[oak perl] Comparing two files
M. Lewis
cajun at cajuninc.com
Sun May 29 16:17:27 PDT 2005
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
>
--
Unprecedented performance: Nothing ever ran this slow before.
18:16:01 up 4 days, 33 min, 5 users, load average: 0.06, 0.06, 0.02
Linux Registered User #241685 http://counter.li.org
More information about the Oakland
mailing list