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Re: segfault evaluating [[ $@ ]] when IFS is \t or \n and $1 == $IFS
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From: |
Chet Ramey |
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Subject: |
Re: segfault evaluating [[ $@ ]] when IFS is \t or \n and $1 == $IFS |
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Date: |
Fri, 7 Apr 2017 19:01:07 -0400 |
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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)
>
> : ${x-$@}
> [[ $@ ]]
> : ${x-${A[@]}}
> [[ ${A[@]} ]]
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 chet@case.edu http://cnswww.cns.cwru.edu/~chet/