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Re^5: Hmmm: while(), file handle and $_ gotchaby Porculus (Hermit) |
on Mar 06, 2009 at 21:47 UTC ( [id://748970]=note: print w/replies, xml ) | Need Help?? |
For small values of "required".
(But don't do that, because the version with the explicit variable is obviously right, whereas the version without one forces the reader to pause and wonder whether it will work or not. So it is, I suppose, required in the sense of "required by any sane coding standards" ...)
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