Re: export loses error

[Chet Ramey]

On 2/14/21 4:03 AM, Stephane Chazelas wrote:
> 2021-02-09 10:23:51 -0500, Chet Ramey:
> [...]
> > It's the assignment statement that's the oddball here; it's the only place
> > where the exit status from a command substitution has any effect. This is a
> > POSIX (maybe ksh) invention to provide assignment statements with a useful
> > exit status.
> [...]
>
> It was already like that in the Bourne shell, the shell that
> introduced command substitution in the late 70s.

It appears so, albeit undocumented.

--
``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/