]> git.donarmstrong.com Git - mothur.git/blobdiff - chimeraslayercommand.cpp
working on current change
[mothur.git] / chimeraslayercommand.cpp
index 1a9c1fb5ca3d56896e605803bd98d472428f9f01..636e17536a024f04476fc04ce431bb6524e29839 100644 (file)
@@ -23,15 +23,15 @@ vector<string> ChimeraSlayerCommand::setParameters(){
                CommandParameter pmismatch("mismatch", "Number", "", "-4.0", "", "", "",false,false); parameters.push_back(pmismatch);
                CommandParameter pminsim("minsim", "Number", "", "90", "", "", "",false,false); parameters.push_back(pminsim);
                CommandParameter pmincov("mincov", "Number", "", "70", "", "", "",false,false); parameters.push_back(pmincov);
-               CommandParameter pminsnp("minsnp", "Number", "", "100", "", "", "",false,false); parameters.push_back(pminsnp);
+               CommandParameter pminsnp("minsnp", "Number", "", "10", "", "", "",false,false); parameters.push_back(pminsnp);
                CommandParameter pminbs("minbs", "Number", "", "90", "", "", "",false,false); parameters.push_back(pminbs);
-               CommandParameter psearch("search", "Multiple", "kmer-blast-distance", "distance", "", "", "",false,false); parameters.push_back(psearch);
+               CommandParameter psearch("search", "Multiple", "kmer-blast", "blast", "", "", "",false,false); parameters.push_back(psearch);
                CommandParameter pprocessors("processors", "Number", "", "1", "", "", "",false,false); parameters.push_back(pprocessors);
-               CommandParameter prealign("realign", "Boolean", "", "F", "", "", "",false,false); parameters.push_back(prealign);
+               CommandParameter prealign("realign", "Boolean", "", "T", "", "", "",false,false); parameters.push_back(prealign);
                CommandParameter ptrim("trim", "Boolean", "", "F", "", "", "",false,false); parameters.push_back(ptrim);
                CommandParameter psplit("split", "Boolean", "", "F", "", "", "",false,false); parameters.push_back(psplit);
                CommandParameter pnumwanted("numwanted", "Number", "", "15", "", "", "",false,false); parameters.push_back(pnumwanted);
-               CommandParameter piters("iters", "Number", "", "100", "", "", "",false,false); parameters.push_back(piters);
+               CommandParameter piters("iters", "Number", "", "1000", "", "", "",false,false); parameters.push_back(piters);
                CommandParameter pdivergence("divergence", "Number", "", "1.007", "", "", "",false,false); parameters.push_back(pdivergence);
                CommandParameter pparents("parents", "Number", "", "3", "", "", "",false,false); parameters.push_back(pparents);
                CommandParameter pincrement("increment", "Number", "", "5", "", "", "",false,false); parameters.push_back(pincrement);
@@ -53,7 +53,7 @@ string ChimeraSlayerCommand::getHelpString(){
                string helpString = "";
                helpString += "The chimera.slayer command reads a fastafile and referencefile and outputs potentially chimeric sequences.\n";
                helpString += "This command was modeled after the chimeraSlayer written by the Broad Institute.\n";
-               helpString += "The chimera.slayer command parameters are fasta, name, template, processors, trim, ksize, window, match, mismatch, divergence. minsim, mincov, minbs, minsnp, parents, search, iters, increment and numwanted.\n"; //realign,
+               helpString += "The chimera.slayer command parameters are fasta, name, template, processors, trim, ksize, window, match, mismatch, divergence. minsim, mincov, minbs, minsnp, parents, search, iters, increment, numwanted, and realign.\n";
                helpString += "The fasta parameter allows you to enter the fasta file containing your potentially chimeric sequences, and is required, unless you have a valid current fasta file. \n";
                helpString += "The name parameter allows you to provide a name file, if you are using template=self. \n";
                helpString += "You may enter multiple fasta files by separating their names with dashes. ie. fasta=abrecovery.fasta-amazon.fasta \n";
@@ -72,13 +72,13 @@ string ChimeraSlayerCommand::getHelpString(){
                helpString += "The parents parameter allows you to select the number of potential parents to investigate from the numwanted best matches after rating them, default is 3. \n";
                helpString += "The mismatch parameter allows you to penalize mismatched bases in blast search, default is -4. \n";
                helpString += "The divergence parameter allows you to set a cutoff for chimera determination, default is 1.007. \n";
-               helpString += "The iters parameter allows you to specify the number of bootstrap iters to do with the chimeraslayer method, default=100.\n";
+               helpString += "The iters parameter allows you to specify the number of bootstrap iters to do with the chimeraslayer method, default=1000.\n";
                helpString += "The minsim parameter allows you to specify a minimum similarity with the parent fragments, default=90. \n";
                helpString += "The mincov parameter allows you to specify minimum coverage by closest matches found in template. Default is 70, meaning 70%. \n";
                helpString += "The minbs parameter allows you to specify minimum bootstrap support for calling a sequence chimeric. Default is 90, meaning 90%. \n";
-               helpString += "The minsnp parameter allows you to specify percent of SNPs to sample on each side of breakpoint for computing bootstrap support (default: 100) \n";
-               helpString += "The search parameter allows you to specify search method for finding the closest parent. Choices are distance, blast, and kmer, default distance. \n";
-               helpString += "The realign parameter allows you to realign the query to the potential parents. Choices are true or false, default false.  \n";
+               helpString += "The minsnp parameter allows you to specify percent of SNPs to sample on each side of breakpoint for computing bootstrap support (default: 10) \n";
+               helpString += "The search parameter allows you to specify search method for finding the closest parent. Choices are blast, and kmer, default blast. \n";
+               helpString += "The realign parameter allows you to realign the query to the potential parents. Choices are true or false, default true.  \n";
                helpString += "The chimera.slayer command should be in the following format: \n";
                helpString += "chimera.slayer(fasta=yourFastaFile, reference=yourTemplate, search=yourSearch) \n";
                helpString += "Example: chimera.slayer(fasta=AD.align, reference=core_set_aligned.imputed.fasta, search=kmer) \n";
@@ -112,6 +112,7 @@ ChimeraSlayerCommand::ChimeraSlayerCommand(string option)  {
                
                //allow user to run help
                if(option == "help") { help(); abort = true; calledHelp = true; }
+               else if(option == "citation") { citation(); abort = true; calledHelp = true;}
                
                else {
                        vector<string> myArray = setParameters();
@@ -148,47 +149,65 @@ ChimeraSlayerCommand::ChimeraSlayerCommand(string option)  {
                                
                                //go through files and make sure they are good, if not, then disregard them
                                for (int i = 0; i < fastaFileNames.size(); i++) {
-                                       if (inputDir != "") {
-                                               string path = m->hasPath(fastaFileNames[i]);
-                                               //if the user has not given a path then, add inputdir. else leave path alone.
-                                               if (path == "") {       fastaFileNames[i] = inputDir + fastaFileNames[i];               }
-                                       }
-       
-                                       int ableToOpen;
-                                       ifstream in;
                                        
-                                       ableToOpen = m->openInputFile(fastaFileNames[i], in, "noerror");
-                               
-                                       //if you can't open it, try default location
-                                       if (ableToOpen == 1) {
-                                               if (m->getDefaultPath() != "") { //default path is set
-                                                       string tryPath = m->getDefaultPath() + m->getSimpleName(fastaFileNames[i]);
-                                                       m->mothurOut("Unable to open " + fastaFileNames[i] + ". Trying default " + tryPath); m->mothurOutEndLine();
-                                                       ifstream in2;
-                                                       ableToOpen = m->openInputFile(tryPath, in2, "noerror");
-                                                       in2.close();
-                                                       fastaFileNames[i] = tryPath;
+                                       bool ignore = false;
+                                       if (fastaFileNames[i] == "current") { 
+                                               fastaFileNames[i] = m->getFastaFile(); 
+                                               if (fastaFileNames[i] != "") {  m->mothurOut("Using " + fastaFileNames[i] + " as input file for the fasta parameter where you had given current."); m->mothurOutEndLine(); }
+                                               else {  
+                                                       m->mothurOut("You have no current fastafile, ignoring current."); m->mothurOutEndLine(); ignore=true; 
+                                                       //erase from file list
+                                                       fastaFileNames.erase(fastaFileNames.begin()+i);
+                                                       i--;
                                                }
                                        }
                                        
-                                       if (ableToOpen == 1) {
-                                               if (m->getOutputDir() != "") { //default path is set
-                                                       string tryPath = m->getOutputDir() + m->getSimpleName(fastaFileNames[i]);
-                                                       m->mothurOut("Unable to open " + fastaFileNames[i] + ". Trying output directory " + tryPath); m->mothurOutEndLine();
-                                                       ifstream in2;
-                                                       ableToOpen = m->openInputFile(tryPath, in2, "noerror");
-                                                       in2.close();
-                                                       fastaFileNames[i] = tryPath;
+                                       if (!ignore) {
+                                               
+                                               if (inputDir != "") {
+                                                       string path = m->hasPath(fastaFileNames[i]);
+                                                       //if the user has not given a path then, add inputdir. else leave path alone.
+                                                       if (path == "") {       fastaFileNames[i] = inputDir + fastaFileNames[i];               }
                                                }
-                                       }
-                                       
-                                       in.close();
+               
+                                               int ableToOpen;
+                                               ifstream in;
+                                               
+                                               ableToOpen = m->openInputFile(fastaFileNames[i], in, "noerror");
                                        
-                                       if (ableToOpen == 1) { 
-                                               m->mothurOut("Unable to open " + fastaFileNames[i] + ". It will be disregarded."); m->mothurOutEndLine(); 
-                                               //erase from file list
-                                               fastaFileNames.erase(fastaFileNames.begin()+i);
-                                               i--;
+                                               //if you can't open it, try default location
+                                               if (ableToOpen == 1) {
+                                                       if (m->getDefaultPath() != "") { //default path is set
+                                                               string tryPath = m->getDefaultPath() + m->getSimpleName(fastaFileNames[i]);
+                                                               m->mothurOut("Unable to open " + fastaFileNames[i] + ". Trying default " + tryPath); m->mothurOutEndLine();
+                                                               ifstream in2;
+                                                               ableToOpen = m->openInputFile(tryPath, in2, "noerror");
+                                                               in2.close();
+                                                               fastaFileNames[i] = tryPath;
+                                                       }
+                                               }
+                                               
+                                               if (ableToOpen == 1) {
+                                                       if (m->getOutputDir() != "") { //default path is set
+                                                               string tryPath = m->getOutputDir() + m->getSimpleName(fastaFileNames[i]);
+                                                               m->mothurOut("Unable to open " + fastaFileNames[i] + ". Trying output directory " + tryPath); m->mothurOutEndLine();
+                                                               ifstream in2;
+                                                               ableToOpen = m->openInputFile(tryPath, in2, "noerror");
+                                                               in2.close();
+                                                               fastaFileNames[i] = tryPath;
+                                                       }
+                                               }
+                                               
+                                               in.close();
+                                               
+                                               if (ableToOpen == 1) { 
+                                                       m->mothurOut("Unable to open " + fastaFileNames[i] + ". It will be disregarded."); m->mothurOutEndLine(); 
+                                                       //erase from file list
+                                                       fastaFileNames.erase(fastaFileNames.begin()+i);
+                                                       i--;
+                                               }else {
+                                                       m->setFastaFile(fastaFileNames[i]);
+                                               }
                                        }
                                }
                                
@@ -206,47 +225,65 @@ ChimeraSlayerCommand::ChimeraSlayerCommand(string option)  {
                                
                                //go through files and make sure they are good, if not, then disregard them
                                for (int i = 0; i < nameFileNames.size(); i++) {
-                                       if (inputDir != "") {
-                                               string path = m->hasPath(nameFileNames[i]);
-                                               //if the user has not given a path then, add inputdir. else leave path alone.
-                                               if (path == "") {       nameFileNames[i] = inputDir + nameFileNames[i];         }
-                                       }
-                                       
-                                       int ableToOpen;
-                                       ifstream in;
                                        
-                                       ableToOpen = m->openInputFile(nameFileNames[i], in, "noerror");
-                                       
-                                       //if you can't open it, try default location
-                                       if (ableToOpen == 1) {
-                                               if (m->getDefaultPath() != "") { //default path is set
-                                                       string tryPath = m->getDefaultPath() + m->getSimpleName(nameFileNames[i]);
-                                                       m->mothurOut("Unable to open " + nameFileNames[i] + ". Trying default " + tryPath); m->mothurOutEndLine();
-                                                       ifstream in2;
-                                                       ableToOpen = m->openInputFile(tryPath, in2, "noerror");
-                                                       in2.close();
-                                                       nameFileNames[i] = tryPath;
+                                       bool ignore = false;
+                                       if (nameFileNames[i] == "current") { 
+                                               nameFileNames[i] = m->getNameFile(); 
+                                               if (nameFileNames[i] != "") {  m->mothurOut("Using " + nameFileNames[i] + " as input file for the name parameter where you had given current."); m->mothurOutEndLine(); }
+                                               else {  
+                                                       m->mothurOut("You have no current namefile, ignoring current."); m->mothurOutEndLine(); ignore=true; 
+                                                       //erase from file list
+                                                       nameFileNames.erase(nameFileNames.begin()+i);
+                                                       i--;
                                                }
                                        }
                                        
-                                       if (ableToOpen == 1) {
-                                               if (m->getOutputDir() != "") { //default path is set
-                                                       string tryPath = m->getOutputDir() + m->getSimpleName(nameFileNames[i]);
-                                                       m->mothurOut("Unable to open " + nameFileNames[i] + ". Trying output directory " + tryPath); m->mothurOutEndLine();
-                                                       ifstream in2;
-                                                       ableToOpen = m->openInputFile(tryPath, in2, "noerror");
-                                                       in2.close();
-                                                       nameFileNames[i] = tryPath;
+                                       if (!ignore) {
+                                               
+                                               if (inputDir != "") {
+                                                       string path = m->hasPath(nameFileNames[i]);
+                                                       //if the user has not given a path then, add inputdir. else leave path alone.
+                                                       if (path == "") {       nameFileNames[i] = inputDir + nameFileNames[i];         }
+                                               }
+                                               
+                                               int ableToOpen;
+                                               ifstream in;
+                                               
+                                               ableToOpen = m->openInputFile(nameFileNames[i], in, "noerror");
+                                               
+                                               //if you can't open it, try default location
+                                               if (ableToOpen == 1) {
+                                                       if (m->getDefaultPath() != "") { //default path is set
+                                                               string tryPath = m->getDefaultPath() + m->getSimpleName(nameFileNames[i]);
+                                                               m->mothurOut("Unable to open " + nameFileNames[i] + ". Trying default " + tryPath); m->mothurOutEndLine();
+                                                               ifstream in2;
+                                                               ableToOpen = m->openInputFile(tryPath, in2, "noerror");
+                                                               in2.close();
+                                                               nameFileNames[i] = tryPath;
+                                                       }
+                                               }
+                                               
+                                               if (ableToOpen == 1) {
+                                                       if (m->getOutputDir() != "") { //default path is set
+                                                               string tryPath = m->getOutputDir() + m->getSimpleName(nameFileNames[i]);
+                                                               m->mothurOut("Unable to open " + nameFileNames[i] + ". Trying output directory " + tryPath); m->mothurOutEndLine();
+                                                               ifstream in2;
+                                                               ableToOpen = m->openInputFile(tryPath, in2, "noerror");
+                                                               in2.close();
+                                                               nameFileNames[i] = tryPath;
+                                                       }
+                                               }
+                                               
+                                               in.close();
+                                               
+                                               if (ableToOpen == 1) { 
+                                                       m->mothurOut("Unable to open " + nameFileNames[i] + ". It will be disregarded."); m->mothurOutEndLine(); 
+                                                       //erase from file list
+                                                       nameFileNames.erase(nameFileNames.begin()+i);
+                                                       i--;
+                                               }else {
+                                                       m->setNameFile(nameFileNames[i]);
                                                }
-                                       }
-                                       
-                                       in.close();
-                                       
-                                       if (ableToOpen == 1) { 
-                                               m->mothurOut("Unable to open " + nameFileNames[i] + ". It will be disregarded."); m->mothurOutEndLine(); 
-                                               //erase from file list
-                                               nameFileNames.erase(nameFileNames.begin()+i);
-                                               i--;
                                        }
                                }
                                
@@ -272,9 +309,10 @@ ChimeraSlayerCommand::ChimeraSlayerCommand(string option)  {
                                        
                                        templatefile = validParameter.validFile(parameters, "reference", true);
                                        if (templatefile == "not open") { abort = true; }
-                                       else if (templatefile == "not found") { templatefile = "";  m->mothurOut("reference is a required parameter for the chimera.slayer command."); m->mothurOutEndLine(); abort = true;  }  
+                                       else if (templatefile == "not found") { templatefile = "";  m->mothurOut("reference is a required parameter for the chimera.slayer command, unless and namefile is given."); m->mothurOutEndLine(); abort = true;  }    
                                }
-                       }
+                       }else if (hasName) {  templatefile = "self"; }
+                       else { templatefile = "";  m->mothurOut("reference is a required parameter for the chimera.slayer command."); m->mothurOutEndLine(); abort = true;  }   
                        
                        string temp = validParameter.validFile(parameters, "processors", false);        if (temp == "not found"){       temp = m->getProcessors();      }
                        m->setProcessors(temp);
@@ -304,13 +342,13 @@ ChimeraSlayerCommand::ChimeraSlayerCommand(string option)  {
                        temp = validParameter.validFile(parameters, "minbs", false);                    if (temp == "not found") { temp = "90"; }
                        convert(temp, minBS);
                        
-                       temp = validParameter.validFile(parameters, "minsnp", false);                   if (temp == "not found") { temp = "100"; }
+                       temp = validParameter.validFile(parameters, "minsnp", false);                   if (temp == "not found") { temp = "10"; }
                        convert(temp, minSNP);
 
                        temp = validParameter.validFile(parameters, "parents", false);                  if (temp == "not found") { temp = "3"; }
                        convert(temp, parents); 
                        
-                       temp = validParameter.validFile(parameters, "realign", false);                  if (temp == "not found") { temp = "f"; }
+                       temp = validParameter.validFile(parameters, "realign", false);                  if (temp == "not found") { temp = "t"; }
                        realign = m->isTrue(temp); 
                        
                        temp = validParameter.validFile(parameters, "trim", false);                             if (temp == "not found") { temp = "f"; }
@@ -319,9 +357,9 @@ ChimeraSlayerCommand::ChimeraSlayerCommand(string option)  {
                        temp = validParameter.validFile(parameters, "split", false);                    if (temp == "not found") { temp = "f"; }
                        trimera = m->isTrue(temp); 
                        
-                       search = validParameter.validFile(parameters, "search", false);                 if (search == "not found") { search = "distance"; }
+                       search = validParameter.validFile(parameters, "search", false);                 if (search == "not found") { search = "blast"; }
                        
-                       temp = validParameter.validFile(parameters, "iters", false);                    if (temp == "not found") { temp = "100"; }              
+                       temp = validParameter.validFile(parameters, "iters", false);                    if (temp == "not found") { temp = "1000"; }             
                        convert(temp, iters); 
                         
                        temp = validParameter.validFile(parameters, "increment", false);                if (temp == "not found") { temp = "5"; }
@@ -330,7 +368,7 @@ ChimeraSlayerCommand::ChimeraSlayerCommand(string option)  {
                        temp = validParameter.validFile(parameters, "numwanted", false);                if (temp == "not found") { temp = "15"; }               
                        convert(temp, numwanted);
 
-                       if ((search != "distance") && (search != "blast") && (search != "kmer")) { m->mothurOut(search + " is not a valid search."); m->mothurOutEndLine(); abort = true;  }
+                       if ((search != "blast") && (search != "kmer")) { m->mothurOut(search + " is not a valid search."); m->mothurOutEndLine(); abort = true;  }
                }
        }
        catch(exception& e) {
@@ -342,7 +380,6 @@ ChimeraSlayerCommand::ChimeraSlayerCommand(string option)  {
 
 int ChimeraSlayerCommand::execute(){
        try{
-               
                if (abort == true) { if (calledHelp) { return 0; }  return 2;   }
                
                for (int s = 0; s < fastaFileNames.size(); s++) {
@@ -381,12 +418,12 @@ int ChimeraSlayerCommand::execute(){
                                
                                //sort fastafile by abundance, returns new sorted fastafile name
                                m->mothurOut("Sorting fastafile according to abundance..."); cout.flush(); 
-                               fastaFileNames[s] = sortFastaFile(fastaFileNames[s], nameFile);
+                               map<string, int> priority = sortFastaFile(fastaFileNames[s], nameFile);
                                m->mothurOut("Done."); m->mothurOutEndLine();
                                
                                if (m->control_pressed) {  for (int j = 0; j < outputNames.size(); j++) {       remove(outputNames[j].c_str()); }  return 0;    }
 
-                               chimera = new ChimeraSlayer(fastaFileNames[s], templatefile, trim, nameFile, search, ksize, match, mismatch, window, divR, minSimilarity, minCoverage, minBS, minSNP, parents, iters, increment, numwanted, realign);   
+                               chimera = new ChimeraSlayer(fastaFileNames[s], templatefile, trim, priority, search, ksize, match, mismatch, window, divR, minSimilarity, minCoverage, minBS, minSNP, parents, iters, increment, numwanted, realign);   
                        }
                                
                        if (outputDir == "") { outputDir = m->hasPath(fastaFileNames[s]);  }//if user entered a file with a path then preserve it                               
@@ -456,36 +493,58 @@ int ChimeraSlayerCommand::execute(){
 
                                        MPIPos = m->setFilePosFasta(fastaFileNames[s], numSeqs); //fills MPIPos, returns numSeqs
                                        
-                                       //send file positions to all processes
-                                       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);
+                                       if (templatefile != "self") { //if template=self we can only use 1 processor
+                                               //send file positions to all processes
+                                               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 align
                                        numSeqsPerProcessor = numSeqs / processors;
                                        int startIndex =  pid * numSeqsPerProcessor;
                                        if(pid == (processors - 1)){    numSeqsPerProcessor = numSeqs - pid * numSeqsPerProcessor;      }
-                               
+                                       
+                                       if (templatefile == "self") { //if template=self we can only use 1 processor
+                                               startIndex = 0;
+                                               numSeqsPerProcessor = numSeqs;
+                                       }
+                                       
                                        //do your part
                                        driverMPI(startIndex, numSeqsPerProcessor, inMPI, outMPI, outMPIAccnos, outMPIFasta, MPIPos);
                                        
+                                       int numNoParents = chimera->getNumNoParents();
+                                       int temp;
+                                       for(int i = 1; i < processors; i++) { 
+                                               MPI_Recv(&temp, 1, MPI_INT, 1, tag, MPI_COMM_WORLD, &status);
+                                               numNoParents += temp;
+                                       }
+                                       
+                                       
+                                       if (numSeqs == numNoParents) {  m->mothurOut("[WARNING]: megablast returned 0 potential parents for all your sequences. This could be due to formatdb.exe not being setup properly, please check formatdb.log for errors."); m->mothurOutEndLine(); }
+                                       
                                        if (m->control_pressed) { outputTypes.clear();  MPI_File_close(&inMPI);  MPI_File_close(&outMPI); if (trim) { MPI_File_close(&outMPIFasta); }  MPI_File_close(&outMPIAccnos);  for (int j = 0; j < outputNames.size(); j++) {   remove(outputNames[j].c_str()); }  remove(outputFileName.c_str());  remove(accnosFileName.c_str());  delete chimera; return 0;  }
 
                                }else{ //you are a 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);
+                                       if (templatefile != "self") { //if template=self we can only use 1 processor
+                                               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;      }
+                                               //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
-                                       driverMPI(startIndex, numSeqsPerProcessor, inMPI, outMPI, outMPIAccnos, outMPIFasta, MPIPos);
+                                               //do your part
+                                               driverMPI(startIndex, numSeqsPerProcessor, inMPI, outMPI, outMPIAccnos, outMPIFasta, MPIPos);
+                                               
+                                               int numNoParents = chimera->getNumNoParents();
+                                               MPI_Send(&numNoParents, 1, MPI_INT, 0, tag, MPI_COMM_WORLD);
                                        
-                                       if (m->control_pressed) { outputTypes.clear();  MPI_File_close(&inMPI);  MPI_File_close(&outMPI); if (trim) { MPI_File_close(&outMPIFasta); }  MPI_File_close(&outMPIAccnos);  for (int j = 0; j < outputNames.size(); j++) {   remove(outputNames[j].c_str()); }  delete chimera; return 0;  }
+                                               if (m->control_pressed) { outputTypes.clear();  MPI_File_close(&inMPI);  MPI_File_close(&outMPI); if (trim) { MPI_File_close(&outMPIFasta); }  MPI_File_close(&outMPIAccnos);  for (int j = 0; j < outputNames.size(); j++) {   remove(outputNames[j].c_str()); }  delete chimera; return 0;  }
+                               
+                                       }
                                }
                                
                                //close files 
@@ -514,6 +573,9 @@ int ChimeraSlayerCommand::execute(){
                                if(processors == 1){
                                        numSeqs = driver(lines[0], outputFileName, fastaFileNames[s], accnosFileName, trimFastaFileName);
                                        
+                                       int numNoParents = chimera->getNumNoParents();
+                                       if (numNoParents == numSeqs) { m->mothurOut("[WARNING]: megablast returned 0 potential parents for all your sequences. This could be due to formatdb.exe not being setup properly, please check formatdb.log for errors."); m->mothurOutEndLine(); }
+                                       
                                        if (m->control_pressed) { outputTypes.clear(); if (trim) { remove(trimFastaFileName.c_str()); } remove(outputFileName.c_str()); remove(tempHeader.c_str()); remove(accnosFileName.c_str()); for (int j = 0; j < outputNames.size(); j++) {      remove(outputNames[j].c_str()); } for (int i = 0; i < lines.size(); i++) {  delete lines[i];  }  lines.clear(); delete chimera; return 0; }
                                        
                                }else{
@@ -550,6 +612,10 @@ int ChimeraSlayerCommand::execute(){
                        #else
                                numSeqs = driver(lines[0], outputFileName, fastaFileNames[s], accnosFileName, trimFastaFileName);
                                
+                               int numNoParents = chimera->getNumNoParents();
+                               if (numNoParents == numSeqs) { m->mothurOut("[WARNING]: megablast returned 0 potential parents for all your sequences. This could be due to formatdb.exe not being setup properly, please check formatdb.log for errors."); m->mothurOutEndLine(); }
+
+                               
                                if (m->control_pressed) { outputTypes.clear(); if (trim) { remove(trimFastaFileName.c_str()); } remove(outputFileName.c_str()); remove(tempHeader.c_str()); remove(accnosFileName.c_str()); for (int j = 0; j < outputNames.size(); j++) {      remove(outputNames[j].c_str()); } for (int i = 0; i < lines.size(); i++) {  delete lines[i];  }  lines.clear(); delete chimera; return 0; }
                                
                        #endif
@@ -626,9 +692,8 @@ int ChimeraSlayerCommand::driver(linePair* filePos, string outputFName, string f
                
                        Sequence* candidateSeq = new Sequence(inFASTA);  m->gobble(inFASTA);
                        string candidateAligned = candidateSeq->getAligned();
-                               
+                       
                        if (candidateSeq->getName() != "") { //incase there is a commented sequence at the end of a file
-                               
                                if (candidateSeq->getAligned().length() != templateSeqsLength) {  
                                        m->mothurOut(candidateSeq->getName() + " is not the same length as the template sequences. Skipping."); m->mothurOutEndLine();
                                }else{
@@ -674,22 +739,21 @@ int ChimeraSlayerCommand::driver(linePair* filePos, string outputFName, string f
                                                data_results rightResults = chimera->getResults();
                                                
                                                //if either piece is chimeric then report
-                                               Sequence* trimmed = chimera->print(out, out2, leftResults, rightResults);
-                                               if (trim) { trimmed->printSequence(out3); delete trimmed; }
+                                               Sequence trimmed = chimera->print(out, out2, leftResults, rightResults);
+                                               if (trim) { trimmed.printSequence(out3);  }
                                                
                                                delete left; delete right;
                                                
                                        }else { //already chimeric
                                                //print results
-                                               Sequence* trimmed = chimera->print(out, out2);
-                                               if (trim) { trimmed->printSequence(out3); delete trimmed; }
+                                               Sequence trimmed = chimera->print(out, out2);
+                                               if (trim) { trimmed.printSequence(out3);  }
                                        }
                                        
                                        
                                }
                                count++;
                        }
-                       delete candidateSeq;
                        
                        #if defined (__APPLE__) || (__MACH__) || (linux) || (__linux)
                                unsigned long int pos = inFASTA.tellg();
@@ -698,6 +762,7 @@ int ChimeraSlayerCommand::driver(linePair* filePos, string outputFName, string f
                                if (inFASTA.eof()) { break; }
                        #endif
                        
+                       delete candidateSeq;
                        //report progress
                        if((count) % 100 == 0){ m->mothurOut("Processing sequence: " + toString(count)); m->mothurOutEndLine();         }
                }
@@ -790,10 +855,9 @@ int ChimeraSlayerCommand::driverMPI(int start, int num, MPI_File& inMPI, MPI_Fil
                                                data_results rightResults = chimera->getResults();
                                                
                                                //if either piece is chimeric then report
-                                               Sequence* trimmed = chimera->print(outMPI, outAccMPI, leftResults, rightResults);
+                                               Sequence trimmed = chimera->print(outMPI, outAccMPI, leftResults, rightResults);
                                                if (trim) {  
-                                                       string outputString = ">" + trimmed->getName() + "\n" + trimmed->getAligned() + "\n";
-                                                       delete trimmed;
+                                                       string outputString = ">" + trimmed.getName() + "\n" + trimmed.getAligned() + "\n";
                                                        
                                                        //write to accnos file
                                                        int length = outputString.length();
@@ -808,11 +872,10 @@ int ChimeraSlayerCommand::driverMPI(int start, int num, MPI_File& inMPI, MPI_Fil
                                                
                                        }else { 
                                                //print results
-                                               Sequence* trimmed = chimera->print(outMPI, outAccMPI);
+                                               Sequence trimmed = chimera->print(outMPI, outAccMPI);
                                                
                                                if (trim) {  
-                                                       string outputString = ">" + trimmed->getName() + "\n" + trimmed->getAligned() + "\n";
-                                                       delete trimmed;
+                                                       string outputString = ">" + trimmed.getName() + "\n" + trimmed.getAligned() + "\n";
                                                        
                                                        //write to accnos file
                                                        int length = outputString.length();
@@ -866,9 +929,8 @@ int ChimeraSlayerCommand::createProcesses(string outputFileName, string filename
                                ofstream out;
                                string tempFile = outputFileName + toString(getpid()) + ".num.temp";
                                m->openOutputFile(tempFile, out);
-                               out << num << endl;
+                               out << num << '\t' << chimera->getNumNoParents() << endl;
                                out.close();
-                               
                                exit(0);
                        }else { 
                                m->mothurOut("[ERROR]: unable to spawn the necessary processes."); m->mothurOutEndLine(); 
@@ -883,14 +945,17 @@ int ChimeraSlayerCommand::createProcesses(string outputFileName, string filename
                        wait(&temp);
                }
                
+               int numNoParents = 0;
                for (int i = 0; i < processIDS.size(); i++) {
                        ifstream in;
                        string tempFile =  outputFileName + toString(processIDS[i]) + ".num.temp";
                        m->openInputFile(tempFile, in);
-                       if (!in.eof()) { int tempNum = 0; in >> tempNum; num += tempNum; }
+                       if (!in.eof()) { int tempNum = 0; int tempNumParents = 0; in >> tempNum >> tempNumParents; num += tempNum; numNoParents += tempNumParents; }
                        in.close(); remove(tempFile.c_str());
                }
                
+               if (num == numNoParents) {  m->mothurOut("[WARNING]: megablast returned 0 potential parents for all your sequences. This could be due to formatdb.exe not being setup properly, please check formatdb.log for errors."); m->mothurOutEndLine(); }
+               
                return num;
 #endif         
        }
@@ -939,9 +1004,9 @@ int ChimeraSlayerCommand::divideInHalf(Sequence querySeq, string& leftQuery, str
        }
 }
 /**************************************************************************************************/
-
-string ChimeraSlayerCommand::sortFastaFile(string fastaFile, string nameFile) {
+map<string, int> ChimeraSlayerCommand::sortFastaFile(string fastaFile, string nameFile) {
        try {
+               map<string, int> nameAbund;
                
                //read through fastafile and store info
                map<string, string> seqs;
@@ -950,7 +1015,7 @@ string ChimeraSlayerCommand::sortFastaFile(string fastaFile, string nameFile) {
                
                while (!in.eof()) {
                        
-                       if (m->control_pressed) { in.close(); return ""; }
+                       if (m->control_pressed) { in.close(); return nameAbund; }
                        
                        Sequence seq(in); m->gobble(in);
                        seqs[seq.getName()] = seq.getAligned();
@@ -962,10 +1027,10 @@ string ChimeraSlayerCommand::sortFastaFile(string fastaFile, string nameFile) {
                vector<seqPriorityNode> nameMapCount;
                int error = m->readNames(nameFile, nameMapCount, seqs);
                
-               if (m->control_pressed) { return ""; }
+               if (m->control_pressed) { return nameAbund; }
                
-               if (error == 1) { m->control_pressed = true; return ""; }
-               if (seqs.size() != nameMapCount.size()) { m->mothurOut( "The number of sequences in your fastafile does not match the number of sequences in your namefile, aborting."); m->mothurOutEndLine(); m->control_pressed = true; return ""; }
+               if (error == 1) { m->control_pressed = true; return nameAbund; }
+               if (seqs.size() != nameMapCount.size()) { m->mothurOut( "The number of sequences in your fastafile does not match the number of sequences in your namefile, aborting."); m->mothurOutEndLine(); m->control_pressed = true; return nameAbund; }
 
                sort(nameMapCount.begin(), nameMapCount.end(), compareSeqPriorityNodes);
                
@@ -976,12 +1041,13 @@ string ChimeraSlayerCommand::sortFastaFile(string fastaFile, string nameFile) {
                //print new file in order of
                for (int i = 0; i < nameMapCount.size(); i++) {
                        out << ">" << nameMapCount[i].name << endl << nameMapCount[i].seq << endl;
+                       nameAbund[nameMapCount[i].name] = nameMapCount[i].numIdentical;
                }
                out.close();
                
                rename(newFasta.c_str(), fastaFile.c_str());
                                
-               return fastaFile;
+               return nameAbund;
                
        }
        catch(exception& e) {