I like to use warn instead of print STDERR if only to someday take advantage of $SIG{__WARN__}:
require Carp;
$SIG{__WARN__} = sub { Carp::cluck(@_) };

# for use with debugger
$SIG{__WARN__} = sub { $DB::single = 1 };

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In reply to Re: using warn instead or print STDERR? by repellent
in thread using warn instead or print STDERR? by leocharre

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