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Not exactly what you're looking for, but
perldoc perllocal will show everything that you've installed with CPAN.
I've also seen a one-liner which does something more along the lines of what you are asking about, although it doesn't seem to return a complete list: perl -MExtUtils::Installed -e'my $inst = ExtUtils::Installed->new(); print $_, $/ for $inst->modules' Update: Actually, the second option that I gave does give a complete output. I forgot that ExtUtils::Installed uses "Perl" to represent the core modules. So you're still not technically getting a complete listing of all modules, but according to the method ExtUtils::Installed is using, the listing is complete. Because of the method used by ExtUtils::Installed to represent the core, you are basically getting the same from both of the above options. The difference is that the second returns a nice, clean list, while the first is intended to be in a human-readable format. In reply to Re: Listing all installed modules
by scottj
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