#!/usr/bin/perl -w
use strict;
my @array1 = (1,2,2,4);
my @array2 = (2,2,4,1,6);
my %hash1;
my %hash2;
my $not_ok;
foreach(@array1){
    $hash1{$_} +=1;
}
foreach(@array2){
    $hash2{$_} +=1;
}
while (my ($key,$hash1_value) = each %hash1) {
    if ($hash2{$key} && ($hash1_value == $hash2{$key})) {
        next;        
    }
    else {
        $not_ok = 1;
        last;
    }
}
if ($not_ok) {
    print "Array1 is not a subset of Array2\n";
}
else {
    print "We have a winner\n";
}