I often get email from someone reporting a bug in a module I've written. I
email back, asking what version of the module it is, what version of Perl on
what OS, and sometimes what version of some relevent third library (like
XML::Parser). They reply, saying "Perl 5". I say "I need the exact version, as
reported by perl -v". They tell me. And I say "I, uh, also asked about the
version of my module and XML::Parser [or whatever]". They say "Oh yeah. It's
2.27". "Is that my module or XML::Parser?" "XML::Parser." "OK, and what about
my module's version?" "Ohyeah. That's 3.11." By this time, days have passed,
and what should have been a simple operation -- reporting the version of Perl
and relevent modules, has been needlessly complicated.

This module is for simplifying that task. If you add "use
Module::Versions::Report;" to a program (especially handy if your program is
one that demonstrates a bug in some module), then when the program has finished
running, you well get a report detailing the all modules in memory, and noting
the version of each (for modules that defined a $VERSION, at least).

Author:
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Sean M. Burke,