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Re: Feature request: save/restore BASH_REMATCH across debug hook calls
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From: |
Chet Ramey |
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Subject: |
Re: Feature request: save/restore BASH_REMATCH across debug hook calls |
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Date: |
Wed, 16 Oct 2019 15:14:41 -0400 |
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User-agent: |
Mozilla/5.0 (Macintosh; Intel Mac OS X 10.14; rv:60.0) Gecko/20100101 Thunderbird/60.9.0 |
On 10/16/19 1:34 PM, Rocky Bernstein wrote:
> Current in bash 5.0 and earlier, the value of BASH_REMATCH might chanted
> inside a debug hook.
>
> Since BASH_REMATCH is read-only, resetting the value on hook return to the
> debugged program is a bit tricky and fragile...
How about we just make it not read-only? The shell will still set it when
it does regexp matching.
--
``The lyf so short, the craft so long to lerne.'' - Chaucer
``Ars longa, vita brevis'' - Hippocrates
Chet Ramey, UTech, CWRU chet@case.edu http://tiswww.cwru.edu/~chet/