On 4/4/2010 5:18 PM, TGW wrote:
I wrote a script that compares two text files (one zip code file, and
one address file) and tries to output records that match the
zipcodes. Here is what I have so far:
#!/usr/bin/env python
# Find records that match zipcodes in zips.txt
def main():
infile = open("/Users/tgw/NM_2010/NM_APR.txt", "r")
outfile = open("zip_match_apr_2010.txt", "w")
match_zips = open("zips.txt", "r")
lines = [line for line in infile if line[149:154] in match_zips] #
*** I think the problem is here ***
Yep. You are right.
Try a very simple test case; see if you can figure out what's happening:
infile:
123
234
345
match_zips:
123
234
345
infile = open("infile")
match_zips = open("match_zips")
[line for line in infile if line in match_zips]
Now change infile:
123
244
345
and run the program again.
Interesting, no. Does that give you any insights?
outfile.write(''.join(lines))
infile.close()
outfile.close()
main()
I go the program functioning with
lines = [line for line in infile if line[149:154] not in match_zips]
But this matches records that do NOT match zipcodes. How do I get this
running so that it matches zips?
Thanks
--
Bob Gailer
919-636-4239
Chapel Hill NC
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