Here's my list of green flags

• The module is a standard one in the Perl distribution.
• The module shows signs of maintenance, ie a release history and/or a recent release date.
• The module has an active support community such as the Perl-LDAP or Perl/Tk modules have.
• I have seen the module (often) recommended as a solution here.
• I have seen the module recommended elsewhere, ie merlyn's columns perl.com article etc.
• The module has a review here with positive comments.
• The author is well known in the community.

I think asking here is a fair approach too, something along the lines of "I am trying to solve X and I have found modules <list> on CPAN of which I can see <blah>, does any-one have any experience with this? " which shows you have thought about it and especially if it comes with a promise to write a review on which ever module is chosen :)

--
Do not seek to follow in the footsteps of the wise. Seek what they sought. -Basho

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