[oak perl] Comparing two files
M. Lewis
cajun at cajuninc.com
Sun May 29 20:33:44 PDT 2005
Thanks Jim. get_unique() was exactly what I needed.
Thanks for calling my attention to your module.
M
M. Lewis wrote:
> Thanks Jim. I'll check out the module.
>
> Thanks,
> Mike
>
>
> James Keenan wrote:
>
>>>From: "M. Lewis" <cajun at cajuninc.com>
>>>
>>>I'm writing a script to compare two text files ($shortfile &
>>>$longfile).
>>>If a line appears in $shortfile, but that line is not in $longfile,
>>>then
>>>I want to write that line out to $differences
>>>
>>>I'm relatively certain it is not efficient to open $longfile for each
>>>entry in $shortfile. Both files are of the magnitude of 800+ lines.
>>
>>
>>As Michael Paoli and Mark Bole have noted these files are small enough
>>that you can slurp them into memory and deal with them as arrays or
>>hashes.
>>
>>My List-Compare module, available on CPAN, has methods such as
>>get_unique() and get_difference() which might be useful in this
>>respect. It can handle either arrays or hashes as arguments.
>>
>>Jim Keenan
>>
>>_______________________________________________
>>Oakland mailing list
>>Oakland at pm.org
>>http://mail.pm.org/mailman/listinfo/oakland
>>
>
>
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