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Re: [bash4.2] ${v//[/} bug?


From: Chet Ramey
Subject: Re: [bash4.2] ${v//[/} bug?
Date: Sat, 19 Feb 2011 00:02:46 -0500
User-agent: Mozilla/5.0 (Macintosh; U; Intel Mac OS X 10.6; en-US; rv:1.9.2.13) Gecko/20101207 Lightning/1.0b2 Thunderbird/3.1.7

On 2/15/11 10:16 PM, Clark J. Wang wrote:
> On Wed, Feb 16, 2011 at 9:59 AM, Chet Ramey <address@hidden
> <mailto:address@hidden>> wrote:
> 
>     On 2/15/11 6:18 AM, Clark J. Wang wrote:
>     > For following script:
>     >
>     > var='[hello'
>     > echo "${var//[/}"
>     >
>     > With bash 4.1 it outputs hello but with 4.2 it outputs [hello . And
>     bash 4.2
>     > with compat41 on still outputs [hello . Bug? Or Bug fixed?
> 
>     It's a bug, and I will release a patch.  In the meantime, see if the
>     attached patch does the right thing on your platform.
> 
> The patch fixed this simple example but it does not work for more
> complicated scenario:

Yes, it was a quick fix for the immediate problem.  Please try the
attached patch for a more complete solution.

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/

Attachment: patmatch.patch
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