]> git.donarmstrong.com Git - mothur.git/blobdiff - screenseqscommand.cpp
fixes while testing
[mothur.git] / screenseqscommand.cpp
index ab750321b8468670d626f5d5b724aba61a98c071..8a7a108eb322978377a9d09ffb880a2745c54caf 100644 (file)
 #include "screenseqscommand.h"
 #include "sequence.hpp"
 
+//**********************************************************************************************************************
+vector<string> ScreenSeqsCommand::getValidParameters(){        
+       try {
+               string Array[] =  {"fasta", "start", "end", "maxambig", "maxhomop","optimize","criteria", "minlength", "maxlength",
+                                                                       "name", "group", "alignreport","processors","outputdir","inputdir"};
+               vector<string> myArray (Array, Array+(sizeof(Array)/sizeof(string)));
+               return myArray;
+       }
+       catch(exception& e) {
+               m->errorOut(e, "ScreenSeqsCommand", "getValidParameters");
+               exit(1);
+       }
+}
+//**********************************************************************************************************************
+ScreenSeqsCommand::ScreenSeqsCommand(){        
+       try {
+               abort = true;
+               //initialize outputTypes
+               vector<string> tempOutNames;
+               outputTypes["fasta"] = tempOutNames;
+               outputTypes["name"] = tempOutNames;
+               outputTypes["group"] = tempOutNames;
+               outputTypes["alignreport"] = tempOutNames;
+               outputTypes["accnos"] = tempOutNames;
+       }
+       catch(exception& e) {
+               m->errorOut(e, "ScreenSeqsCommand", "ScreenSeqsCommand");
+               exit(1);
+       }
+}
+//**********************************************************************************************************************
+vector<string> ScreenSeqsCommand::getRequiredParameters(){     
+       try {
+               string Array[] =  {"fasta"};
+               vector<string> myArray (Array, Array+(sizeof(Array)/sizeof(string)));
+               return myArray;
+       }
+       catch(exception& e) {
+               m->errorOut(e, "ScreenSeqsCommand", "getRequiredParameters");
+               exit(1);
+       }
+}
+//**********************************************************************************************************************
+vector<string> ScreenSeqsCommand::getRequiredFiles(){  
+       try {
+               vector<string> myArray;
+               return myArray;
+       }
+       catch(exception& e) {
+               m->errorOut(e, "ScreenSeqsCommand", "getRequiredFiles");
+               exit(1);
+       }
+}
 //***************************************************************************************************************
 
 ScreenSeqsCommand::ScreenSeqsCommand(string option)  {
@@ -21,14 +74,14 @@ ScreenSeqsCommand::ScreenSeqsCommand(string option)  {
                
                else {
                        //valid paramters for this command
-                       string AlignArray[] =  {"fasta", "start", "end", "maxambig", "maxhomop", "minlength", "maxlength",
+                       string AlignArray[] =  {"fasta", "start", "end", "maxambig", "maxhomop","optimize","criteria", "minlength", "maxlength",
                                                                        "name", "group", "alignreport","processors","outputdir","inputdir"};
                        vector<string> myArray (AlignArray, AlignArray+(sizeof(AlignArray)/sizeof(string)));
                        
                        OptionParser parser(option);
                        map<string,string> parameters = parser.getParameters();
                        
-                       ValidParameters validParameter;
+                       ValidParameters validParameter("screen.seqs");
                        map<string,string>::iterator it;
                        
                        //check to make sure all parameters are valid for command
@@ -36,6 +89,14 @@ ScreenSeqsCommand::ScreenSeqsCommand(string option)  {
                                if (validParameter.isValidParameter(it->first, myArray, it->second) != true) {  abort = true;  }
                        }
                        
+                       //initialize outputTypes
+                       vector<string> tempOutNames;
+                       outputTypes["fasta"] = tempOutNames;
+                       outputTypes["name"] = tempOutNames;
+                       outputTypes["group"] = tempOutNames;
+                       outputTypes["alignreport"] = tempOutNames;
+                       outputTypes["accnos"] = tempOutNames;
+                       
                        //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 = "";          }
@@ -44,7 +105,7 @@ ScreenSeqsCommand::ScreenSeqsCommand(string option)  {
                                it = parameters.find("fasta");
                                //user has given a template file
                                if(it != parameters.end()){ 
-                                       path = hasPath(it->second);
+                                       path = m->hasPath(it->second);
                                        //if the user has not given a path then, add inputdir. else leave path alone.
                                        if (path == "") {       parameters["fasta"] = inputDir + it->second;            }
                                }
@@ -52,7 +113,7 @@ ScreenSeqsCommand::ScreenSeqsCommand(string option)  {
                                it = parameters.find("group");
                                //user has given a template file
                                if(it != parameters.end()){ 
-                                       path = hasPath(it->second);
+                                       path = m->hasPath(it->second);
                                        //if the user has not given a path then, add inputdir. else leave path alone.
                                        if (path == "") {       parameters["group"] = inputDir + it->second;            }
                                }
@@ -60,7 +121,7 @@ ScreenSeqsCommand::ScreenSeqsCommand(string option)  {
                                it = parameters.find("name");
                                //user has given a template file
                                if(it != parameters.end()){ 
-                                       path = hasPath(it->second);
+                                       path = m->hasPath(it->second);
                                        //if the user has not given a path then, add inputdir. else leave path alone.
                                        if (path == "") {       parameters["name"] = inputDir + it->second;             }
                                }
@@ -68,7 +129,7 @@ ScreenSeqsCommand::ScreenSeqsCommand(string option)  {
                                it = parameters.find("alignreport");
                                //user has given a template file
                                if(it != parameters.end()){ 
-                                       path = hasPath(it->second);
+                                       path = m->hasPath(it->second);
                                        //if the user has not given a path then, add inputdir. else leave path alone.
                                        if (path == "") {       parameters["alignreport"] = inputDir + it->second;              }
                                }
@@ -94,7 +155,7 @@ ScreenSeqsCommand::ScreenSeqsCommand(string option)  {
                        //if the user changes the output directory command factory will send this info to us in the output parameter 
                        outputDir = validParameter.validFile(parameters, "outputdir", false);           if (outputDir == "not found"){  
                                outputDir = ""; 
-                               outputDir += hasPath(fastafile); //if user entered a file with a path then preserve it  
+                               outputDir += m->hasPath(fastafile); //if user entered a file with a path then preserve it       
                        }
 
                        //check for optional parameter and set defaults
@@ -120,7 +181,25 @@ ScreenSeqsCommand::ScreenSeqsCommand(string option)  {
                        
                        temp = validParameter.validFile(parameters, "processors", false);       if (temp == "not found"){       temp = "1";                             }
                        convert(temp, processors); 
-
+                       
+                       temp = validParameter.validFile(parameters, "optimize", false); //optimizing trumps the optimized values original value
+                       if (temp == "not found"){       temp = "";              }
+                       else {  m->splitAtDash(temp, optimize);         }
+                       
+                       //check for invalid optimize options
+                       set<string> validOptimizers;
+                       validOptimizers.insert("start"); validOptimizers.insert("end"); validOptimizers.insert("maxambig"); validOptimizers.insert("maxhomop"); validOptimizers.insert("minlength"); validOptimizers.insert("maxlength");
+                       
+                       for (int i = 0; i < optimize.size(); i++) { 
+                               if (validOptimizers.count(optimize[i]) == 0) { 
+                                       m->mothurOut(optimize[i] + " is not a valid optimizer. Valid options are start, end, maxambig, maxhomop, minlength and maxlength."); m->mothurOutEndLine();
+                                       optimize.erase(optimize.begin()+i);
+                                       i--;
+                               }
+                       }
+                       
+                       temp = validParameter.validFile(parameters, "criteria", false); if (temp == "not found"){       temp = "90";                            }
+                       convert(temp, criteria); 
                }
 
        }
@@ -134,7 +213,7 @@ ScreenSeqsCommand::ScreenSeqsCommand(string option)  {
 void ScreenSeqsCommand::help(){
        try {
                m->mothurOut("The screen.seqs command reads a fastafile and creates .....\n");
-               m->mothurOut("The screen.seqs command parameters are fasta, start, end, maxambig, maxhomop, minlength, maxlength, name, and group.\n");
+               m->mothurOut("The screen.seqs command parameters are fasta, start, end, maxambig, maxhomop, minlength, maxlength, name, group, optimize, criteria and processors.\n");
                m->mothurOut("The fasta parameter is required.\n");
                m->mothurOut("The start parameter .... The default is -1.\n");
                m->mothurOut("The end parameter .... The default is -1.\n");
@@ -142,6 +221,9 @@ void ScreenSeqsCommand::help(){
                m->mothurOut("The maxhomop parameter .... The default is -1.\n");
                m->mothurOut("The minlength parameter .... The default is -1.\n");
                m->mothurOut("The maxlength parameter .... The default is -1.\n");
+               m->mothurOut("The processors parameter allows you to specify the number of processors to use while running the command. The default is 1.\n");
+               m->mothurOut("The optimize and criteria parameters allow you set the start, end, maxabig, maxhomop, minlength and maxlength parameters relative to your set of sequences .\n");
+               m->mothurOut("For example optimize=start-end, criteria=90, would set the start and end values to the position 90% of your sequences started and ended.\n");
                m->mothurOut("The name parameter allows you to provide a namesfile, and the group parameter allows you to provide a groupfile.\n");
                m->mothurOut("The screen.seqs command should be in the following format: \n");
                m->mothurOut("screen.seqs(fasta=yourFastaFile, name=youNameFile, group=yourGroupFIle, start=yourStart, end=yourEnd, maxambig=yourMaxambig,  \n");
@@ -166,10 +248,19 @@ int ScreenSeqsCommand::execute(){
        try{
                
                if (abort == true) { return 0; }
+               
+               //if the user want to optimize we need to no the 90% mark
+               vector<unsigned long int> positions;
+               if (optimize.size() != 0) {  getSummary(positions); } //get summary is paralellized so we need to divideFile, no need to do this step twice so I moved it here
+               else { 
+                       positions = m->divideFile(fastafile, processors);
+                       for (int i = 0; i < (positions.size()-1); i++) {
+                               lines.push_back(new linePair(positions[i], positions[(i+1)]));
+                       }       
+               }
                                
-               string goodSeqFile = outputDir + getRootName(getSimpleName(fastafile)) + "good" + getExtension(fastafile);
-               string badSeqFile =  outputDir + getRootName(getSimpleName(fastafile)) + "bad" + getExtension(fastafile);
-               string badAccnosFile =  outputDir + getRootName(getSimpleName(fastafile)) + "bad.accnos";
+               string goodSeqFile = outputDir + m->getRootName(m->getSimpleName(fastafile)) + "good" + m->getExtension(fastafile);
+               string badAccnosFile =  outputDir + m->getRootName(m->getSimpleName(fastafile)) + "bad.accnos";
                
                int numFastaSeqs = 0;
                set<string> badSeqNames;
@@ -178,7 +269,7 @@ int ScreenSeqsCommand::execute(){
 #ifdef USE_MPI 
                        int pid, end, numSeqsPerProcessor; 
                        int tag = 2001;
-                       vector<long> MPIPos;
+                       vector<unsigned long int> MPIPos;
                        
                        MPI_Status status; 
                        MPI_Comm_rank(MPI_COMM_WORLD, &pid); //find out who we are
@@ -186,7 +277,6 @@ int ScreenSeqsCommand::execute(){
 
                        MPI_File inMPI;
                        MPI_File outMPIGood;
-                       MPI_File outMPIBad;
                        MPI_File outMPIBadAccnos;
                        
                        int outMode=MPI_MODE_CREATE|MPI_MODE_WRONLY; 
@@ -195,9 +285,6 @@ int ScreenSeqsCommand::execute(){
                        char outGoodFilename[1024];
                        strcpy(outGoodFilename, goodSeqFile.c_str());
 
-                       char outBadFilename[1024];
-                       strcpy(outBadFilename, badSeqFile.c_str());
-                       
                        char outBadAccnosFilename[1024];
                        strcpy(outBadAccnosFilename, badAccnosFile.c_str());
 
@@ -206,28 +293,29 @@ int ScreenSeqsCommand::execute(){
                        
                        MPI_File_open(MPI_COMM_WORLD, inFileName, inMode, MPI_INFO_NULL, &inMPI);  //comm, filename, mode, info, filepointer
                        MPI_File_open(MPI_COMM_WORLD, outGoodFilename, outMode, MPI_INFO_NULL, &outMPIGood);
-                       MPI_File_open(MPI_COMM_WORLD, outBadFilename, outMode, MPI_INFO_NULL, &outMPIBad);
                        MPI_File_open(MPI_COMM_WORLD, outBadAccnosFilename, outMode, MPI_INFO_NULL, &outMPIBadAccnos);
                        
-                       if (m->control_pressed) { MPI_File_close(&inMPI);  MPI_File_close(&outMPIGood);  MPI_File_close(&outMPIBad); MPI_File_close(&outMPIBadAccnos); return 0; }
+                       if (m->control_pressed) { MPI_File_close(&inMPI);  MPI_File_close(&outMPIGood); MPI_File_close(&outMPIBadAccnos); return 0; }
                        
                        if (pid == 0) { //you are the root process 
                                
-                               MPIPos = setFilePosFasta(fastafile, numFastaSeqs); //fills MPIPos, returns numSeqs
+                               MPIPos = m->setFilePosFasta(fastafile, numFastaSeqs); //fills MPIPos, returns numSeqs
                                
                                //send file positions to all processes
-                               MPI_Bcast(&numFastaSeqs, 1, MPI_INT, 0, MPI_COMM_WORLD);  //send numSeqs
-                               MPI_Bcast(&MPIPos[0], (numFastaSeqs+1), MPI_LONG, 0, MPI_COMM_WORLD); //send file pos   
+                               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;         }
-                               
+               //      cout << pid << '\t' << numSeqsPerProcessor << '\t' <<   startIndex << endl;
                                //align your part
-                               driverMPI(startIndex, numSeqsPerProcessor, inMPI, outMPIGood, outMPIBad, outMPIBadAccnos, MPIPos, badSeqNames);
-
-                               if (m->control_pressed) { MPI_File_close(&inMPI);  MPI_File_close(&outMPIGood);  MPI_File_close(&outMPIBadAccnos); MPI_File_close(&outMPIBad);  return 0; }
+                               driverMPI(startIndex, numSeqsPerProcessor, inMPI, outMPIGood, outMPIBadAccnos, MPIPos, badSeqNames);
+               //cout << pid << " done" << endl;
+                               if (m->control_pressed) { MPI_File_close(&inMPI);  MPI_File_close(&outMPIGood);  MPI_File_close(&outMPIBadAccnos);  return 0; }
 
                                for (int i = 1; i < processors; i++) {
                                
@@ -248,19 +336,19 @@ int ScreenSeqsCommand::execute(){
                                        }*/
                                }
                        }else{ //you are a child process
-                               MPI_Bcast(&numFastaSeqs, 1, MPI_INT, 0, MPI_COMM_WORLD); //get numSeqs
+                               MPI_Recv(&numFastaSeqs, 1, MPI_INT, 0, tag, MPI_COMM_WORLD, &status);
                                MPIPos.resize(numFastaSeqs+1);
-                               MPI_Bcast(&MPIPos[0], (numFastaSeqs+1), MPI_LONG, 0, MPI_COMM_WORLD); //get file positions
-                               
+                               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;         }
-                               
+               //cout << pid << '\t' << numSeqsPerProcessor << '\t' <<         startIndex << endl;             
                                //align your part
-                               driverMPI(startIndex, numSeqsPerProcessor, inMPI, outMPIGood, outMPIBad, outMPIBadAccnos, MPIPos, badSeqNames);
-
-                               if (m->control_pressed) { MPI_File_close(&inMPI);  MPI_File_close(&outMPIGood);  MPI_File_close(&outMPIBad); MPI_File_close(&outMPIBadAccnos); return 0; }
+                               driverMPI(startIndex, numSeqsPerProcessor, inMPI, outMPIGood, outMPIBadAccnos, MPIPos, badSeqNames);
+//cout << pid << " done" << endl;
+                               if (m->control_pressed) { MPI_File_close(&inMPI);  MPI_File_close(&outMPIGood);  MPI_File_close(&outMPIBadAccnos); return 0; }
                                
                                //send bad list 
                                int badSize = badSeqNames.size();
@@ -282,97 +370,54 @@ int ScreenSeqsCommand::execute(){
                        //close files 
                        MPI_File_close(&inMPI);
                        MPI_File_close(&outMPIGood);
-                       MPI_File_close(&outMPIBad);
                        MPI_File_close(&outMPIBadAccnos);
+                       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);
-                               numFastaSeqs=count(istreambuf_iterator<char>(inFASTA),istreambuf_iterator<char>(), '>');
-                               inFASTA.close();
+                               numFastaSeqs = driver(lines[0], goodSeqFile, badAccnosFile, fastafile, badSeqNames);
                                
-                               lines.push_back(new linePair(0, numFastaSeqs));
-                               
-                               driver(lines[0], goodSeqFile, badSeqFile, badAccnosFile, fastafile, badSeqNames);
-                               
-                               if (m->control_pressed) { remove(goodSeqFile.c_str()); remove(badSeqFile.c_str()); return 0; }
+                               if (m->control_pressed) { remove(goodSeqFile.c_str()); return 0; }
                                
                        }else{
-                               vector<int> positions;
                                processIDS.resize(0);
                                
-                               ifstream inFASTA;
-                               openInputFile(fastafile, 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();
-                               
-                               numFastaSeqs = positions.size();
-                               
-                               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;
-                                       }
-                                       lines.push_back(new linePair(startPos, numSeqsPerProcessor));
-                               }
-                               
-                               createProcesses(goodSeqFile, badSeqFile, badAccnosFile, fastafile, badSeqNames); 
+                               numFastaSeqs = createProcesses(goodSeqFile, badAccnosFile, fastafile, badSeqNames); 
                                
                                rename((goodSeqFile + toString(processIDS[0]) + ".temp").c_str(), goodSeqFile.c_str());
-                               rename((badSeqFile + toString(processIDS[0]) + ".temp").c_str(), badSeqFile.c_str());
                                rename((badAccnosFile + toString(processIDS[0]) + ".temp").c_str(), badAccnosFile.c_str());
                                
                                //append alignment and report files
                                for(int i=1;i<processors;i++){
-                                       appendFiles((goodSeqFile + toString(processIDS[i]) + ".temp"), goodSeqFile);
+                                       m->appendFiles((goodSeqFile + toString(processIDS[i]) + ".temp"), goodSeqFile);
                                        remove((goodSeqFile + toString(processIDS[i]) + ".temp").c_str());
-                                       
-                                       appendFiles((badSeqFile + toString(processIDS[i]) + ".temp"), badSeqFile);
-                                       remove((badSeqFile + toString(processIDS[i]) + ".temp").c_str());
-                                       
-                                       appendFiles((badAccnosFile + toString(processIDS[i]) + ".temp"), badAccnosFile);
+                       
+                                       m->appendFiles((badAccnosFile + toString(processIDS[i]) + ".temp"), badAccnosFile);
                                        remove((badAccnosFile + toString(processIDS[i]) + ".temp").c_str());
                                }
                                
-                               if (m->control_pressed) { remove(goodSeqFile.c_str()); remove(badSeqFile.c_str()); return 0; }
+                               if (m->control_pressed) { remove(goodSeqFile.c_str()); return 0; }
                                
                                //read badSeqs in because root process doesnt know what other "bad" seqs the children found
                                ifstream inBad;
-                               int ableToOpen = openInputFile(badAccnosFile, inBad, "no error");
+                               int ableToOpen = m->openInputFile(badAccnosFile, inBad, "no error");
                                
                                if (ableToOpen == 0) {
                                        badSeqNames.clear();
                                        string tempName;
                                        while (!inBad.eof()) {
-                                               inBad >> tempName; gobble(inBad);
+                                               inBad >> tempName; m->gobble(inBad);
                                                badSeqNames.insert(tempName);
                                        }
                                        inBad.close();
                                }
                        }
        #else
-                       ifstream inFASTA;
-                       openInputFile(fastafile, inFASTA);
-                       numFastaSeqs=count(istreambuf_iterator<char>(inFASTA),istreambuf_iterator<char>(), '>');
-                       inFASTA.close();
-                       
-                       lines.push_back(new linePair(0, numFastaSeqs));
-                       
-                       driver(lines[0], goodSeqFile, badSeqFile, badAccnosFile, fastafile, badSeqNames);
+                       numFastaSeqs = driver(lines[0], goodSeqFile, badAccnosFile, fastafile, badSeqNames);
                        
-                       if (m->control_pressed) { remove(goodSeqFile.c_str()); remove(badSeqFile.c_str()); return 0; }
+                       if (m->control_pressed) { remove(goodSeqFile.c_str()); return 0; }
                        
        #endif
 
@@ -406,24 +451,24 @@ int ScreenSeqsCommand::execute(){
                                badSeqNames.clear();
                                string tempName;
                                while (!iss.eof()) {
-                                       iss >> tempName; gobble(iss);
+                                       iss >> tempName; m->gobble(iss);
                                        badSeqNames.insert(tempName);
                                }
                #endif
                                                                                                                                                                        
                if(namefile != "" && groupfile != "")   {       
                        screenNameGroupFile(badSeqNames);       
-                       if (m->control_pressed) {  remove(goodSeqFile.c_str()); remove(badSeqFile.c_str()); return 0; }
+                       if (m->control_pressed) {  remove(goodSeqFile.c_str()); return 0; }
                }else if(namefile != "")        {       
                        screenNameGroupFile(badSeqNames);
-                       if (m->control_pressed) {  remove(goodSeqFile.c_str()); remove(badSeqFile.c_str()); return 0; } 
+                       if (m->control_pressed) {  remove(goodSeqFile.c_str());  return 0; }    
                }else if(groupfile != "")                               {       screenGroupFile(badSeqNames);           }       // this screens just the group
                
-               if (m->control_pressed) { remove(goodSeqFile.c_str()); remove(badSeqFile.c_str()); return 0; }
+               if (m->control_pressed) { remove(goodSeqFile.c_str());  return 0; }
 
                if(alignreport != "")                                   {       screenAlignReport(badSeqNames);         }
                
-               if (m->control_pressed) { remove(goodSeqFile.c_str()); remove(badSeqFile.c_str()); return 0; }
+               if (m->control_pressed) { remove(goodSeqFile.c_str());  return 0; }
                
                #ifdef USE_MPI
                        }
@@ -431,9 +476,8 @@ int ScreenSeqsCommand::execute(){
 
                m->mothurOutEndLine();
                m->mothurOut("Output File Names: "); m->mothurOutEndLine();
-               m->mothurOut(goodSeqFile); m->mothurOutEndLine();       
-               m->mothurOut(badSeqFile); m->mothurOutEndLine();        
-               m->mothurOut(badAccnosFile); m->mothurOutEndLine();     
+               m->mothurOut(goodSeqFile); m->mothurOutEndLine();       outputTypes["fasta"].push_back(goodSeqFile);
+               m->mothurOut(badAccnosFile); m->mothurOutEndLine();      outputTypes["accnos"].push_back(badAccnosFile);
                for (int i = 0; i < outputNames.size(); i++) { m->mothurOut(outputNames[i]); m->mothurOutEndLine(); }
                m->mothurOutEndLine();
                m->mothurOutEndLine();
@@ -454,28 +498,25 @@ int ScreenSeqsCommand::execute(){
 int ScreenSeqsCommand::screenNameGroupFile(set<string> badSeqNames){
        try {
                ifstream inputNames;
-               openInputFile(namefile, inputNames);
+               m->openInputFile(namefile, inputNames);
                set<string> badSeqGroups;
                string seqName, seqList, group;
                set<string>::iterator it;
 
-               string goodNameFile = outputDir + getRootName(getSimpleName(namefile)) + "good" + getExtension(namefile);
-               string badNameFile = outputDir + getRootName(getSimpleName(namefile)) + "bad" + getExtension(namefile);
-               
-               outputNames.push_back(goodNameFile);  outputNames.push_back(badNameFile);
-               
-               ofstream goodNameOut;   openOutputFile(goodNameFile, goodNameOut);
-               ofstream badNameOut;    openOutputFile(badNameFile, badNameOut);                
+               string goodNameFile = outputDir + m->getRootName(m->getSimpleName(namefile)) + "good" + m->getExtension(namefile);
+               outputNames.push_back(goodNameFile);  outputTypes["name"].push_back(goodNameFile);
                
+               ofstream goodNameOut;   m->openOutputFile(goodNameFile, goodNameOut);
+       
                while(!inputNames.eof()){
-                       if (m->control_pressed) { goodNameOut.close(); badNameOut.close(); inputNames.close(); remove(goodNameFile.c_str()); remove(badNameFile.c_str()); return 0; }
+                       if (m->control_pressed) { goodNameOut.close();  inputNames.close(); remove(goodNameFile.c_str());  return 0; }
 
                        inputNames >> seqName >> seqList;
                        it = badSeqNames.find(seqName);
                        
                        if(it != badSeqNames.end()){
                                badSeqNames.erase(it);
-                               badNameOut << seqName << '\t' << seqList << endl;
+                               
                                if(namefile != ""){
                                        int start = 0;
                                        for(int i=0;i<seqList.length();i++){
@@ -490,12 +531,11 @@ int ScreenSeqsCommand::screenNameGroupFile(set<string> badSeqNames){
                        else{
                                goodNameOut << seqName << '\t' << seqList << endl;
                        }
-                       gobble(inputNames);
+                       m->gobble(inputNames);
                }
                inputNames.close();
                goodNameOut.close();
-               badNameOut.close();
-               
+       
                //we were unable to remove some of the bad sequences
                if (badSeqNames.size() != 0) {
                        for (it = badSeqNames.begin(); it != badSeqNames.end(); it++) {  
@@ -507,18 +547,15 @@ int ScreenSeqsCommand::screenNameGroupFile(set<string> badSeqNames){
                if(groupfile != ""){
                        
                        ifstream inputGroups;
-                       openInputFile(groupfile, inputGroups);
+                       m->openInputFile(groupfile, inputGroups);
 
-                       string goodGroupFile = outputDir + getRootName(getSimpleName(groupfile)) + "good" + getExtension(groupfile);
-                       string badGroupFile = outputDir + getRootName(getSimpleName(groupfile)) + "bad" + getExtension(groupfile);
+                       string goodGroupFile = outputDir + m->getRootName(m->getSimpleName(groupfile)) + "good" + m->getExtension(groupfile);
+                       outputNames.push_back(goodGroupFile);   outputTypes["group"].push_back(goodGroupFile);
                        
-                       outputNames.push_back(goodGroupFile);  outputNames.push_back(badGroupFile);
-                       
-                       ofstream goodGroupOut;  openOutputFile(goodGroupFile, goodGroupOut);
-                       ofstream badGroupOut;   openOutputFile(badGroupFile, badGroupOut);              
+                       ofstream goodGroupOut;  m->openOutputFile(goodGroupFile, goodGroupOut);
                        
                        while(!inputGroups.eof()){
-                               if (m->control_pressed) { goodGroupOut.close(); badGroupOut.close(); inputGroups.close(); remove(goodNameFile.c_str()); remove(badNameFile.c_str()); remove(goodGroupFile.c_str()); remove(badGroupFile.c_str()); return 0; }
+                               if (m->control_pressed) { goodGroupOut.close(); inputGroups.close(); remove(goodNameFile.c_str());  remove(goodGroupFile.c_str()); return 0; }
 
                                inputGroups >> seqName >> group;
 
@@ -526,21 +563,19 @@ int ScreenSeqsCommand::screenNameGroupFile(set<string> badSeqNames){
                                
                                if(it != badSeqGroups.end()){
                                        badSeqGroups.erase(it);
-                                       badGroupOut << seqName << '\t' << group << endl;
                                }
                                else{
                                        goodGroupOut << seqName << '\t' << group << endl;
                                }
-                               gobble(inputGroups);
+                               m->gobble(inputGroups);
                        }
                        inputGroups.close();
                        goodGroupOut.close();
-                       badGroupOut.close();
                        
                        //we were unable to remove some of the bad sequences
                        if (badSeqGroups.size() != 0) {
                                for (it = badSeqGroups.begin(); it != badSeqGroups.end(); it++) {  
-                                       m->mothurOut("Your namefile does not include the sequence " + *it + " please correct."); 
+                                       m->mothurOut("Your groupfile does not include the sequence " + *it + " please correct."); 
                                        m->mothurOutEndLine();
                                }
                        }
@@ -554,41 +589,205 @@ int ScreenSeqsCommand::screenNameGroupFile(set<string> badSeqNames){
                exit(1);
        }
 }
+//***************************************************************************************************************
+int ScreenSeqsCommand::getSummary(vector<unsigned long int>& positions){
+       try {
+               
+               vector<int> startPosition;
+               vector<int> endPosition;
+               vector<int> seqLength;
+               vector<int> ambigBases;
+               vector<int> longHomoPolymer;
+               
+               vector<unsigned long int> positions = m->divideFile(fastafile, processors);
+                               
+               for (int i = 0; i < (positions.size()-1); i++) {
+                       lines.push_back(new linePair(positions[i], positions[(i+1)]));
+               }       
+               
+               int numSeqs = 0;
+               #if defined (__APPLE__) || (__MACH__) || (linux) || (__linux)
+                       if(processors == 1){
+                               numSeqs = driverCreateSummary(startPosition, endPosition, seqLength, ambigBases, longHomoPolymer, fastafile, lines[0]);
+                       }else{
+                               numSeqs = createProcessesCreateSummary(startPosition, endPosition, seqLength, ambigBases, longHomoPolymer, fastafile); 
+                       }
+                               
+                       if (m->control_pressed) {  return 0; }
+               #else
+                       numSeqs = driverCreateSummary(startPosition, endPosition, seqLength, ambigBases, longHomoPolymer, fastafile, lines[0]);
+                       if (m->control_pressed) {  return 0; }
+               #endif
+
+               sort(startPosition.begin(), startPosition.end());
+               sort(endPosition.begin(), endPosition.end());
+               sort(seqLength.begin(), seqLength.end());
+               sort(ambigBases.begin(), ambigBases.end());
+               sort(longHomoPolymer.begin(), longHomoPolymer.end());
+               
+               int criteriaPercentile  = int(numSeqs * (criteria / (float) 100));
+               
+               for (int i = 0; i < optimize.size(); i++) {
+                       if (optimize[i] == "start") { startPos = startPosition[criteriaPercentile]; m->mothurOut("Optimizing start to " + toString(startPos) + "."); m->mothurOutEndLine(); }
+                       else if (optimize[i] == "end") { int endcriteriaPercentile = int(numSeqs * ((100 - criteria) / (float) 100));  endPos = endPosition[endcriteriaPercentile]; m->mothurOut("Optimizing end to " + toString(endPos) + "."); m->mothurOutEndLine();}
+                       else if (optimize[i] == "maxambig") { maxAmbig = ambigBases[criteriaPercentile]; m->mothurOut("Optimizing maxambig to " + toString(maxAmbig) + "."); m->mothurOutEndLine(); }
+                       else if (optimize[i] == "maxhomop") { maxHomoP = longHomoPolymer[criteriaPercentile]; m->mothurOut("Optimizing maxhomop to " + toString(maxHomoP) + "."); m->mothurOutEndLine(); }
+                       else if (optimize[i] == "minlength") { int mincriteriaPercentile = int(numSeqs * ((100 - criteria) / (float) 100)); minLength = seqLength[mincriteriaPercentile]; m->mothurOut("Optimizing minlength to " + toString(minLength) + "."); m->mothurOutEndLine(); }
+                       else if (optimize[i] == "maxlength") { maxLength = seqLength[criteriaPercentile]; m->mothurOut("Optimizing maxlength to " + toString(maxLength) + "."); m->mothurOutEndLine(); }
+               }
+
+               return 0;
+       }
+       catch(exception& e) {
+               m->errorOut(e, "ScreenSeqsCommand", "getSummary");
+               exit(1);
+       }
+}
+/**************************************************************************************/
+int ScreenSeqsCommand::driverCreateSummary(vector<int>& startPosition, vector<int>& endPosition, vector<int>& seqLength, vector<int>& ambigBases, vector<int>& longHomoPolymer, string filename, linePair* filePos) {  
+       try {
+               
+               ifstream in;
+               m->openInputFile(filename, in);
+                               
+               in.seekg(filePos->start);
+
+               bool done = false;
+               int count = 0;
+       
+               while (!done) {
+                               
+                       if (m->control_pressed) { in.close(); return 1; }
+                                       
+                       Sequence current(in); m->gobble(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());
+                               count++;
+                       }
+                       
+                       #if defined (__APPLE__) || (__MACH__) || (linux) || (__linux)
+                               unsigned long int pos = in.tellg();
+                               if ((pos == -1) || (pos >= filePos->end)) { break; }
+                       #else
+                               if (in.eof()) { break; }
+                       #endif
+                       
+               }
+               
+               in.close();
+               
+               return count;
+       }
+       catch(exception& e) {
+               m->errorOut(e, "ScreenSeqsCommand", "driverCreateSummary");
+               exit(1);
+       }
+}
+/**************************************************************************************************/
+int ScreenSeqsCommand::createProcessesCreateSummary(vector<int>& startPosition, vector<int>& endPosition, vector<int>& seqLength, vector<int>& ambigBases, vector<int>& longHomoPolymer, string filename) {
+       try {
+#if defined (__APPLE__) || (__MACH__) || (linux) || (__linux)
+               int process = 1;
+               int num = 0;
+               processIDS.clear();
+               
+               //loop through and create all the processes you want
+               while (process != processors) {
+                       int pid = fork();
+                       
+                       if (pid > 0) {
+                               processIDS.push_back(pid);  //create map from line number to pid so you can append files in correct order later
+                               process++;
+                       }else if (pid == 0){
+                               num = driverCreateSummary(startPosition, endPosition, seqLength, ambigBases, longHomoPolymer, fastafile, lines[process]);
+                               
+                               //pass numSeqs to parent
+                               ofstream out;
+                               string tempFile = fastafile + toString(getpid()) + ".num.temp";
+                               m->openOutputFile(tempFile, out);
+                               
+                               out << num << endl;
+                               for (int k = 0; k < startPosition.size(); k++)          {               out << startPosition[k] << '\t'; }  out << endl;
+                               for (int k = 0; k < endPosition.size(); k++)            {               out << endPosition[k] << '\t'; }  out << endl;
+                               for (int k = 0; k < seqLength.size(); k++)                      {               out << seqLength[k] << '\t'; }  out << endl;
+                               for (int k = 0; k < ambigBases.size(); k++)                     {               out << ambigBases[k] << '\t'; }  out << endl;
+                               for (int k = 0; k < longHomoPolymer.size(); k++)        {               out << longHomoPolymer[k] << '\t'; }  out << endl;
+                               
+                               out.close();
+                               
+                               exit(0);
+                       }else { m->mothurOut("unable to spawn the necessary processes."); m->mothurOutEndLine(); exit(0); }
+               }
+               
+               num = driverCreateSummary(startPosition, endPosition, seqLength, ambigBases, longHomoPolymer, fastafile, lines[0]);
+               
+               //force parent to wait until all the processes are done
+               for (int i=0;i<processIDS.size();i++) { 
+                       int temp = processIDS[i];
+                       wait(&temp);
+               }
+               
+               //parent reads in and combine Filter info
+               for (int i = 0; i < processIDS.size(); i++) {
+                       string tempFilename = fastafile + toString(processIDS[i]) + ".num.temp";
+                       ifstream in;
+                       m->openInputFile(tempFilename, in);
+                       
+                       int temp, tempNum;
+                       in >> tempNum; m->gobble(in); num += tempNum;
+                       for (int k = 0; k < tempNum; k++)                       {               in >> temp; startPosition.push_back(temp);              }               m->gobble(in);
+                       for (int k = 0; k < tempNum; k++)                       {               in >> temp; endPosition.push_back(temp);                }               m->gobble(in);
+                       for (int k = 0; k < tempNum; k++)                       {               in >> temp; seqLength.push_back(temp);                  }               m->gobble(in);
+                       for (int k = 0; k < tempNum; k++)                       {               in >> temp; ambigBases.push_back(temp);                 }               m->gobble(in);
+                       for (int k = 0; k < tempNum; k++)                       {               in >> temp; longHomoPolymer.push_back(temp);    }               m->gobble(in);
+                               
+                       in.close();
+                       remove(tempFilename.c_str());
+               }
+               
+               return num;
+#endif         
+       }
+       catch(exception& e) {
+               m->errorOut(e, "ScreenSeqsCommand", "createProcessesCreateSummary");
+               exit(1);
+       }
+}
 
 //***************************************************************************************************************
 
 int ScreenSeqsCommand::screenGroupFile(set<string> badSeqNames){
        try {
                ifstream inputGroups;
-               openInputFile(groupfile, inputGroups);
+               m->openInputFile(groupfile, inputGroups);
                string seqName, group;
                set<string>::iterator it;
                
-               string goodGroupFile = outputDir + getRootName(getSimpleName(groupfile)) + "good" + getExtension(groupfile);
-               string badGroupFile = outputDir + getRootName(getSimpleName(groupfile)) + "bad" + getExtension(groupfile);
-               
-               outputNames.push_back(goodGroupFile);  outputNames.push_back(badGroupFile);
-               
-               ofstream goodGroupOut;  openOutputFile(goodGroupFile, goodGroupOut);
-               ofstream badGroupOut;   openOutputFile(badGroupFile, badGroupOut);              
+               string goodGroupFile = outputDir + m->getRootName(m->getSimpleName(groupfile)) + "good" + m->getExtension(groupfile);
+               outputNames.push_back(goodGroupFile);  outputTypes["group"].push_back(goodGroupFile);
+               ofstream goodGroupOut;  m->openOutputFile(goodGroupFile, goodGroupOut);
                
                while(!inputGroups.eof()){
-                       if (m->control_pressed) { goodGroupOut.close(); badGroupOut.close(); inputGroups.close(); remove(goodGroupFile.c_str()); remove(badGroupFile.c_str()); return 0; }
+                       if (m->control_pressed) { goodGroupOut.close(); inputGroups.close(); remove(goodGroupFile.c_str()); return 0; }
 
                        inputGroups >> seqName >> group;
                        it = badSeqNames.find(seqName);
                        
                        if(it != badSeqNames.end()){
                                badSeqNames.erase(it);
-                               badGroupOut << seqName << '\t' << group << endl;
                        }
                        else{
                                goodGroupOut << seqName << '\t' << group << endl;
                        }
-                       gobble(inputGroups);
+                       m->gobble(inputGroups);
                }
                
-               if (m->control_pressed) { goodGroupOut.close(); badGroupOut.close(); inputGroups.close(); remove(goodGroupFile.c_str()); remove(badGroupFile.c_str()); return 0; }
+               if (m->control_pressed) { goodGroupOut.close();  inputGroups.close(); remove(goodGroupFile.c_str());  return 0; }
 
                //we were unable to remove some of the bad sequences
                if (badSeqNames.size() != 0) {
@@ -600,10 +799,8 @@ int ScreenSeqsCommand::screenGroupFile(set<string> badSeqNames){
                
                inputGroups.close();
                goodGroupOut.close();
-               badGroupOut.close();
                
-               if (m->control_pressed) { remove(goodGroupFile.c_str()); remove(badGroupFile.c_str());  }
-
+               if (m->control_pressed) { remove(goodGroupFile.c_str());   }
                
                return 0;
        
@@ -619,27 +816,22 @@ int ScreenSeqsCommand::screenGroupFile(set<string> badSeqNames){
 int ScreenSeqsCommand::screenAlignReport(set<string> badSeqNames){
        try {
                ifstream inputAlignReport;
-               openInputFile(alignreport, inputAlignReport);
+               m->openInputFile(alignreport, inputAlignReport);
                string seqName, group;
                set<string>::iterator it;
                
-               string goodAlignReportFile = outputDir + getRootName(getSimpleName(alignreport)) + "good" + getExtension(alignreport);
-               string badAlignReportFile = outputDir + getRootName(getSimpleName(alignreport)) + "bad" + getExtension(alignreport);
-               
-               outputNames.push_back(goodAlignReportFile);  outputNames.push_back(badAlignReportFile);
-               
-               ofstream goodAlignReportOut;    openOutputFile(goodAlignReportFile, goodAlignReportOut);
-               ofstream badAlignReportOut;             openOutputFile(badAlignReportFile, badAlignReportOut);          
+               string goodAlignReportFile = outputDir + m->getRootName(m->getSimpleName(alignreport)) + "good" + m->getExtension(alignreport);
+               outputNames.push_back(goodAlignReportFile);  outputTypes["alignreport"].push_back(goodAlignReportFile);
+               ofstream goodAlignReportOut;    m->openOutputFile(goodAlignReportFile, goodAlignReportOut);
 
                while (!inputAlignReport.eof()) {               //      need to copy header
                        char c = inputAlignReport.get();
                        goodAlignReportOut << c;
-                       badAlignReportOut << c;
                        if (c == 10 || c == 13){        break;  }       
                }
 
                while(!inputAlignReport.eof()){
-                       if (m->control_pressed) { goodAlignReportOut.close(); badAlignReportOut.close(); inputAlignReport.close(); remove(goodAlignReportFile.c_str()); remove(badAlignReportFile.c_str()); return 0; }
+                       if (m->control_pressed) { goodAlignReportOut.close(); inputAlignReport.close(); remove(goodAlignReportFile.c_str()); return 0; }
 
                        inputAlignReport >> seqName;
                        it = badSeqNames.find(seqName);
@@ -652,29 +844,27 @@ int ScreenSeqsCommand::screenAlignReport(set<string> badSeqNames){
                        
                        if(it != badSeqNames.end()){
                                badSeqNames.erase(it);
-                               badAlignReportOut << seqName << '\t' << line;
                        }
                        else{
                                goodAlignReportOut << seqName << '\t' << line;
                        }
-                       gobble(inputAlignReport);
+                       m->gobble(inputAlignReport);
                }
                
-               if (m->control_pressed) { goodAlignReportOut.close(); badAlignReportOut.close(); inputAlignReport.close(); remove(goodAlignReportFile.c_str()); remove(badAlignReportFile.c_str()); return 0; }
+               if (m->control_pressed) { goodAlignReportOut.close();  inputAlignReport.close(); remove(goodAlignReportFile.c_str());  return 0; }
 
                //we were unable to remove some of the bad sequences
                if (badSeqNames.size() != 0) {
                        for (it = badSeqNames.begin(); it != badSeqNames.end(); it++) {  
-                               m->mothurOut("Your file does not include the sequence " + *it + " please correct."); 
+                               m->mothurOut("Your alignreport file does not include the sequence " + *it + " please correct."); 
                                m->mothurOutEndLine();
                        }
                }
 
                inputAlignReport.close();
                goodAlignReportOut.close();
-               badAlignReportOut.close();
                                
-               if (m->control_pressed) {  remove(goodAlignReportFile.c_str()); remove(badAlignReportFile.c_str()); return 0; }
+               if (m->control_pressed) {  remove(goodAlignReportFile.c_str());  return 0; }
                
                return 0;
        
@@ -687,27 +877,27 @@ int ScreenSeqsCommand::screenAlignReport(set<string> badSeqNames){
 }
 //**********************************************************************************************************************
 
-int ScreenSeqsCommand::driver(linePair* line, string goodFName, string badFName, string badAccnosFName, string filename, set<string>& badSeqNames){
+int ScreenSeqsCommand::driver(linePair* filePos, string goodFName, string badAccnosFName, string filename, set<string>& badSeqNames){
        try {
                ofstream goodFile;
-               openOutputFile(goodFName, goodFile);
-               
-               ofstream badFile;
-               openOutputFile(badFName, badFile);
+               m->openOutputFile(goodFName, goodFile);
                
                ofstream badAccnosFile;
-               openOutputFile(badAccnosFName, badAccnosFile);
+               m->openOutputFile(badAccnosFName, badAccnosFile);
                
                ifstream inFASTA;
-               openInputFile(filename, inFASTA);
+               m->openInputFile(filename, inFASTA);
+
+               inFASTA.seekg(filePos->start);
 
-               inFASTA.seekg(line->start);
+               bool done = false;
+               int count = 0;
        
-               for(int i=0;i<line->numSeqs;i++){
-                       
+               while (!done) {
+               
                        if (m->control_pressed) {  return 0; }
                        
-                       Sequence currSeq(inFASTA);
+                       Sequence currSeq(inFASTA); m->gobble(inFASTA);
                        if (currSeq.getName() != "") {
                                bool goodSeq = 1;               //      innocent until proven guilty
                                if(goodSeq == 1 && startPos != -1 && startPos < currSeq.getStartPos())                  {       goodSeq = 0;    }
@@ -721,21 +911,31 @@ int ScreenSeqsCommand::driver(linePair* line, string goodFName, string badFName,
                                        currSeq.printSequence(goodFile);        
                                }
                                else{
-                                       currSeq.printSequence(badFile); 
                                        badAccnosFile << currSeq.getName() << endl;
                                        badSeqNames.insert(currSeq.getName());
                                }
+                       count++;
                        }
-                       gobble(inFASTA);
+                       
+                       #if defined (__APPLE__) || (__MACH__) || (linux) || (__linux)
+                               unsigned long int pos = inFASTA.tellg();
+                               if ((pos == -1) || (pos >= filePos->end)) { break; }
+                       #else
+                               if (inFASTA.eof()) { break; }
+                       #endif
+                       
+                       //report progress
+                       if((count) % 100 == 0){ m->mothurOut("Processing sequence: " + toString(count)); m->mothurOutEndLine();         }
                }
+               //report progress
+               if((count) % 100 != 0){ m->mothurOut("Processing sequence: " + toString(count)); m->mothurOutEndLine();         }
                
                        
                goodFile.close();
                inFASTA.close();
-               badFile.close();
                badAccnosFile.close();
                
-               return 1;
+               return count;
        }
        catch(exception& e) {
                m->errorOut(e, "ScreenSeqsCommand", "driver");
@@ -744,11 +944,10 @@ int ScreenSeqsCommand::driver(linePair* line, string goodFName, string badFName,
 }
 //**********************************************************************************************************************
 #ifdef USE_MPI
-int ScreenSeqsCommand::driverMPI(int start, int num, MPI_File& inMPI, MPI_File& goodFile, MPI_File& badFile, MPI_File& badAccnosFile, vector<long>& MPIPos, set<string>& badSeqNames){
+int ScreenSeqsCommand::driverMPI(int start, int num, MPI_File& inMPI, MPI_File& goodFile, MPI_File& badAccnosFile, vector<unsigned long int>& MPIPos, set<string>& badSeqNames){
        try {
                string outputString = "";
                MPI_Status statusGood; 
-               MPI_Status statusBad; 
                MPI_Status statusBadAccnos; 
                MPI_Status status; 
                int pid;
@@ -794,15 +993,6 @@ int ScreenSeqsCommand::driverMPI(int start, int num, MPI_File& inMPI, MPI_File&
                                        delete buf2;
                                }
                                else{
-                                       outputString =  ">" + currSeq.getName() + "\n" + currSeq.getAligned() + "\n";
-                               
-                                       //print bad seq to fasta
-                                       length = outputString.length();
-                                       char* buf2 = new char[length];
-                                       memcpy(buf2, outputString.c_str(), length);
-                                       
-                                       MPI_File_write_shared(badFile, buf2, length, MPI_CHAR, &statusBad);
-                                       delete buf2;
 
                                        badSeqNames.insert(currSeq.getName());
                                        
@@ -829,11 +1019,11 @@ int ScreenSeqsCommand::driverMPI(int start, int num, MPI_File& inMPI, MPI_File&
 #endif
 /**************************************************************************************************/
 
-int ScreenSeqsCommand::createProcesses(string goodFileName, string badFileName, string badAccnos, string filename, set<string>& badSeqNames) {
+int ScreenSeqsCommand::createProcesses(string goodFileName, string badAccnos, string filename, set<string>& badSeqNames) {
        try {
 #if defined (__APPLE__) || (__MACH__) || (linux) || (__linux)
                int process = 0;
-               int exitCommand = 1;
+               int num = 0;
                
                //loop through and create all the processes you want
                while (process != processors) {
@@ -843,7 +1033,15 @@ int ScreenSeqsCommand::createProcesses(string goodFileName, string badFileName,
                                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){
-                               exitCommand = driver(lines[process], goodFileName + toString(getpid()) + ".temp", badFileName + toString(getpid()) + ".temp", badAccnos + toString(getpid()) + ".temp", filename, badSeqNames);
+                               num = driver(lines[process], goodFileName + toString(getpid()) + ".temp", badAccnos + toString(getpid()) + ".temp", filename, badSeqNames);
+                               
+                               //pass numSeqs to parent
+                               ofstream out;
+                               string tempFile = filename + toString(getpid()) + ".num.temp";
+                               m->openOutputFile(tempFile, out);
+                               out << num << endl;
+                               out.close();
+                               
                                exit(0);
                        }else { m->mothurOut("unable to spawn the necessary processes."); m->mothurOutEndLine(); exit(0); }
                }
@@ -854,7 +1052,15 @@ int ScreenSeqsCommand::createProcesses(string goodFileName, string badFileName,
                        wait(&temp);
                }
                
-               return exitCommand;
+               for (int i = 0; i < processIDS.size(); i++) {
+                       ifstream in;
+                       string tempFile =  filename + 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());
+               }
+               
+               return num;
 #endif         
        }
        catch(exception& e) {