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There doesn't appear to be any way to do what you want. The trouble being that Perl's subs are dynamic, so it is completely fair to have a sub that is created on the fly, and only exists when the program is running.
This is, after all, what happens when you import a module. A quick browse of CPAN didn't show up any module that would do run-time checks for functions to exist, so it sounds like you have 'an opportunity, rather than a problem'.
___________________ In reply to Re: Detect undefined subroutines
by jepri
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