Jeroen Ruigrok van der Werven wrote:
> -On [20080108 09:21], Horacius ReX ([EMAIL PROTECTED]) wrote:
>>I have to search for a string on a big file. Once this string is
>>found, I would need to get the number of the line in which the string
>>is located on the file. Do you know how if this is possible to do in
>>python ?
>
> (Assuming ASCII, otherwise check out codecs.open().)
>
> big_file = open('bigfile.txt', 'r')
>
> line_nr = 0
> for line in big_file:
> line_nr += 1
> has_match = line.find('my-string')
> if has_match > 0:
> print 'Found in line %d' % (line_nr)
>
> Something to this effect.
apart from that look at the linecache module. If it's a big file it could
help you with subsequent access to the line in question
hth
martin
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