use warnings; and perl -w are not the same thing.
I'm aware of that, the different scoping, the possibility to use warnings::register; ... but the way I understand it, use warnings; is not reasonable after setting $^W = 1; # equivalent to perl -w which is done by use diagnostics;. Please correct me if I'm overlooking something here...

-- Hofmator

In reply to Re3: strict, warnings and diagnostics pragmas by Hofmator
in thread strict, warnings and diagnostics pragmas by tomazos

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