in reply to Re: how to identify a null hash value
in thread how to identify a null hash value

What I have is a key/value pair, where the value is a zero-length value. I was referring to that as "null".
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Re^3: how to identify a null hash value
by kcott (Archbishop) on Jun 10, 2015 at 18:27 UTC

    Then you'll want the length() function which can be found in "Perl functions A-Z".

    -- Ken