On Fri, 29 Jan 2010 11:23:54 +0200, Johann Spies wrote: > On Thu, Jan 28, 2010 at 07:07:04AM -0800, evilweasel wrote: >> Hi folks, >> >> I am a newbie to python, and I would be grateful if someone could point >> out the mistake in my program. Basically, I have a huge text file >> similar to the format below: >> >> AAAAAGACTCGAGTGCGCGGA 0 >> AAAAAGATAAGCTAATTAAGCTACTGG 0 >> AAAAAGATAAGCTAATTAAGCTACTGGGTT 1 >> AAAAAGGGGGCTCACAGGGGAGGGGTAT 1 >> AAAAAGGTCGCCTGACGGCTGC 0 > > I know this is a python list but if you really want to get the job done > quickly this is one method without writing python code: > > $ cat /tmp/y > AAAAAGACTCGAGTGCGCGGA 0 > AAAAAGATAAGCTAATTAAGCTACTGG 0 > AAAAAGATAAGCTAATTAAGCTACTGGGTT 1 > AAAAAGGGGGCTCACAGGGGAGGGGTAT 1 > AAAAAGGTCGCCTGACGGCTGC 0 > $ grep -v 0 /tmp/y > tmp/z > $ cat /tmp/z > AAAAAGATAAGCTAATTAAGCTACTGGGTT 1 > AAAAAGGGGGCTCACAGGGGAGGGGTAT 1
That will do the wrong thing for lines like: AAAAAGATAAGCTAATTAAGCTACTGGGTT 10 -- Steven -- http://mail.python.org/mailman/listinfo/python-list
