Re: Return from function depending on number of parameters

From	Chet Ramey <chet.ramey@case.edu>
Newsgroups	gnu.bash.bug
Subject	Re: Return from function depending on number of parameters
Date	2020-07-05 13:24 -0400
Organization	ITS, Case Western Reserve University
Message-ID	<mailman.1023.1593969892.2574.bug-bash@gnu.org> (permalink)
References	<b1c19d38-64c0-f1ae-d08a-1ada435a0022@gmail.com> <506AA493-0D79-4A9A-A53E-279FDA72CED5@larryv.me> <0b8f32e5-0644-526e-59a4-1bad5a474262@passchier.net> <ACF6AB75-5321-42EC-805E-D84048F539C9@larryv.me> <d4a5db68-0594-e540-c931-593469e73ce2@case.edu>

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On 7/4/20 12:23 PM, Lawrence Velázquez wrote:

> Quoting Chet liberally from
> https://lists.gnu.org/archive/html/bug-bash/2012-04/msg00034.html:

>>
>> It dates from Posix circa 1990 (1003.2d9, of which I've lost my paper
>> copy).  I implemented it after the Berkeley guys, mostly Marc
>> Teitelbaum, put it into Posix.  It ended up getting dropped in favor
>> of the ksh $((...)) expansion, at which point everyone deprecated the
>> old $[...].  I removed it from the manual sometime later, but it still
>> works as it always has.

This all remains true. I probably won't remove it, but nobody should use it
in new code.


-- 
``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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Re: Return from function depending on number of parameters Chet Ramey <chet.ramey@case.edu> - 2020-07-05 13:24 -0400

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