Re^2: how to identify a null hash value

Thank you, this works although it gives me a perl warning
keys on reference is experimental at <program>.pl line NNN.
How to suppress?

Comment on Re^2: how to identify a null hash value

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Re^3: how to identify a null hash value by AnomalousMonk (Archbishop) on Jun 05, 2015 at 18:04 UTC
`keys %{ $hh{'QUESTION_TEXT'} }` or better yet, IMHO, `keys %$value` (untested). Give a man a fish: `<%-(-(-(-<`	[reply] [d/l] [select]