Using grep is deceptively fast
Since it performs the iteration internally it is bound to be very fast indeed, and scalar context will also help as it saves on the assignment. Will also do my best not to offend anyone's aesthetic sensibilities in future ;)
HTH

_________
broquaint

In reply to Re: Re: Re:x2 Counting keys with defined or undefined elements in a hash by broquaint
in thread Counting keys with defined or undefined elements in a hash by Bukowski

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