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Re: How can I suppress 'uninitialized' warnings in a CPAN module?

by educated_foo (Vicar)
on Nov 17, 2013 at 16:25 UTC ( #1062998=note: print w/replies, xml ) Need Help??

in reply to How can I suppress 'uninitialized' warnings in a CPAN module?

Why does the "no warnings 'uninitialized';" not work?
"use warnings" and "no warnings" are lexical, which means that you can't change them in modules you use. I'd remove "use warnings;" from, or add
BEGIN { $INC{""}="blah" }
to the beginning of your program.

EDIT: To explain, %INC is a hash table where Perl keeps track of what modules it has already loaded. The above line tells Perl "yeah, yeah, I've already loaded "". "" does its work in warnings::import(), called when some code does "use warnings," but since you've told it that "" has already been read, and warnings::import() is undefined, Perl won't call it, and hence won't create the annoyance.

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