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3
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1 /*
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2 FASTX-toolkit - FASTA/FASTQ preprocessing tools.
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3 Copyright (C) 2009 A. Gordon (gordon@cshl.edu)
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4
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5 This program is free software: you can redistribute it and/or modify
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6 it under the terms of the GNU Affero General Public License as
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7 published by the Free Software Foundation, either version 3 of the
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8 License, or (at your option) any later version.
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9
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10 This program is distributed in the hope that it will be useful,
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11 but WITHOUT ANY WARRANTY; without even the implied warranty of
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12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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13 GNU Affero General Public License for more details.
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14
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15 You should have received a copy of the GNU Affero General Public License
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16 along with this program. If not, see <http://www.gnu.org/licenses/>.
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17 */
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18 #include <limits.h>
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19 #include <stdio.h>
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20 #include <stdlib.h>
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21 #include <string.h>
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22 #include <getopt.h>
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23 #include <errno.h>
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24 #include <err.h>
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25
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26 #include <config.h>
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27
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28 #include "fastx.h"
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29 #include "fastx_args.h"
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30
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31 const char* usage=
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32 "usage: fastq_quality_converter [-h] [-a] [-n] [-z] [-i INFILE] [-f OUTFILE]\n" \
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33 "\n" \
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34 "version " VERSION "\n" \
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35 " [-h] = This helpful help screen.\n" \
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36 " [-a] = Output ASCII quality scores (default).\n" \
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37 " [-n] = Output numeric quality scores.\n" \
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38 " [-z] = Compress output with GZIP.\n" \
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39 " [-i INFILE] = FASTA/Q input file. default is STDIN.\n" \
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40 " [-o OUTFILE] = FASTA output file. default is STDOUT.\n" \
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41 "\n";
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42
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43 FASTX fastx;
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44 int flag_output_ascii = 1;
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45
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46 int parse_program_args(int __attribute__((unused)) optind, int optc, char __attribute__((unused)) *optarg)
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47 {
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48 switch(optc) {
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49 case 'a': //this is the default, nothing to change
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50 break;
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51
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52 case 'n':
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53 flag_output_ascii = 0 ;
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54 break;
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55 default:
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56 errx(1, __FILE__ ":%d: Unknown argument (%c)", __LINE__, optc ) ;
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57 }
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58 return 1;
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59 }
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60
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61
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62 int main(int argc, char* argv[])
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63 {
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64 fastx_parse_cmdline(argc, argv, "an", parse_program_args);
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65
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66 fastx_init_reader(&fastx, get_input_filename(),
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67 FASTQ_ONLY, ALLOW_N, REQUIRE_UPPERCASE);
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68
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69 fastx_init_writer(&fastx, get_output_filename(),
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70 flag_output_ascii ? OUTPUT_FASTQ_ASCII_QUAL : OUTPUT_FASTQ_NUMERIC_QUAL,
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71 compress_output_flag());
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72
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73 while ( fastx_read_next_record(&fastx) ) {
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74 fastx_write_record(&fastx);
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75 }
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76
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77 //Print verbose report
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78 if ( verbose_flag() ) {
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79 fprintf(get_report_file(), "Input: %zu reads.\n", num_input_reads(&fastx) ) ;
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80 fprintf(get_report_file(), "Output: %zu reads.\n", num_output_reads(&fastx) ) ;
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81 }
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82 return 0;
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83 }
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