Re: Need utility to search for duplicate files
On Sat, Apr 13, 2002 at 03:18:47AM -0500, Alex Malinovich wrote:
> My desktop system is used by 3 users, each having a few thousand files
> in their home directory. Since we primarily have the same interests,
> there are a LOT of duplicates to be found. Earlier I found an mpeg movie
> that all three of us had that was 120 MB. That's 240 MB of wasted space.
> Unfortunately, the files won't always have the same filename. Does
> anyone know of a utility that can go through and search for files with
> the same size and/or date and delete them or notify me?
Maybe something combining "find", "md5sum", "sort", and "join"?
$ find /home/<user>/ -type f -exec md5sum \{} \; > /tmp/<user>.md5sums
$ sort /tmp/<user>.md5sums > /tmp/<user>.sorted
$ join /tmp/<user1>.sorted /tmp/<user2>.sorted > /tmp/matches.
--
Eric G. Miller <egm2@jps.net>
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