I know it isn't my thread but I had to ask: Can you please explain what you are doing here: 
undef(@hash{qw(shave the modern way)});

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Why you accessing a hash as an array ? ('@' char)? I am missing something I think ...

In reply to Re^2: Effecicncy of key-only hash by leonidlm
in thread Effecicncy of key-only hash by brycen

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