There is of course an "enormous" potential for golfing the snippet below
foreach (@array) {
    $hash{$_}++;
}
foreach (keys %hash) {
    delete $hash{$_} if ($hash{$_} > 1);
}
@array2 = keys %hash;

[download]

HTH

In reply to Re: Eliminate duplicate and original values by guha
in thread Eliminate duplicate and original values by Anonymous Monk

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