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Re: segfault evaluating [[ $@ ]] when IFS is \t or \n and $1 == $IFS


From: Chet Ramey
Subject: Re: segfault evaluating [[ $@ ]] when IFS is \t or \n and $1 == $IFS
Date: Fri, 7 Apr 2017 19:01:07 -0400
User-agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.12; rv:52.0) Gecko/20100101 Thunderbird/52.0

On 4/4/17 7:54 PM, Grisha Levit wrote:
> Given:
> 
> set -- $'\t'; IFS=$1 A=$1   # or set -- $'\n'
> 
> These all segfault (in different places with -DDEBUG)
> 
> : address@hidden
> [[ $@ ]]
> : address@hidden
> [[ address@hidden ]]

Thanks for the report.  This was a little bit tricker to fix than I thought
it would be.

-- 
``The lyf so short, the craft so long to lerne.'' - Chaucer
                 ``Ars longa, vita brevis'' - Hippocrates
Chet Ramey, UTech, CWRU    address@hidden    http://cnswww.cns.cwru.edu/~chet/



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