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Re: Setting IFS='*' causes bash to freeze on tab completion


From: Chet Ramey
Subject: Re: Setting IFS='*' causes bash to freeze on tab completion
Date: Sat, 2 Jul 2016 10:37:54 -0400
User-agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.11; rv:45.0) Gecko/20100101 Thunderbird/45.1.1

On 7/2/16 3:16 AM, Ibrahim M. Ghazal wrote:
> Thanks for the pointer. I reported it there (
> https://github.com/scop/bash-completion/issues/52 ).
> 
> After further investigation, the problem seems to be that when IFS is
> set to '*', case *) doesn't get executed. Is this the intended
> behavior?
> 
> For example:
> 
> IFS='*'; case "foo" in *) echo "got here";; esac
> 
> doesn't print "got here".

Yep, that's a bug.  Thanks for the report and reproducer.  The problem is
that the `*' ends up being matched literally instead of as a matching
character.  This will be fixed in the next release of bash.

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/



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