPos());
+                               seqLength.push_back(current.getNumBases());
+                               ambigBases.push_back(current.getAmbigBases());
+                               longHomoPolymer.push_back(current.getLongHomoPolymer());
+                               
+                               outSummary << current.getName() << '\t';
+                               outSummary << current.getStartPos() << '\t' << current.getEndPos() << '\t';
+                               outSummary << current.getNumBases() << '\t' << current.getAmbigBases() << '\t';
+                               outSummary << current.getLongHomoPolymer() << endl;
+                       }
+                       gobble(in);
+               }
+               in.close();
+               
+               return 0;
+       }
+       catch(exception& e) {
+               m->errorOut(e, "SeqSummaryCommand", "driverCreateSummary");
                exit(1);
        }
+}
+#ifdef USE_MPI
+/**************************************************************************************/
+int SeqSummaryCommand::MPICreateSummary(int start, int num, vector<int>& startPosition, vector<int>& endPosition, vector<int>& seqLength, vector<int>& ambigBases, vector<int>& longHomoPolymer, MPI_File& inMPI, MPI_File& outMPI, vector<long>& MPIPos) {    
+       try {
+               
+               int pid;
+               MPI_Status status; 
+               MPI_Comm_rank(MPI_COMM_WORLD, &pid); 
+
+               
+               for(int i=0;i<num;i++){
+                       
+                       if (m->control_pressed) { return 0; }
+                       
+                       //read next sequence
+                       int length = MPIPos[start+i+1] - MPIPos[start+i];
        
+                       char* buf4 = new char[length];
+                       MPI_File_read_at(inMPI, MPIPos[start+i], buf4, length, MPI_CHAR, &status);
+                       
+                       string tempBuf = buf4;
+                       if (tempBuf.length() > length) { tempBuf = tempBuf.substr(0, length);  }
+                       istringstream iss (tempBuf,istringstream::in);
+                       delete buf4;
+
+                       Sequence current(iss);  
+
+                       if (current.getName() != "") {
+                               startPosition.push_back(current.getStartPos());
+                               endPosition.push_back(current.getEndPos());
+                               seqLength.push_back(current.getNumBases());
+                               ambigBases.push_back(current.getAmbigBases());
+                               longHomoPolymer.push_back(current.getLongHomoPolymer());
+                               
+                               string outputString = current.getName() + "\t" + toString(current.getStartPos()) + "\t" + toString(current.getEndPos()) + "\t";
+                               outputString += toString(current.getNumBases()) + "\t" + toString(current.getAmbigBases()) + "\t" + toString(current.getLongHomoPolymer()) + "\n";
+                               
+                               //output to file
+                               length = outputString.length();
+                               char* buf3 = new char[length];
+                               memcpy(buf3, outputString.c_str(), length);
+                                       
+                               MPI_File_write_shared(outMPI, buf3, length, MPI_CHAR, &status);
+                               delete buf3;
+                       }       
+               }
+               
+               return 0;
+       }
+       catch(exception& e) {
+               m->errorOut(e, "SeqSummaryCommand", "MPICreateSummary");
+               exit(1);
+       }
+}
+#endif
+/**************************************************************************************************/
+int SeqSummaryCommand::createProcessesCreateSummary(vector<int>& startPosition, vector<int>& endPosition, vector<int>& seqLength, vector<int>& ambigBases, vector<int>& longHomoPolymer, string filename, string sumFile) {
+       try {
+#if defined (__APPLE__) || (__MACH__) || (linux) || (__linux)
+               int process = 0;
+               int exitCommand = 1;
+               processIDS.clear();
+               
+               //loop through and create all the processes you want
+               while (process != processors) {
+                       int pid = vfork();
+                       
+                       if (pid > 0) {
+                               processIDS.push_back(pid);  //create map from line number to pid so you can append files in correct order later
+                               process++;
+                       }else if (pid == 0){
+                               driverCreateSummary(startPosition, endPosition, seqLength, ambigBases, longHomoPolymer, fastafile, sumFile + toString(getpid()) + ".temp", lines[process]);
+                               exit(0);
+                       }else { m->mothurOut("unable to spawn the necessary processes."); m->mothurOutEndLine(); exit(0); }
+               }
+               
+               //force parent to wait until all the processes are done
+               for (int i=0;i<processors;i++) { 
+                       int temp = processIDS[i];
+                       wait(&temp);
+               }
+               
+               return exitCommand;
+#endif         
+       }
+       catch(exception& e) {
+               m->errorOut(e, "SeqSummaryCommand", "createProcessesCreateSummary");
+               exit(1);
+       }
 }
+/**************************************************************************************************/
+
+int SeqSummaryCommand::setLines(string filename) {
+       try {
+               
+               vector<long int> positions;
+               
+               ifstream inFASTA;
+               openInputFile(filename, inFASTA);
+                       
+               string input;
+               while(!inFASTA.eof()){  
+                       input = getline(inFASTA);
+
+                       if (input.length() != 0) {
+                               if(input[0] == '>'){ long int pos = inFASTA.tellg(); positions.push_back(pos - input.length() - 1);     }
+                       }
+               }
+               inFASTA.close();
+               
+               int numFastaSeqs = positions.size();
+       
+               FILE * pFile;
+               long size;
+               
+               //get num bytes in file
+               pFile = fopen (filename.c_str(),"rb");
+               if (pFile==NULL) perror ("Error opening file");
+               else{
+                       fseek (pFile, 0, SEEK_END);
+                       size=ftell (pFile);
+                       fclose (pFile);
+               }
+               
+               int numSeqsPerProcessor = numFastaSeqs / processors;
+               
+               for (int i = 0; i < processors; i++) {
 
+                       long int startPos = positions[ i * numSeqsPerProcessor ];
+                       if(i == processors - 1){
+                               numSeqsPerProcessor = numFastaSeqs - i * numSeqsPerProcessor;
+                       }else{  
+                               long int myEnd = positions[ (i+1) * numSeqsPerProcessor ];
+                       }
+                       lines.push_back(new linePair(startPos, numSeqsPerProcessor));
+               }
+               
+               return numFastaSeqs;
+       }
+       catch(exception& e) {
+               m->errorOut(e, "SeqSummaryCommand", "setLines");
+               exit(1);
+       }
+}
 //***************************************************************************************************************