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Re: Wanted: bash enhancement... non-blocking 'wait'
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From: |
Chet Ramey |
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Subject: |
Re: Wanted: bash enhancement... non-blocking 'wait' |
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Date: |
Fri, 03 Sep 2010 18:03:34 -0400 |
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User-agent: |
Mozilla/5.0 (Macintosh; U; Intel Mac OS X 10.6; en-US; rv:1.9.2.8) Gecko/20100802 Lightning/1.0b2 Thunderbird/3.1.2 |
On 9/2/10 6:44 PM, Philip Prindeville wrote:
> I wanted to check in and see if there was a chance of this feature being
> accepted upstream before I spent any time on it... so here goes.
>
> The "wait [n]" command is handy, but would be even handier is:
>
> wait [[-a] n]
>
> instead, which asynchronously checks to see if process 'n' has completed.
I think `kill -0 n' is an acceptable solution.
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/