by zby (Vicar)

on May 25, 2004 at 06:03 UTC ( [id://356154]=note: print w/replies, xml )

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Thanks. And what with the other question?

Comment on Re: Re^4: Tripwire tests and future-proofing

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Re^6: Tripwire tests and future-proofing by adrianh (Chancellor) on May 25, 2004 at 06:41 UTC
Two questions: How many items are in the hash in the example you gave? Does `keys` actually returns a list in a scalar context? :-)	[reply] [d/l]
Re: Re: Re^4: Tripwire tests and future-proofing by BUU (Prior) on May 25, 2004 at 17:37 UTC
keys in scalar context returns the number of elements in the resulting list. Whether this is magic in the keys function, or it's returning an "array" instead of a "list", I have no idea. `>perl -e"%x=qw/foo bar 1 2 3 4 baz bar/; print scalar keys %x" 4` [download]	[reply] [d/l]

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