Re: Failed exec resets job control state

[Chet Ramey]

On 2/15/19 7:32 PM, Grisha Levit wrote:
> An `exec` that can't execute the supplied command seems to cause the
> status of job control to become reset to the default state:
> 
>    $ bash -O execfail -mc 'echo $-; exec xxx; echo $-'
>    hmBc
>    bash: line 0: exec: xxx: not found
>    hBc
> 
>    $ set +m; echo $-
>    hiBHs
>    $ exec xxx
>    bash: exec: xxx: not found
>    $ echo $-
>    himBHs

Thanks for the report. It's an unusual set of circumstances where one
turns off job control in an interactive shell.

-- 
``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/