So, your suggestion is to makes lists of the keys from both hashes and put them into a third hash, incrementing the values. And then grep the values of the third hash to see if any of them are 2 or greater?

And you do not see a problem with that?

Thanks, but I wait till someone who uderstands the purpose of hashes comes along and gives me the appropriate syntax.

In reply to Re^4: Common hash keys by Anonymous Monk
in thread Common hash keys by Anonymous Monk

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