length 
perldoc -f length

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This function cannot be used on an entire array or hash to find out how many elements these have. For that, use "scalar @array" and "scalar keys %hash", respectively.

In reply to Re: Is it possible to determine the number of values for a particular hash key? by toolic
in thread Is it possible to determine the number of values for a particular hash key? by SuzuBell

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