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Re^2: Testing $^W

by Anonymous Monk
on Nov 04, 2005 at 18:39 UTC ( #505838=note: print w/ replies, xml ) Need Help??

in reply to Re: Testing $^W
in thread Testing $^W

But then, why stop at testing $^W? How about $*? $"? @ARGV?, %SIG? $package::var?

I think you meant this in jest, but this would be a very valuable resource if it could be automated; kind of like the sort of utility that tests for memory leaks in C.

Just being able to know that a given module has tampered with your { global variables/function definitions/namespaces/whatever} is very, very handy.

Perl gives you a lot of rope to hang yourself (and others!) with; having tools to keep it coiled neatly would really be nice sometimes. :-)

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Re^3: Testing $^W
by jthalhammer (Friar) on Nov 06, 2005 at 23:14 UTC
    That's a great idea! I think you could add a Policy to Perl::Critic that warns you if a global or package variable was modified without being localized first.

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