+/**************************************************************************************************/
+
+int TrimSeqsCommand::setLines(string filename, string qfilename, vector<unsigned long int>& fastaFilePos, vector<unsigned long int>& qfileFilePos) {
+ try {
+
+ //set file positions for fasta file
+ fastaFilePos = m->divideFile(filename, processors);
+
+ if (qfilename == "") { return processors; }
+
+ //get name of first sequence in each chunk
+ map<string, int> firstSeqNames;
+ for (int i = 0; i < (fastaFilePos.size()-1); i++) {
+ ifstream in;
+ m->openInputFile(filename, in);
+ in.seekg(fastaFilePos[i]);
+
+ Sequence temp(in);
+ firstSeqNames[temp.getName()] = i;
+
+ in.close();
+ }
+
+ //seach for filePos of each first name in the qfile and save in qfileFilePos
+ ifstream inQual;
+ m->openInputFile(qfilename, inQual);
+
+ string input;
+ while(!inQual.eof()){
+ input = m->getline(inQual);
+
+ if (input.length() != 0) {
+ if(input[0] == '>'){ //this is a sequence name line
+ istringstream nameStream(input);
+
+ string sname = ""; nameStream >> sname;
+ sname = sname.substr(1);
+
+ map<string, int>::iterator it = firstSeqNames.find(sname);
+
+ if(it != firstSeqNames.end()) { //this is the start of a new chunk
+ unsigned long int pos = inQual.tellg();
+ qfileFilePos.push_back(pos - input.length() - 1);
+ firstSeqNames.erase(it);
+ }
+ }
+ }
+
+ if (firstSeqNames.size() == 0) { break; }
+ }
+ inQual.close();
+
+
+ if (firstSeqNames.size() != 0) {
+ for (map<string, int>::iterator it = firstSeqNames.begin(); it != firstSeqNames.end(); it++) {
+ m->mothurOut(it->first + " is in your fasta file and not in your quality file, not using quality file."); m->mothurOutEndLine();
+ }
+ qFileName = "";
+ return processors;
+ }
+
+ //get last file position of qfile
+ FILE * pFile;
+ unsigned long int size;
+
+ //get num bytes in file
+ pFile = fopen (qfilename.c_str(),"rb");
+ if (pFile==NULL) perror ("Error opening file");
+ else{
+ fseek (pFile, 0, SEEK_END);
+ size=ftell (pFile);
+ fclose (pFile);
+ }
+
+ qfileFilePos.push_back(size);
+
+ return processors;
+ }
+ catch(exception& e) {
+ m->errorOut(e, "TrimSeqsCommand", "setLines");
+ exit(1);
+ }
+}