#!/usr/bin/perl use strict; use warnings; $|=1; use threads; use threads::shared; my %testOne :shared = (A => 1, B => 2, C => 3, D => 4, E => 5); my %testTwo = (A => 1, B => 2, C => 3, D => 4, E => 5); my $inc :shared = 1; do { threads->create(sub { while (1){ my $i = join('', sort keys %testOne); my $j = join('', sort keys %testTwo); print "$inc-1\t$i\n" if ($i ne 'ABCDE'); print "$inc-2\t\t$j\n" if ($j ne 'ABCDE'); } }); } while (sleep 5 && $inc++ && $inc < 100);