I'd suggest reading the data from the match_zips into a list, and if
the format isn't correct, doing some post-processing on it. But
there's no way to advise on that since we weren't given the format
of either file.
zipdata = match_zips.readlines()
Then you can do an if XXX in zipdata with assurance.
Here is a simplified version of the program:
#!/usr/bin/env python
def main():
infile = open("filex")
outfile = open("results_testx", "w")
zips = open("zippys")
match_zips = zips.readlines()
results = [line for line in infile if line[0:2] in match_zips]
outfile.write(''.join(results))
zips.close()
infile.close()
outfile.close()
main()
filex:
112332424
23423423423
34523423423
456234234234
234234234234
5672342342
67824242
zippys:
567
678
555
I want to output the lines in filex that match the the first 3 chars
of zippys.
output:
5672342342
67824242
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