This is basicly the same as davido's but without the module:

#!/usr/bin/perl
use warnings;
use strict;

my @temp1 = qw( test test1 test test2 test2 test );
print "----------------------\nContents of Temp1 Array\n";
print map "\t$_\n", @temp1;

my @temp2 = qw( test1 test2 test2 );
print "----------------------\nContents of Temp2 Array\n";
print map "\t$_\n", @temp2;

my %temp1;
$temp1{ $_ }++ for @temp1;

my %temp2;
$temp2{ $_ }++ for @temp2;


print "----------------------\nThe (Unique) Intersection of Temp1 and 
+Temp2 Arrays\n";
for my $key ( grep exists( $temp2{ $_ } ), keys %temp1 ) {
    my $count = $temp2{ $key } < $temp1{ $key } ? $temp2{ $key } : $te
+mp1{ $key };
    print map "\t$_\n", ( $key ) x $count;
    }
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