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Re: What is $[ ] ?
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From: |
Chet Ramey |
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Subject: |
Re: What is $[ ] ? |
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Date: |
Tue, 23 Mar 2010 09:11:34 -0400 |
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On 3/23/10 6:41 AM, Marc Herbert wrote:
> Hi,
>
>
> I could not find the dollar square brackets $[ ] expansion documented
> in the manual. Is it the same as $(( )) ?
It's the deprecated version of $((...)), dating from Posix.2 draft 9
circa 1989 or so.
Chet
--
``The lyf so short, the craft so long to lerne.'' - Chaucer
``Ars longa, vita brevis'' - Hippocrates
Chet Ramey, ITS, CWRU chet@case.edu http://cnswww.cns.cwru.edu/~chet/
What is $[ ] ?, Marc Herbert, 2010/03/23