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1 /*
2  *  trimseqscommand.cpp
3  *  Mothur
4  *
5  *  Created by Pat Schloss on 6/6/09.
6  *  Copyright 2009 Patrick D. Schloss. All rights reserved.
7  *
8  */
9
10 #include "trimseqscommand.h"
11 #include "needlemanoverlap.hpp"
12
13 //***************************************************************************************************************
14
15 TrimSeqsCommand::TrimSeqsCommand(string option)  {
16         try {
17                 
18                 abort = false;
19                 comboStarts = 0;
20                 
21                 //allow user to run help
22                 if(option == "help") { help(); abort = true; }
23                 
24                 else {
25                         //valid paramters for this command
26                         string AlignArray[] =  {"fasta", "flip", "oligos", "maxambig", "maxhomop", "minlength", "maxlength", "qfile", 
27                                                                         "qthreshold", "qaverage", "allfiles", "qtrim","tdiffs", "pdiffs", "bdiffs", "processors", "outputdir","inputdir"};
28                         
29                         vector<string> myArray (AlignArray, AlignArray+(sizeof(AlignArray)/sizeof(string)));
30                         
31                         OptionParser parser(option);
32                         map<string,string> parameters = parser.getParameters();
33                         
34                         ValidParameters validParameter;
35                         map<string,string>::iterator it;
36                         
37                         //check to make sure all parameters are valid for command
38                         for (it = parameters.begin(); it != parameters.end(); it++) { 
39                                 if (validParameter.isValidParameter(it->first, myArray, it->second) != true) {  abort = true;  }
40                         }
41                         
42                         //if the user changes the input directory command factory will send this info to us in the output parameter 
43                         string inputDir = validParameter.validFile(parameters, "inputdir", false);              
44                         if (inputDir == "not found"){   inputDir = "";          }
45                         else {
46                                 string path;
47                                 it = parameters.find("fasta");
48                                 //user has given a template file
49                                 if(it != parameters.end()){ 
50                                         path = hasPath(it->second);
51                                         //if the user has not given a path then, add inputdir. else leave path alone.
52                                         if (path == "") {       parameters["fasta"] = inputDir + it->second;            }
53                                 }
54                                 
55                                 it = parameters.find("oligos");
56                                 //user has given a template file
57                                 if(it != parameters.end()){ 
58                                         path = hasPath(it->second);
59                                         //if the user has not given a path then, add inputdir. else leave path alone.
60                                         if (path == "") {       parameters["oligos"] = inputDir + it->second;           }
61                                 }
62                                 
63                                 it = parameters.find("qfile");
64                                 //user has given a template file
65                                 if(it != parameters.end()){ 
66                                         path = hasPath(it->second);
67                                         //if the user has not given a path then, add inputdir. else leave path alone.
68                                         if (path == "") {       parameters["qfile"] = inputDir + it->second;            }
69                                 }
70                         }
71
72                         
73                         //check for required parameters
74                         fastaFile = validParameter.validFile(parameters, "fasta", true);
75                         if (fastaFile == "not found") { m->mothurOut("fasta is a required parameter for the screen.seqs command."); m->mothurOutEndLine(); abort = true; }
76                         else if (fastaFile == "not open") { abort = true; }     
77                         
78                         //if the user changes the output directory command factory will send this info to us in the output parameter 
79                         outputDir = validParameter.validFile(parameters, "outputdir", false);           if (outputDir == "not found"){  
80                                 outputDir = ""; 
81                                 outputDir += hasPath(fastaFile); //if user entered a file with a path then preserve it  
82                         }
83                 
84                         //check for optional parameter and set defaults
85                         // ...at some point should added some additional type checking...
86                         string temp;
87                         temp = validParameter.validFile(parameters, "flip", false);
88                         if (temp == "not found"){       flip = 0;       }
89                         else if(isTrue(temp))   {       flip = 1;       }
90                 
91                         temp = validParameter.validFile(parameters, "oligos", true);
92                         if (temp == "not found"){       oligoFile = "";         }
93                         else if(temp == "not open"){    abort = true;   } 
94                         else                                    {       oligoFile = temp;               }
95                         
96                         temp = validParameter.validFile(parameters, "maxambig", false);         if (temp == "not found") { temp = "-1"; }
97                         convert(temp, maxAmbig);  
98
99                         temp = validParameter.validFile(parameters, "maxhomop", false);         if (temp == "not found") { temp = "0"; }
100                         convert(temp, maxHomoP);  
101
102                         temp = validParameter.validFile(parameters, "minlength", false);        if (temp == "not found") { temp = "0"; }
103                         convert(temp, minLength); 
104                         
105                         temp = validParameter.validFile(parameters, "maxlength", false);        if (temp == "not found") { temp = "0"; }
106                         convert(temp, maxLength);
107                         
108                         
109                         temp = validParameter.validFile(parameters, "bdiffs", false);           if (temp == "not found") { temp = "0"; }
110                         convert(temp, bdiffs);
111                         
112                         temp = validParameter.validFile(parameters, "pdiffs", false);           if (temp == "not found") { temp = "0"; }
113                         convert(temp, pdiffs);
114                         
115                         temp = validParameter.validFile(parameters, "tdiffs", false);           if (temp == "not found") { int tempTotal = pdiffs + bdiffs;  temp = toString(tempTotal); }
116                         convert(temp, tdiffs);
117                         
118                         if(tdiffs == 0){        tdiffs = bdiffs + pdiffs;       }
119                         
120                         temp = validParameter.validFile(parameters, "qfile", true);     
121                         if (temp == "not found")        {       qFileName = "";         }
122                         else if(temp == "not open")     {       abort = true;           }
123                         else                                            {       qFileName = temp;       }
124                         
125                         temp = validParameter.validFile(parameters, "qthreshold", false);       if (temp == "not found") { temp = "0"; }
126                         convert(temp, qThreshold);
127                         
128                         temp = validParameter.validFile(parameters, "qtrim", false);    if (temp == "not found") { temp = "F"; }
129                         qtrim = isTrue(temp);
130
131                         temp = validParameter.validFile(parameters, "qaverage", false);         if (temp == "not found") { temp = "0"; }
132                         convert(temp, qAverage);
133                         
134                         temp = validParameter.validFile(parameters, "allfiles", false);         if (temp == "not found") { temp = "F"; }
135                         allFiles = isTrue(temp);
136                         
137                         temp = validParameter.validFile(parameters, "processors", false);       if (temp == "not found"){       temp = "1";                             }
138                         convert(temp, processors); 
139                         
140                         if(allFiles && oligoFile == ""){
141                                 m->mothurOut("You selected allfiles, but didn't enter an oligos file.  Ignoring the allfiles request."); m->mothurOutEndLine();
142                         }
143                         if((qAverage != 0 && qThreshold != 0) && qFileName == ""){
144                                 m->mothurOut("You didn't provide a quality file name, quality criteria will be ignored."); m->mothurOutEndLine();
145                                 qAverage=0;
146                                 qThreshold=0;
147                         }
148                         if(!flip && oligoFile=="" && !maxLength && !minLength && (maxAmbig==-1) && !maxHomoP && qFileName == ""){               
149                                 m->mothurOut("You didn't set any options... quiting command."); m->mothurOutEndLine();
150                                 abort = true;
151                         }
152                 }
153
154         }
155         catch(exception& e) {
156                 m->errorOut(e, "TrimSeqsCommand", "TrimSeqsCommand");
157                 exit(1);
158         }
159 }
160 //**********************************************************************************************************************
161
162 void TrimSeqsCommand::help(){
163         try {
164                 m->mothurOut("The trim.seqs command reads a fastaFile and creates .....\n");
165                 m->mothurOut("The trim.seqs command parameters are fasta, flip, oligos, maxambig, maxhomop, minlength, maxlength, qfile, qthreshold, qaverage, diffs, qtrim and allfiles.\n");
166                 m->mothurOut("The fasta parameter is required.\n");
167                 m->mothurOut("The flip parameter will output the reverse compliment of your trimmed sequence. The default is false.\n");
168                 m->mothurOut("The oligos parameter .... The default is "".\n");
169                 m->mothurOut("The maxambig parameter .... The default is -1.\n");
170                 m->mothurOut("The maxhomop parameter .... The default is 0.\n");
171                 m->mothurOut("The minlength parameter .... The default is 0.\n");
172                 m->mothurOut("The maxlength parameter .... The default is 0.\n");
173                 m->mothurOut("The tdiffs parameter is used to specify the total number of differences allowed in the sequence. The default is pdiffs + bdiffs.\n");
174                 m->mothurOut("The bdiffs parameter is used to specify the number of differences allowed in the barcode. The default is 0.\n");
175                 m->mothurOut("The pdiffs parameter is used to specify the number of differences allowed in the primer. The default is 0.\n");
176                 m->mothurOut("The qfile parameter .....\n");
177                 m->mothurOut("The qthreshold parameter .... The default is 0.\n");
178                 m->mothurOut("The qaverage parameter .... The default is 0.\n");
179                 m->mothurOut("The allfiles parameter .... The default is F.\n");
180                 m->mothurOut("The qtrim parameter .... The default is F.\n");
181                 m->mothurOut("The trim.seqs command should be in the following format: \n");
182                 m->mothurOut("trim.seqs(fasta=yourFastaFile, flip=yourFlip, oligos=yourOligos, maxambig=yourMaxambig,  \n");
183                 m->mothurOut("maxhomop=yourMaxhomop, minlength=youMinlength, maxlength=yourMaxlength)  \n");    
184                 m->mothurOut("Example trim.seqs(fasta=abrecovery.fasta, flip=..., oligos=..., maxambig=..., maxhomop=..., minlength=..., maxlength=...).\n");
185                 m->mothurOut("Note: No spaces between parameter labels (i.e. fasta), '=' and parameters (i.e.yourFasta).\n");
186                 m->mothurOut("For more details please check out the wiki http://www.mothur.org/wiki/Trim.seqs .\n\n");
187
188         }
189         catch(exception& e) {
190                 m->errorOut(e, "TrimSeqsCommand", "help");
191                 exit(1);
192         }
193 }
194
195
196 //***************************************************************************************************************
197
198 TrimSeqsCommand::~TrimSeqsCommand(){    /*      do nothing      */      }
199
200 //***************************************************************************************************************
201
202 int TrimSeqsCommand::execute(){
203         try{
204         
205                 if (abort == true) { return 0; }
206                 
207                 numFPrimers = 0;  //this needs to be initialized
208                 numRPrimers = 0;
209                 
210                 string trimSeqFile = outputDir + getRootName(getSimpleName(fastaFile)) + "trim.fasta";
211                 outputNames.push_back(trimSeqFile);
212                 string scrapSeqFile = outputDir + getRootName(getSimpleName(fastaFile)) + "scrap.fasta";
213                 outputNames.push_back(scrapSeqFile);
214                 string groupFile = outputDir + getRootName(getSimpleName(fastaFile)) + "groups";
215                 
216                 vector<string> fastaFileNames;
217                 if(oligoFile != ""){
218                         outputNames.push_back(groupFile);
219                         getOligos(fastaFileNames);
220                 }
221                 
222                 if(qFileName != "")     {       setLines(qFileName, qLines);    }
223
224                 
225                 #if defined (__APPLE__) || (__MACH__) || (linux) || (__linux)
226                                 if(processors == 1){
227                                         ifstream inFASTA;
228                                         int numSeqs;
229                                         openInputFile(fastaFile, inFASTA);
230                                         getNumSeqs(inFASTA, numSeqs);
231                                         inFASTA.close();
232                                         
233                                         lines.push_back(new linePair(0, numSeqs));
234                                         
235                                         driverCreateTrim(fastaFile, qFileName, trimSeqFile, scrapSeqFile, groupFile, fastaFileNames, lines[0], lines[0]);
236                                         
237                                         for (int j = 0; j < fastaFileNames.size(); j++) {
238                                                 rename((fastaFileNames[j] + toString(getpid()) + ".temp").c_str(), fastaFileNames[j].c_str());
239                                         }
240
241                                 }else{
242                                         setLines(fastaFile, lines);     
243                                         if(qFileName == "")     {       qLines = lines; }       
244                                                                 
245                                         createProcessesCreateTrim(fastaFile, qFileName, trimSeqFile, scrapSeqFile, groupFile, fastaFileNames); 
246                                         
247                                         rename((trimSeqFile + toString(processIDS[0]) + ".temp").c_str(), trimSeqFile.c_str());
248                                         rename((scrapSeqFile + toString(processIDS[0]) + ".temp").c_str(), scrapSeqFile.c_str());
249                                         rename((groupFile + toString(processIDS[0]) + ".temp").c_str(), groupFile.c_str());
250                                         for (int j = 0; j < fastaFileNames.size(); j++) {
251                                                 rename((fastaFileNames[j] + toString(processIDS[0]) + ".temp").c_str(), fastaFileNames[j].c_str());
252                                         }
253                                         //append files
254                                         for(int i=1;i<processors;i++){
255                                                 appendFiles((trimSeqFile + toString(processIDS[i]) + ".temp"), trimSeqFile);
256                                                 remove((trimSeqFile + toString(processIDS[i]) + ".temp").c_str());
257                                                 appendFiles((scrapSeqFile + toString(processIDS[i]) + ".temp"), scrapSeqFile);
258                                                 remove((scrapSeqFile + toString(processIDS[i]) + ".temp").c_str());
259                                                 appendFiles((groupFile + toString(processIDS[i]) + ".temp"), groupFile);
260                                                 remove((groupFile + toString(processIDS[i]) + ".temp").c_str());
261                                                 for (int j = 0; j < fastaFileNames.size(); j++) {
262                                                         appendFiles((fastaFileNames[j] + toString(processIDS[i]) + ".temp"), fastaFileNames[j]);
263                                                         remove((fastaFileNames[j] + toString(processIDS[i]) + ".temp").c_str());
264                                                 }
265                                         }
266                                 }
267                                 
268                                 if (m->control_pressed) {  return 0; }
269                 #else
270                                 ifstream inFASTA;
271                                 int numSeqs;
272                                 openInputFile(fastaFile, inFASTA);
273                                 getNumSeqs(inFASTA, numSeqs);
274                                 inFASTA.close();
275                                 
276                                 lines.push_back(new linePair(0, numSeqs));
277                                 
278                                 driverCreateTrim(fastaFile, qFileName, trimSeqFile, scrapSeqFile, groupFile, fastaFileNames, lines[0], lines[0]);
279                                 
280                                 if (m->control_pressed) {  return 0; }
281                 #endif
282                                                 
283                                                                                 
284                 for(int i=0;i<fastaFileNames.size();i++){
285                         if (isBlank(fastaFileNames[i])) { remove(fastaFileNames[i].c_str()); }
286                         else {
287                                 ifstream inFASTA;
288                                 string seqName;
289                                 //openInputFile(getRootName(fastaFile) +  groupVector[i] + ".fasta", inFASTA);
290                                 openInputFile(fastaFileNames[i], inFASTA);
291                                 ofstream outGroups;
292                                 string outGroupFilename = outputDir + getRootName(getSimpleName(fastaFileNames[i])) + "groups";
293                                 openOutputFile(outGroupFilename, outGroups);
294                                 //openOutputFile(outputDir + getRootName(getSimpleName(fastaFile)) + groupVector[i] + ".groups", outGroups);
295                                 outputNames.push_back(outGroupFilename);
296                                 
297                                 string thisGroup = "";
298                                 if (i > comboStarts) {
299                                         map<string, int>::iterator itCombo;
300                                         for(itCombo=combos.begin();itCombo!=combos.end(); itCombo++){
301                                                 if(itCombo->second == i){       thisGroup = itCombo->first;     combos.erase(itCombo);  break;  }
302                                         }
303                                 }else{ thisGroup = groupVector[i]; }
304                                 
305                                 while(!inFASTA.eof()){
306                                         if(inFASTA.get() == '>'){
307                                                 inFASTA >> seqName;
308                                                 outGroups << seqName << '\t' << thisGroup << endl;
309                                         }
310                                         while (!inFASTA.eof())  {       char c = inFASTA.get(); if (c == 10 || c == 13){        break;  }       }
311                                 }
312                                 outGroups.close();
313                                 inFASTA.close();
314                         }
315                 }
316                 
317                 if (m->control_pressed) { 
318                         for (int i = 0; i < outputNames.size(); i++) {  remove(outputNames[i].c_str()); }
319                         return 0;
320                 }
321
322                 m->mothurOutEndLine();
323                 m->mothurOut("Output File Names: "); m->mothurOutEndLine();
324                 for (int i = 0; i < outputNames.size(); i++) {  m->mothurOut(outputNames[i]); m->mothurOutEndLine();    }
325                 m->mothurOutEndLine();
326                 
327                 return 0;       
328                         
329         }
330         catch(exception& e) {
331                 m->errorOut(e, "TrimSeqsCommand", "execute");
332                 exit(1);
333         }
334 }
335                 
336 /**************************************************************************************/
337 int TrimSeqsCommand::driverCreateTrim(string filename, string qFileName, string trimFile, string scrapFile, string groupFile, vector<string> fastaNames, linePair* line, linePair* qline) {     
338         try {
339                 
340                 ofstream outFASTA;
341                 int able = openOutputFile(trimFile, outFASTA);
342                 
343                 ofstream scrapFASTA;
344                 openOutputFile(scrapFile, scrapFASTA);
345                 
346                 ofstream outGroups;
347                 vector<ofstream*> fastaFileNames;
348                 if (oligoFile != "") {          
349                         openOutputFile(groupFile, outGroups);   
350                         for (int i = 0; i < fastaNames.size(); i++) {
351                         #if defined (__APPLE__) || (__MACH__) || (linux) || (__linux)
352                                 fastaFileNames.push_back(new ofstream((fastaNames[i] + toString(getpid()) + ".temp").c_str(), ios::ate)); 
353                         #else
354                                 fastaFileNames.push_back(new ofstream((fastaNames[i] + toString(i) + ".temp").c_str(), ios::ate));                      
355                         #endif
356                         }
357                 }
358                 
359                 ifstream inFASTA;
360                 openInputFile(filename, inFASTA);
361                 
362                 ifstream qFile;
363                 if(qFileName != "")     {       openInputFile(qFileName, qFile);        }
364                 
365                 qFile.seekg(qline->start);
366                 inFASTA.seekg(line->start);
367                 
368                 for(int i=0;i<line->num;i++){
369                                 
370                         if (m->control_pressed) { 
371                                 inFASTA.close(); outFASTA.close(); scrapFASTA.close(); if (oligoFile != "") {    outGroups.close();   } if(qFileName != "")     {       qFile.close();  }
372                                 for(int i=0;i<fastaFileNames.size();i++){  fastaFileNames[i]->close(); delete fastaFileNames[i];  }     
373                                 for (int i = 0; i < outputNames.size(); i++) {  remove(outputNames[i].c_str()); }
374                                 return 0;
375                         }
376                         
377                         int success = 1;
378                         
379                         Sequence currSeq(inFASTA);
380         cout << i << '\t' << currSeq.getName() << endl;
381
382                         string origSeq = currSeq.getUnaligned();
383                         if (origSeq != "") {
384                                 int groupBar, groupPrime;
385                                 string trashCode = "";
386                                 int currentSeqsDiffs = 0;
387                                 
388                                 if(qFileName != ""){
389                                         if(qThreshold != 0)             {       success = stripQualThreshold(currSeq, qFile);   }
390                                         else if(qAverage != 0)  {       success = cullQualAverage(currSeq, qFile);              }
391                                         
392                                         if (qtrim == 1 && (origSeq.length() != currSeq.getUnaligned().length())) { 
393                                                 success = 0; //if you don't want to trim and the sequence does not meet quality requirements, move to scrap
394                                         }
395
396                                         if(!success)                    {       trashCode += 'q';                                                               }
397                                 }
398                         
399                                 if(barcodes.size() != 0){
400                                         success = stripBarcode(currSeq, groupBar);
401                                         if(success > bdiffs){   trashCode += 'b';       }
402                                         else{ currentSeqsDiffs += success;  }
403                                 }
404
405                                 if(numFPrimers != 0){
406                                         success = stripForward(currSeq, groupPrime);
407                                         if(success > pdiffs){   trashCode += 'f';       }
408                                         else{ currentSeqsDiffs += success;  }
409                                 }
410                                 
411                                 if (currentSeqsDiffs > tdiffs) { trashCode += 't';   }
412
413                                 if(numRPrimers != 0){
414                                         success = stripReverse(currSeq);
415                                         if(!success){   trashCode += 'r';       }
416                                 }
417                 
418                                 if(minLength > 0 || maxLength > 0){
419                                         success = cullLength(currSeq);
420                                         if(!success){   trashCode += 'l'; }
421                                 }
422                                 if(maxHomoP > 0){
423                                         success = cullHomoP(currSeq);
424                                         if(!success){   trashCode += 'h';       }
425                                 }
426                                 if(maxAmbig != -1){
427                                         success = cullAmbigs(currSeq);
428                                         if(!success){   trashCode += 'n';       }
429                                 }
430                                 
431                                 if(flip){       currSeq.reverseComplement();    }               // should go last                       
432                                 
433                                 if(trashCode.length() == 0){
434                                         currSeq.setAligned(currSeq.getUnaligned());
435                                         currSeq.printSequence(outFASTA);
436                                         if(barcodes.size() != 0){
437                                                 string thisGroup = groupVector[groupBar];
438                                                 int indexToFastaFile = groupBar;
439                                                 if (primers.size() != 0){
440                                                         //does this primer have a group
441                                                         if (groupVector[groupPrime] != "") {  
442                                                                 thisGroup += "." + groupVector[groupPrime]; 
443                                                                 indexToFastaFile = combos[thisGroup];
444                                                         }
445                                                 }
446                                                 outGroups << currSeq.getName() << '\t' << thisGroup << endl;
447                                                 
448                                                 if(allFiles){
449                                                         currSeq.printSequence(*fastaFileNames[indexToFastaFile]);                                       
450                                                 }
451                                         }
452                                 }
453                                 else{
454                                         currSeq.setName(currSeq.getName() + '|' + trashCode);
455                                         currSeq.setUnaligned(origSeq);
456                                         currSeq.setAligned(origSeq);
457                                         currSeq.printSequence(scrapFASTA);
458                                 }
459                         }
460                         gobble(inFASTA);
461                 }
462                 
463                 inFASTA.close();
464                 outFASTA.close();
465                 scrapFASTA.close();
466                 if (oligoFile != "") {   outGroups.close();   }
467                 if(qFileName != "")     {       qFile.close();  }
468                 
469                 for(int i=0;i<fastaFileNames.size();i++){
470                         fastaFileNames[i]->close();
471                         delete fastaFileNames[i];
472                 }               
473                 
474                 return 0;
475         }
476         catch(exception& e) {
477                 m->errorOut(e, "TrimSeqsCommand", "driverCreateTrim");
478                 exit(1);
479         }
480 }
481 /**************************************************************************************************/
482 int TrimSeqsCommand::createProcessesCreateTrim(string filename, string qFileName, string trimFile, string scrapFile, string groupFile, vector<string> fastaNames) {
483         try {
484 #if defined (__APPLE__) || (__MACH__) || (linux) || (__linux)
485                 int process = 0;
486                 int exitCommand = 1;
487                 processIDS.clear();
488                 
489                 //loop through and create all the processes you want
490                 while (process != processors) {
491                         int pid = fork();
492                         
493                         if (pid > 0) {
494                                 processIDS.push_back(pid);  //create map from line number to pid so you can append files in correct order later
495                                 process++;
496                         }else if (pid == 0){
497                                 driverCreateTrim(filename, qFileName, (trimFile + toString(getpid()) + ".temp"), (scrapFile + toString(getpid()) + ".temp"), (groupFile + toString(getpid()) + ".temp"), fastaNames, lines[process], qLines[process]);
498                                 exit(0);
499                         }else { m->mothurOut("unable to spawn the necessary processes."); m->mothurOutEndLine(); exit(0); }
500                 }
501                 
502                 //force parent to wait until all the processes are done
503                 for (int i=0;i<processors;i++) { 
504                         int temp = processIDS[i];
505                         wait(&temp);
506                 }
507                 
508                 return exitCommand;
509 #endif          
510         }
511         catch(exception& e) {
512                 m->errorOut(e, "TrimSeqsCommand", "createProcessesCreateTrim");
513                 exit(1);
514         }
515 }
516 /**************************************************************************************************/
517
518 int TrimSeqsCommand::setLines(string filename, vector<linePair*>& lines) {
519         try {
520                 
521                 lines.clear();
522                 
523                 vector<long int> positions;
524                 
525                 ifstream inFASTA;
526                 openInputFile(filename, inFASTA);
527                         
528                 string input;
529                 while(!inFASTA.eof()){  
530                         input = getline(inFASTA);
531
532                         if (input.length() != 0) {
533                                 if(input[0] == '>'){ long int pos = inFASTA.tellg(); positions.push_back(pos - input.length() - 1);     }
534                         }
535                 }
536                 inFASTA.close();
537                 
538                 int numFastaSeqs = positions.size();
539         
540                 FILE * pFile;
541                 long size;
542                 
543                 //get num bytes in file
544                 pFile = fopen (filename.c_str(),"rb");
545                 if (pFile==NULL) perror ("Error opening file");
546                 else{
547                         fseek (pFile, 0, SEEK_END);
548                         size=ftell (pFile);
549                         fclose (pFile);
550                 }
551                 
552                 int numSeqsPerProcessor = numFastaSeqs / processors;
553                 
554                 for (int i = 0; i < processors; i++) {
555
556                         long int startPos = positions[ i * numSeqsPerProcessor ];
557                         if(i == processors - 1){
558                                 numSeqsPerProcessor = numFastaSeqs - i * numSeqsPerProcessor;
559                         }else{  
560                                 long int myEnd = positions[ (i+1) * numSeqsPerProcessor ];
561                         }
562                         lines.push_back(new linePair(startPos, numSeqsPerProcessor));
563                 }
564                 
565                 return numFastaSeqs;
566         }
567         catch(exception& e) {
568                 m->errorOut(e, "TrimSeqsCommand", "setLines");
569                 exit(1);
570         }
571 }
572 //***************************************************************************************************************
573
574 void TrimSeqsCommand::getOligos(vector<string>& outFASTAVec){ //vector<ofstream*>& outFASTAVec
575         try {
576                 ifstream inOligos;
577                 openInputFile(oligoFile, inOligos);
578                 
579                 ofstream test;
580                 
581                 string type, oligo, group;
582                 int index=0;
583                 //int indexPrimer = 0;
584                 
585                 while(!inOligos.eof()){
586                         inOligos >> type;
587                                         
588                         if(type[0] == '#'){
589                                 while (!inOligos.eof()) {       char c = inOligos.get(); if (c == 10 || c == 13){       break;  }       } // get rest of line if there's any crap there
590                         }
591                         else{
592                                 //make type case insensitive
593                                 for(int i=0;i<type.length();i++){       type[i] = toupper(type[i]);  }
594                                 
595                                 inOligos >> oligo;
596                                 
597                                 for(int i=0;i<oligo.length();i++){
598                                         oligo[i] = toupper(oligo[i]);
599                                         if(oligo[i] == 'U')     {       oligo[i] = 'T'; }
600                                 }
601                                 
602                                 if(type == "FORWARD"){
603                                         group = "";
604                                         
605                                         // get rest of line in case there is a primer name
606                                         while (!inOligos.eof()) {       
607                                                 char c = inOligos.get(); 
608                                                 if (c == 10 || c == 13){        break;  }
609                                                 else if (c == 32 || c == 9){;} //space or tab
610                                                 else {  group += c;  }
611                                         } 
612                                         
613                                         //check for repeat barcodes
614                                         map<string, int>::iterator itPrime = primers.find(oligo);
615                                         if (itPrime != primers.end()) { m->mothurOut("primer " + oligo + " is in your oligos file already."); m->mothurOutEndLine();  }
616                                         
617                                         primers[oligo]=index; index++;
618                                         groupVector.push_back(group);
619                                         
620                                         if(allFiles){
621                                                 if (group != "") { //there is a group for this primer
622                                                         outputNames.push_back((outputDir + getRootName(getSimpleName(fastaFile)) + toString(index) + "." + group + ".fasta"));
623                                                         outFASTAVec.push_back((outputDir + getRootName(getSimpleName(fastaFile)) + toString(index) + "." + group + ".fasta"));
624                                                 }
625                                         }
626
627                                 }
628                                 else if(type == "REVERSE"){
629                                         Sequence oligoRC("reverse", oligo);
630                                         oligoRC.reverseComplement();
631                                         revPrimer.push_back(oligoRC.getUnaligned());
632                                 }
633                                 else if(type == "BARCODE"){
634                                         inOligos >> group;
635                                         
636                                         //check for repeat barcodes
637                                         map<string, int>::iterator itBar = barcodes.find(oligo);
638                                         if (itBar != barcodes.end()) { m->mothurOut("barcode " + oligo + " is in your oligos file already."); m->mothurOutEndLine();  }
639                                         
640                                         barcodes[oligo]=index; index++;
641                                         groupVector.push_back(group);
642                                         
643                                         if(allFiles){
644                                                 outputNames.push_back((outputDir + getRootName(getSimpleName(fastaFile)) + toString(index) + "." + group + ".fasta"));
645                                                 outFASTAVec.push_back((outputDir + getRootName(getSimpleName(fastaFile)) + toString(index) + "." + group + ".fasta"));
646                                         }
647                                 }else{  m->mothurOut(type + " is not recognized as a valid type. Choices are forward, reverse, and barcode. Ignoring " + oligo + "."); m->mothurOutEndLine();  }
648                         }
649                         gobble(inOligos);
650                 }
651                 
652                 inOligos.close();
653                 
654                 //add in potential combos
655                 if(allFiles){
656                         comboStarts = outFASTAVec.size()-1;
657                         for (map<string, int>::iterator itBar = barcodes.begin(); itBar != barcodes.end(); itBar++) {
658                                 for (map<string, int>::iterator itPrime = primers.begin(); itPrime != primers.end(); itPrime++) {
659                                         if (groupVector[itPrime->second] != "") { //there is a group for this primer
660                                                 outputNames.push_back((outputDir + getRootName(getSimpleName(fastaFile)) + toString(itBar->second) + "." + groupVector[itBar->second] + "." + toString(itPrime->second) + "." + groupVector[itPrime->second] + ".fasta"));
661                                                 outFASTAVec.push_back((outputDir + getRootName(getSimpleName(fastaFile)) + toString(itBar->second) + "." + groupVector[itBar->second] + "." + toString(itPrime->second) + "." + groupVector[itPrime->second] + ".fasta"));
662                                                 combos[(groupVector[itBar->second] + "." + groupVector[itPrime->second])] = outFASTAVec.size()-1;
663                                         }
664                                 }
665                         }
666                 }
667                 
668                 numFPrimers = primers.size();
669                 numRPrimers = revPrimer.size();
670                 
671         }
672         catch(exception& e) {
673                 m->errorOut(e, "TrimSeqsCommand", "getOligos");
674                 exit(1);
675         }
676 }
677 //***************************************************************************************************************
678
679 int TrimSeqsCommand::stripBarcode(Sequence& seq, int& group){
680         try {
681                 
682                 string rawSequence = seq.getUnaligned();
683                 int success = bdiffs + 1;       //guilty until proven innocent
684                 
685                 //can you find the barcode
686                 for(map<string,int>::iterator it=barcodes.begin();it!=barcodes.end();it++){
687                         string oligo = it->first;
688                         if(rawSequence.length() < oligo.length()){      //let's just assume that the barcodes are the same length
689                                 success = bdiffs + 10;                                  //if the sequence is shorter than the barcode then bail out
690                                 break;  
691                         }
692                         
693                         if(compareDNASeq(oligo, rawSequence.substr(0,oligo.length()))){
694                                 group = it->second;
695                                 seq.setUnaligned(rawSequence.substr(oligo.length()));
696                                 success = 0;
697                                 break;
698                         }
699                 }
700                 
701                 //if you found the barcode or if you don't want to allow for diffs
702 //              cout << success;
703                 if ((bdiffs == 0) || (success == 0)) { return success;  }
704                 
705                 else { //try aligning and see if you can find it
706 //                      cout << endl;
707
708                         int maxLength = 0;
709
710                         Alignment* alignment;
711                         if (barcodes.size() > 0) {
712                                 map<string,int>::iterator it=barcodes.begin();
713
714                                 for(it;it!=barcodes.end();it++){
715                                         if(it->first.length() > maxLength){
716                                                 maxLength = it->first.length();
717                                         }
718                                 }
719                                 alignment = new NeedlemanOverlap(-1.0, 1.0, -1.0, (maxLength+bdiffs+1));  
720
721                         }else{ alignment = NULL; } 
722                         
723                         //can you find the barcode
724                         int minDiff = 1e6;
725                         int minCount = 1;
726                         int minGroup = -1;
727                         int minPos = 0;
728                         
729                         for(map<string,int>::iterator it=barcodes.begin();it!=barcodes.end();it++){
730                                 string oligo = it->first;
731 //                              int length = oligo.length();
732                                 
733                                 if(rawSequence.length() < maxLength){   //let's just assume that the barcodes are the same length
734                                         success = bdiffs + 10;
735                                         break;
736                                 }
737                                 
738                                 //use needleman to align first barcode.length()+numdiffs of sequence to each barcode
739                                 alignment->align(oligo, rawSequence.substr(0,oligo.length()+bdiffs));
740                                 oligo = alignment->getSeqAAln();
741                                 string temp = alignment->getSeqBAln();
742                 
743                                 int alnLength = oligo.length();
744                                 
745                                 for(int i=oligo.length()-1;i>=0;i--){
746                                         if(oligo[i] != '-'){    alnLength = i+1;        break;  }
747                                 }
748                                 oligo = oligo.substr(0,alnLength);
749                                 temp = temp.substr(0,alnLength);
750                                 
751                                 int newStart=0;
752                                 int numDiff = countDiffs(oligo, temp);
753                                 
754 //                              cout << oligo << '\t' << temp << '\t' << numDiff << endl;                               
755                                 
756                                 if(numDiff < minDiff){
757                                         minDiff = numDiff;
758                                         minCount = 1;
759                                         minGroup = it->second;
760                                         minPos = 0;
761                                         for(int i=0;i<alnLength;i++){
762                                                 if(temp[i] != '-'){
763                                                         minPos++;
764                                                 }
765                                         }
766                                 }
767                                 else if(numDiff == minDiff){
768                                         minCount++;
769                                 }
770
771                         }
772
773                         if(minDiff > bdiffs)    {       success = minDiff;              }       //no good matches
774                         else if(minCount > 1)   {       success = bdiffs + 100; }       //can't tell the difference between multiple barcodes
775                         else{                                                                                                   //use the best match
776                                 group = minGroup;
777                                 seq.setUnaligned(rawSequence.substr(minPos));
778                                 success = minDiff;
779                         }
780                         
781                         if (alignment != NULL) {  delete alignment;  }
782                         
783                 }
784 //              cout << success << endl;
785                 
786                 return success;
787                 
788         }
789         catch(exception& e) {
790                 m->errorOut(e, "TrimSeqsCommand", "stripBarcode");
791                 exit(1);
792         }
793
794 }
795
796 //***************************************************************************************************************
797
798 int TrimSeqsCommand::stripForward(Sequence& seq, int& group){
799         try {
800                 string rawSequence = seq.getUnaligned();
801                 int success = pdiffs + 1;       //guilty until proven innocent
802                 
803                 //can you find the primer
804                 for(map<string,int>::iterator it=primers.begin();it!=primers.end();it++){
805                         string oligo = it->first;
806                         if(rawSequence.length() < oligo.length()){      //let's just assume that the primers are the same length
807                                 success = pdiffs + 10;                                  //if the sequence is shorter than the barcode then bail out
808                                 break;  
809                         }
810                         
811                         if(compareDNASeq(oligo, rawSequence.substr(0,oligo.length()))){
812                                 group = it->second;
813                                 seq.setUnaligned(rawSequence.substr(oligo.length()));
814                                 success = 0;
815                                 break;
816                         }
817                 }
818
819                 //if you found the barcode or if you don't want to allow for diffs
820 //              cout << success;
821                 if ((pdiffs == 0) || (success == 0)) { return success;  }
822                 
823                 else { //try aligning and see if you can find it
824 //                      cout << endl;
825
826                         int maxLength = 0;
827
828                         Alignment* alignment;
829                         if (primers.size() > 0) {
830                                 map<string,int>::iterator it=primers.begin();
831
832                                 for(it;it!=primers.end();it++){
833                                         if(it->first.length() > maxLength){
834                                                 maxLength = it->first.length();
835                                         }
836                                 }
837                                 alignment = new NeedlemanOverlap(-1.0, 1.0, -1.0, (maxLength+pdiffs+1));  
838
839                         }else{ alignment = NULL; } 
840                         
841                         //can you find the barcode
842                         int minDiff = 1e6;
843                         int minCount = 1;
844                         int minGroup = -1;
845                         int minPos = 0;
846                         
847                         for(map<string,int>::iterator it=primers.begin();it!=primers.end();it++){
848                                 string oligo = it->first;
849 //                              int length = oligo.length();
850                                 
851                                 if(rawSequence.length() < maxLength){   
852                                         success = pdiffs + 100;
853                                         break;
854                                 }
855                                 
856                                 //use needleman to align first barcode.length()+numdiffs of sequence to each barcode
857                                 alignment->align(oligo, rawSequence.substr(0,oligo.length()+pdiffs));
858                                 oligo = alignment->getSeqAAln();
859                                 string temp = alignment->getSeqBAln();
860                 
861                                 int alnLength = oligo.length();
862                                 
863                                 for(int i=oligo.length()-1;i>=0;i--){
864                                         if(oligo[i] != '-'){    alnLength = i+1;        break;  }
865                                 }
866                                 oligo = oligo.substr(0,alnLength);
867                                 temp = temp.substr(0,alnLength);
868                                 
869                                 int newStart=0;
870                                 int numDiff = countDiffs(oligo, temp);
871                                 
872 //                              cout << oligo << '\t' << temp << '\t' << numDiff << endl;                               
873                                 
874                                 if(numDiff < minDiff){
875                                         minDiff = numDiff;
876                                         minCount = 1;
877                                         minGroup = it->second;
878                                         minPos = 0;
879                                         for(int i=0;i<alnLength;i++){
880                                                 if(temp[i] != '-'){
881                                                         minPos++;
882                                                 }
883                                         }
884                                 }
885                                 else if(numDiff == minDiff){
886                                         minCount++;
887                                 }
888
889                         }
890
891                         if(minDiff > pdiffs)    {       success = minDiff;              }       //no good matches
892                         else if(minCount > 1)   {       success = pdiffs + 10;  }       //can't tell the difference between multiple primers
893                         else{                                                                                                   //use the best match
894                                 group = minGroup;
895                                 seq.setUnaligned(rawSequence.substr(minPos));
896                                 success = minDiff;
897                         }
898                         
899                         if (alignment != NULL) {  delete alignment;  }
900                         
901                 }
902                 
903                 return success;
904
905         }
906         catch(exception& e) {
907                 m->errorOut(e, "TrimSeqsCommand", "stripForward");
908                 exit(1);
909         }
910 }
911
912 //***************************************************************************************************************
913
914 bool TrimSeqsCommand::stripReverse(Sequence& seq){
915         try {
916                 string rawSequence = seq.getUnaligned();
917                 bool success = 0;       //guilty until proven innocent
918                 
919                 for(int i=0;i<numRPrimers;i++){
920                         string oligo = revPrimer[i];
921                         
922                         if(rawSequence.length() < oligo.length()){
923                                 success = 0;
924                                 break;
925                         }
926                         
927                         if(compareDNASeq(oligo, rawSequence.substr(rawSequence.length()-oligo.length(),oligo.length()))){
928                                 seq.setUnaligned(rawSequence.substr(0,rawSequence.length()-oligo.length()));
929                                 success = 1;
930                                 break;
931                         }
932                 }       
933                 return success;
934                 
935         }
936         catch(exception& e) {
937                 m->errorOut(e, "TrimSeqsCommand", "stripReverse");
938                 exit(1);
939         }
940 }
941
942 //***************************************************************************************************************
943
944 bool TrimSeqsCommand::cullLength(Sequence& seq){
945         try {
946         
947                 int length = seq.getNumBases();
948                 bool success = 0;       //guilty until proven innocent
949                 
950                 if(length >= minLength && maxLength == 0)                       {       success = 1;    }
951                 else if(length >= minLength && length <= maxLength)     {       success = 1;    }
952                 else                                                                                            {       success = 0;    }
953                 
954                 return success;
955         
956         }
957         catch(exception& e) {
958                 m->errorOut(e, "TrimSeqsCommand", "cullLength");
959                 exit(1);
960         }
961         
962 }
963
964 //***************************************************************************************************************
965
966 bool TrimSeqsCommand::cullHomoP(Sequence& seq){
967         try {
968                 int longHomoP = seq.getLongHomoPolymer();
969                 bool success = 0;       //guilty until proven innocent
970                 
971                 if(longHomoP <= maxHomoP){      success = 1;    }
972                 else                                    {       success = 0;    }
973                 
974                 return success;
975         }
976         catch(exception& e) {
977                 m->errorOut(e, "TrimSeqsCommand", "cullHomoP");
978                 exit(1);
979         }
980         
981 }
982
983 //***************************************************************************************************************
984
985 bool TrimSeqsCommand::cullAmbigs(Sequence& seq){
986         try {
987                 int numNs = seq.getAmbigBases();
988                 bool success = 0;       //guilty until proven innocent
989                 
990                 if(numNs <= maxAmbig)   {       success = 1;    }
991                 else                                    {       success = 0;    }
992                 
993                 return success;
994         }
995         catch(exception& e) {
996                 m->errorOut(e, "TrimSeqsCommand", "cullAmbigs");
997                 exit(1);
998         }
999         
1000 }
1001
1002 //***************************************************************************************************************
1003
1004 bool TrimSeqsCommand::compareDNASeq(string oligo, string seq){
1005         try {
1006                 bool success = 1;
1007                 int length = oligo.length();
1008                 
1009                 for(int i=0;i<length;i++){
1010                         
1011                         if(oligo[i] != seq[i]){
1012                                 if(oligo[i] == 'A' || oligo[i] == 'T' || oligo[i] == 'G' || oligo[i] == 'C')    {       success = 0;    }
1013                                 else if((oligo[i] == 'N' || oligo[i] == 'I') && (seq[i] == 'N'))                                {       success = 0;    }
1014                                 else if(oligo[i] == 'R' && (seq[i] != 'A' && seq[i] != 'G'))                                    {       success = 0;    }
1015                                 else if(oligo[i] == 'Y' && (seq[i] != 'C' && seq[i] != 'T'))                                    {       success = 0;    }
1016                                 else if(oligo[i] == 'M' && (seq[i] != 'C' && seq[i] != 'A'))                                    {       success = 0;    }
1017                                 else if(oligo[i] == 'K' && (seq[i] != 'T' && seq[i] != 'G'))                                    {       success = 0;    }
1018                                 else if(oligo[i] == 'W' && (seq[i] != 'T' && seq[i] != 'A'))                                    {       success = 0;    }
1019                                 else if(oligo[i] == 'S' && (seq[i] != 'C' && seq[i] != 'G'))                                    {       success = 0;    }
1020                                 else if(oligo[i] == 'B' && (seq[i] != 'C' && seq[i] != 'T' && seq[i] != 'G'))   {       success = 0;    }
1021                                 else if(oligo[i] == 'D' && (seq[i] != 'A' && seq[i] != 'T' && seq[i] != 'G'))   {       success = 0;    }
1022                                 else if(oligo[i] == 'H' && (seq[i] != 'A' && seq[i] != 'T' && seq[i] != 'C'))   {       success = 0;    }
1023                                 else if(oligo[i] == 'V' && (seq[i] != 'A' && seq[i] != 'C' && seq[i] != 'G'))   {       success = 0;    }                       
1024                                 
1025                                 if(success == 0)        {       break;   }
1026                         }
1027                         else{
1028                                 success = 1;
1029                         }
1030                 }
1031                 
1032                 return success;
1033         }
1034         catch(exception& e) {
1035                 m->errorOut(e, "TrimSeqsCommand", "compareDNASeq");
1036                 exit(1);
1037         }
1038
1039 }
1040 //***************************************************************************************************************
1041
1042 int TrimSeqsCommand::countDiffs(string oligo, string seq){
1043         try {
1044
1045                 int length = oligo.length();
1046                 int countDiffs = 0;
1047                 
1048                 for(int i=0;i<length;i++){
1049                                                                 
1050                         if(oligo[i] != seq[i]){
1051                                 if(oligo[i] == 'A' || oligo[i] == 'T' || oligo[i] == 'G' || oligo[i] == 'C' || oligo[i] == '-' || oligo[i] == '.')      {       countDiffs++;   }
1052                                 else if((oligo[i] == 'N' || oligo[i] == 'I') && (seq[i] == 'N'))                                {       countDiffs++;   }
1053                                 else if(oligo[i] == 'R' && (seq[i] != 'A' && seq[i] != 'G'))                                    {       countDiffs++;   }
1054                                 else if(oligo[i] == 'Y' && (seq[i] != 'C' && seq[i] != 'T'))                                    {       countDiffs++;   }
1055                                 else if(oligo[i] == 'M' && (seq[i] != 'C' && seq[i] != 'A'))                                    {       countDiffs++;   }
1056                                 else if(oligo[i] == 'K' && (seq[i] != 'T' && seq[i] != 'G'))                                    {       countDiffs++;   }
1057                                 else if(oligo[i] == 'W' && (seq[i] != 'T' && seq[i] != 'A'))                                    {       countDiffs++;   }
1058                                 else if(oligo[i] == 'S' && (seq[i] != 'C' && seq[i] != 'G'))                                    {       countDiffs++;   }
1059                                 else if(oligo[i] == 'B' && (seq[i] != 'C' && seq[i] != 'T' && seq[i] != 'G'))   {       countDiffs++;   }
1060                                 else if(oligo[i] == 'D' && (seq[i] != 'A' && seq[i] != 'T' && seq[i] != 'G'))   {       countDiffs++;   }
1061                                 else if(oligo[i] == 'H' && (seq[i] != 'A' && seq[i] != 'T' && seq[i] != 'C'))   {       countDiffs++;   }
1062                                 else if(oligo[i] == 'V' && (seq[i] != 'A' && seq[i] != 'C' && seq[i] != 'G'))   {       countDiffs++;   }                       
1063                                 
1064                         }
1065                 }
1066                 
1067                 return countDiffs;
1068         }
1069         catch(exception& e) {
1070                 m->errorOut(e, "TrimSeqsCommand", "countDiffs");
1071                 exit(1);
1072         }
1073
1074 }
1075 //***************************************************************************************************************
1076
1077 bool TrimSeqsCommand::stripQualThreshold(Sequence& seq, ifstream& qFile){
1078         try {
1079 //              string rawSequence = seq.getUnaligned();
1080 //              int seqLength;  // = rawSequence.length();
1081 //              string name, temp, temp2;
1082 //              
1083 //              qFile >> name;
1084 //              
1085 //              //get rest of line
1086 //              temp = "";
1087 //              while (!qFile.eof())    {       
1088 //                      char c = qFile.get(); 
1089 //                      if (c == 10 || c == 13){        break;  }       
1090 //                      else { temp += c; }
1091 //              } 
1092 //      
1093 //              int pos = temp.find("length");
1094 //              if (pos == temp.npos) { m->mothurOut("Cannot find length in qfile for " + seq.getName()); m->mothurOutEndLine();  seqLength = 0;  }
1095 //              else {
1096 //                      string tempLength = temp.substr(pos);
1097 //                      istringstream iss (tempLength,istringstream::in);
1098 //                      iss >> temp;
1099 //              }
1100 //              
1101 //              splitAtEquals(temp2, temp); //separates length=242, temp=length, temp2=242
1102 //              convert(temp, seqLength); //converts string to int
1103 //      
1104 //              if (name.length() != 0) {  if(name.substr(1) != seq.getName())  {       m->mothurOut("sequence name mismatch btwn fasta and qual file"); m->mothurOutEndLine(); }  } 
1105                 
1106                 string rawSequence = seq.getUnaligned();
1107                 int seqLength = seq.getNumBases();
1108                 bool success = 0;       //guilty until proven innocent
1109                 string name;
1110                 
1111                 qFile >> name;
1112                 if (name[0] == '>') {  if(name.substr(1) != seq.getName())      {       m->mothurOut("sequence name mismatch btwn fasta: " + seq.getName() + " and qual file: " + name); m->mothurOutEndLine(); }  }
1113                 
1114                 while (!qFile.eof())    {       char c = qFile.get(); if (c == 10 || c == 13){  break;  }       }
1115                 
1116                 int score;
1117                 int end = seqLength;
1118                 
1119                 for(int i=0;i<seqLength;i++){
1120                         qFile >> score;
1121                         
1122                         if(score < qThreshold){
1123                                 end = i;
1124                                 break;
1125                         }
1126                 }
1127                 for(int i=end+1;i<seqLength;i++){
1128                         qFile >> score;
1129                 }
1130                 
1131                 seq.setUnaligned(rawSequence.substr(0,end));
1132                 
1133                 return 1;
1134         }
1135         catch(exception& e) {
1136                 m->errorOut(e, "TrimSeqsCommand", "stripQualThreshold");
1137                 exit(1);
1138         }
1139 }
1140
1141 //***************************************************************************************************************
1142
1143 bool TrimSeqsCommand::cullQualAverage(Sequence& seq, ifstream& qFile){
1144         try {
1145                 string rawSequence = seq.getUnaligned();
1146                 int seqLength = seq.getNumBases();
1147                 bool success = 0;       //guilty until proven innocent
1148                 string name;
1149                 
1150                 qFile >> name;
1151                 if (name[0] == '>') {  if(name.substr(1) != seq.getName())      {       m->mothurOut("sequence name mismatch btwn fasta: " + seq.getName() + " and qual file: " + name); m->mothurOutEndLine(); }  }
1152                 
1153                 while (!qFile.eof())    {       char c = qFile.get(); if (c == 10 || c == 13){  break;  }       }
1154                 
1155                 float score;    
1156                 float average = 0;
1157                 
1158                 for(int i=0;i<seqLength;i++){
1159                         qFile >> score;
1160                         average += score;
1161                 }
1162                 average /= seqLength;
1163
1164                 if(average >= qAverage) {       success = 1;    }
1165                 else                                    {       success = 0;    }
1166                 
1167                 return success;
1168         }
1169         catch(exception& e) {
1170                 m->errorOut(e, "TrimSeqsCommand", "cullQualAverage");
1171                 exit(1);
1172         }
1173 }
1174
1175 //***************************************************************************************************************