However, to round out the thought, if you do use the warnings pragma, make sure you require a specific version of Perl. Something like:
use 5.6.0;
use warnings;

[download]

That way, someone else using your script on another machine doesn't have a nasty surprise. (Personally, I think every production-level script should demand a specific Perl version, even if you know what will happen. You never always know ... ever.)

In reply to Re: use warnings vs. -w by dragonchild
in thread use warnings vs. -w by earthboundmisfit

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