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Re: "break" inside a while-condition


From: Chet Ramey
Subject: Re: "break" inside a while-condition
Date: Tue, 11 Sep 2012 18:43:46 -0400
User-agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.6; rv:14.0) Gecko/20120713 Thunderbird/14.0

On 9/11/12 10:40 AM, Philippe Wang wrote:

> Bash Version: 4.2
> Patch Level: 0
> Release Status: release
> 
> Description:
>   "break" keyword inside a while-condition doesn't work as expected : it 
> breaks the wrong loop.
> 
> 
> Repeat-By:
>   # 1) should raise a parsing error  (but it doesn't)
>   while break ; true ; do true ; done 
> 
>   # 2) should break the outer loop  (but it doesn't)
>   while true ; do while break ; do whatever-because-never-reached ; done ; 
> echo fail ; done

No.  Bash implements both of these correctly.

-- 
``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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