foreach my $arrayItem1(@{$$HOAOH1{details}})
{
    foreach my $arrayItem2(@{$$HOAOH2{details}})
    {
        foreach my $keyArrayItem1(sort keys%$arrayItem1)
        {
            if ($$arrayItem1{$keyArrayItem1} eq $$arrayItem2{$keyArray
+Item1})
            {
                print "Match:$$arrayItem1{$keyArrayItem1} $$arrayItem2
+{$keyArrayItem1}\n";
                
            }
        }
        
    }
}

[download]
I tried this but it compares each key of every Hash in structure1 with each key of every Hash in structure2.

In reply to Re^2: Compare array of hashes by AnishaM
in thread Compare array of hashes by AnishaM

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