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Re: Bash's declare -p HISTIGNORE brings bash to a halt! Why?
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From: |
Chet Ramey |
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Subject: |
Re: Bash's declare -p HISTIGNORE brings bash to a halt! Why? |
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Date: |
Sat, 11 Jan 2014 20:55:02 -0500 |
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User-agent: |
Mozilla/5.0 (Macintosh; Intel Mac OS X 10.9; rv:24.0) Gecko/20100101 Thunderbird/24.2.0 |
On 1/11/14, 8:48 PM, Tim Friske wrote:
> Hi Chet,
>
> apparently bash does not recognize the ":" colon characters in POSIX
> character classes when assigned to the "HISTIGNORE" variable.
>
> I tried to set the "HISTIGNORE" variable directly from within a
> non-login, interactive session. But still I cannot convince bash's
> history with the following definitions:
>
> 1.) HISTIGNORE="+([[:word:]])"
This actually works fine for me, as long as extglob is set.
> 2.) HISTIGNORE="+([^[:space:]])"
As does this.
--
``The lyf so short, the craft so long to lerne.'' - Chaucer
``Ars longa, vita brevis'' - Hippocrates
Chet Ramey, ITS, CWRU chet@case.edu http://cnswww.cns.cwru.edu/~chet/