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Re: Namespace problem with pipe into a braced group
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From: |
Chet Ramey |
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Subject: |
Re: Namespace problem with pipe into a braced group |
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Date: |
Tue, 23 Feb 2010 21:40:47 -0500 |
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User-agent: |
Mozilla/5.0 (Macintosh; U; Intel Mac OS X 10.6; en-US; rv:1.9.1.7) Gecko/20100111 Lightning/1.0b1 Thunderbird/3.0.1 |
On 2/23/10 4:23 AM, tobi@icada.com wrote:
> Description:
> I would have expected the output to be 2 in both cases. My mistake or
> yours? :-)
>
> Repeat-By:
> a=1; echo foo;{ a=2; }; echo $a # output: 2
> a=1; echo foo|{ a=2; }; echo $a # output: 1
Yours. Please read the Bash FAQ, question E4.
--
``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/