
Jasmine
Administrator
Jan 19, 2001, 3:24 PM
Post #1 of 1
(4785 views)
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How can I know how many entries are in a hash?
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(From the Perl FAQ) How can I know how many entries are in a hash? If you mean how many keys, then all you have to do is take the scalar sense of the keys() function: $num_keys = scalar keys %hash; In void context it just resets the iterator, which is faster for tied hashes.
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