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Re: Should [[ -v 1 ]] be supported?

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  Re: Should [[ -v 1 ]] be supported? Chet Ramey <chet.ramey@case.edu> - 2018-12-27 13:22 -0500

#14967 — Re: Should [[ -v 1 ]] be supported?

On 12/26/18 10:49 PM, Peng Yu wrote:

> Although [[ -z ${1+s} ]]  and (($#)) works for testing if $1 is set,
> neither of them are uniformly better performance wise. In this case,
> should [[ -v 1 ]] be supported?

So you're saying that neither of the existing options performs better
than the other, though they both perform well, so we should add some
new capability just because? That's a particularly poor argument.


-- 
``The lyf so short, the craft so long to lerne.'' - Chaucer
		 ``Ars longa, vita brevis'' - Hippocrates
Chet Ramey, UTech, CWRU    chet@case.edu    http://tiswww.cwru.edu/~chet/

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