How can I make Perl die if a warning is generated?

Question

I would like my script perl to die whenever a warning is generated, including warnings which are generated by used packages.

For example, this should die:

Answer 1

I believe you're looking for $SIG{__WARN__} as documented in perlvar. Something similar to

$SIG{__WARN__} = sub { die @_ };

might be what you want.