[Israel.pm] FW: FW: FW: check if hash is defined - without the keys

Alan Haggai Alavi alanhaggai at gmail.com
Thu Jan 22 06:38:12 PST 2009


Quoting from perldata:

"If you evaluate a hash in scalar context, it returns false if the
hash is empty. If there are any key/value pairs, it returns true; more
precisely, the value returned is a string consisting of the number of
used buckets and the number of allocated buckets, separated by a

Alan Haggai Alavi.

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