#!/usr/bin/perl --

my $f = undef;

print "$f\n";
use warnings;
print "$f\n";
no warnings;
print "$f\n";
__END__

Use of uninitialized value in concatenation (.) or string at - line 7.

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In reply to Re^4: Subroutine references inside of a hash with arguments. by Anonymous Monk
in thread Subroutine references inside of a hash with arguments. by shift9999

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