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Re: [Help-bash] Why should [[ reset BASH_COMMAND in trap?
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From: |
Chet Ramey |
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Subject: |
Re: [Help-bash] Why should [[ reset BASH_COMMAND in trap? |
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Date: |
Wed, 5 Dec 2018 09:10:11 -0500 |
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User-agent: |
Mozilla/5.0 (Macintosh; Intel Mac OS X 10.14; rv:52.0) Gecko/20100101 Thunderbird/52.9.1 |
On 12/5/18 1:51 AM, Peng Yu wrote:
> Hi,
>
> See the code below. [[ set BASH_COMMAND to [[ itself. But according to
> the manual, should BASH_COMMAND remain as the command that causes the
> trap (i.e., "(exit 3)", in this case). Do I misunderstand anything in
> the manual or this is a bug of Bash?
Thanks for the report. The conditional and arithmetic commands should not
be resetting BASH_COMMAND.
Chet
--
``The lyf so short, the craft so long to lerne.'' - Chaucer
``Ars longa, vita brevis'' - Hippocrates
Chet Ramey, UTech, CWRU address@hidden http://tiswww.cwru.edu/~chet/