in reply to subroutine introspection

You can get the prototype of a function as: 
prototype \&foo;

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I leave it up to you to parse the prototype (which has been enhanced in recent Perl versions).

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Re^2: subroutine introspection
by misterb101 (Sexton) on Dec 22, 2010 at 19:29 UTC
    I have been programming Perl for 15 years... and I never knew this amazingly simple function.... Thanks for enlightening me :D
    --
    Cheers,
    Rob
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