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Re: feature request: more complete set -e
From: |
Chet Ramey |
Subject: |
Re: feature request: more complete set -e |
Date: |
Tue, 30 Jun 2009 18:20:41 -0400 |
User-agent: |
Thunderbird 2.0.0.22 (Macintosh/20090605) |
Marc Weber wrote:
> Chet:
>> To do otherwise would have made expr much less useful. Idioms such as
>>
>> var=10
>> while var=`expr $var - 1`
>> do
>> echo $var
>> done
>
> Mmh I'd use the C like for loop for this which is supported by bash as well.
>
A relatively recent addition to the language. The while loop idiom has
been around since the original Bourne shell.
Chet
--
``The lyf so short, the craft so long to lerne.'' - Chaucer
Chet Ramey, ITS, CWRU chet@case.edu http://cnswww.cns.cwru.edu/~chet/
- feature request: more complete set -e, Marc Weber, 2009/06/22
- Re: feature request: more complete set -e, Chet Ramey, 2009/06/23
- Re: feature request: more complete set -e, Marc Weber, 2009/06/24
- Re: feature request: more complete set -e, Chet Ramey, 2009/06/25
- Re: feature request: more complete set -e, Marc Weber, 2009/06/28
- Re: feature request: more complete set -e, Greg Wooledge, 2009/06/29
- Re: feature request: more complete set -e, Chet Ramey, 2009/06/29
- Re: feature request: more complete set -e, Bob Proulx, 2009/06/29
- Re: feature request: more complete set -e, Marc Weber, 2009/06/30
- Re: feature request: more complete set -e, Greg Wooledge, 2009/06/30
- Re: feature request: more complete set -e,
Chet Ramey <=