http://www.perlmonks.org?node_id=31854


in reply to Adding 2 + 2

#!/usr/bin/perl -w

use strict;

my $i = 3;
my $j = $i-1;
my $n = $i & $j;

print "$n + $n = ", $n + $n;

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-- ar0n, i broke my 'two' key :-(

In Section Cool Uses for Perl