in reply to Find Perl Modules Installed.
Something that's been useful to me in the past is the pmtools suite from Tom Christiansen. I can't seem to find a working link to them, so I've uploaded the tarball to my server.
http://ampa.pair.com/~mikeirw/pmtools-1.00.tar.gz
The one that you'll want to check out is called 'pminst'.
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