Be careful, this piece of code is untested, due to lack of testing data. If there is any gap, just ask back, we will help.

replace $var1 with your real variable name.

#!/usr/bin/perl

use strict;

my $hash;
foreach my $pair (@{$var1->{"OID_NAME"}}) {
    $hash->{$pair->[0]} ++;
}

[download]

In reply to Re: Determining duplicate array elements by pg
in thread Determining duplicate array elements by Anonymous Monk

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