<p>Example:</p>
use strict;
use warnings;
use Data::Dumper;
use Array::Utils qw(:all);

my @a = qw( a b c d );
my @b = qw( c d e f );

my @diff = array_diff(@a, @b);

print "Difference:\n";
print Dumper \@diff;

print "Intersection:\n";
my @isect = intersect(@a, @b);
print Dumper \@isect;

print "Unique union:\n";
my @unique = unique(@a, @b);
print Dumper \@unique;

# check if arrays contain same members
if ( !array_diff(@a, @b) ) {
# do something
}

# get items from array @a that are not in array @b
my @minus = array_minus( @a, @b );

print Dumper \@minus;