comparison tools/fastq/tabular_to_fastq.py @ 0:9071e359b9a3

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author xuebing
date Fri, 09 Mar 2012 19:37:19 -0500
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-1:000000000000 0:9071e359b9a3
1 #Dan Blankenberg
2 import sys
3
4 def main():
5 input_filename = sys.argv[1]
6 output_filename = sys.argv[2]
7 identifier_col = int( sys.argv[3] ) - 1
8 sequence_col = int( sys.argv[4] ) - 1
9 quality_col = int( sys.argv[5] ) - 1
10
11 max_col = max( identifier_col, sequence_col, quality_col )
12 num_reads = None
13 fastq_read = None
14 skipped_lines = 0
15 out = open( output_filename, 'wb' )
16 for num_reads, line in enumerate( open( input_filename ) ):
17 fields = line.rstrip( '\n\r' ).split( '\t' )
18 if len( fields ) > max_col:
19 out.write( "@%s\n%s\n+\n%s\n" % ( fields[identifier_col], fields[sequence_col], fields[quality_col] ) )
20 else:
21 skipped_lines += 1
22
23 out.close()
24 if num_reads is None:
25 print "Input was empty."
26 else:
27 print "%i tabular lines were written as FASTQ reads. Be sure to use the FASTQ Groomer tool on this output before further analysis." % ( num_reads + 1 - skipped_lines )
28
29 if __name__ == "__main__": main()