Re: PIPESTATUS differs from $? for compound command

[Chet Ramey]

On 12/11/24 2:44 AM, Ulrich Müller wrote:

> > Yes, you can make the case that compound commands are pipelines, and,
> > according to the grammar, they are, but their status is always available
> > in $?, and they never have more than one status value.
>
> In other words, this was a design choice?

Yes.

> One problem is that error-checking by testing PIPESTATUS for all-zero
> doesn't work after a construct like this (and similar for "case"):

If using PIPESTATUS doesn't work for your use case, use $? instead.

--
``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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