Utility for finding duplicate files?

[Walter Dnes]

  Last week, after my main machine's hard drive started making ominous
noises, I copied over just about all data from the machine.  There's a
ton of duplication with the major backups on my backup USB drive.  I
could do something like...

#!/bin/bash
for file1 in *
do
if diff -q ${file1} ../dir2/${file1}; then
  echo "rm ../dir2/${file1}" >> removelist
fi
done

...and then source removelist

  Is there a utility program already written that can generate a list of
duplicate files?

-- 
Walter Dnes <waltdnes-SLHPyeZ9y/tg9hUCZPvPmw at public.gmane.org>
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