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Re: What is $[ ] ?


From: Chet Ramey
Subject: Re: What is $[ ] ?
Date: Tue, 23 Mar 2010 09:11:34 -0400
User-agent: Mozilla/5.0 (Macintosh; U; Intel Mac OS X 10.5; en-US; rv:1.9.1.8) Gecko/20100227 Thunderbird/3.0.3

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    address@hidden    http://cnswww.cns.cwru.edu/~chet/




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