Re: [PATCH] preserve $_ value across prompt expansions

[Chet Ramey]

On 12/12/23 3:55 PM, Grisha Levit wrote:
> Since expanding a prompt string that contains a funsub will modify the
> value of $_, would it make sense to restore the value of $_ after the
> expansion is complete, as we do when executing PROMPT_COMMAND?

If we're worried about this as a side effect, why not preserve $_ around
calls to function_substitute()? Or are the prompt string expansions the
only reasonable use case?

--
``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/

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