Another solution is to make warnings fatal (see perllexwarn) and then handle it all with eval. Disadvantage is that it will also catch ordinary errors. 

my $success = eval {
    use warnings FATAL => 'all';
    risky_operation();
    1;
};
unless ($success) {
    warn frob_message($!);
}

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Perl 6 - second systems done right

In reply to Re: How to modify a warning message within a sub? by moritz
in thread How to modify a warning message within a sub? by Marshall

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