Re: [sr #111047] Value of BASHPID changes when inside a here-document

[Chet Ramey]

On 4/4/24 9:05 PM, Lawrence Velázquez wrote:
> Reproducing my comment [1] for the list:
>
>
> > On Apr 4, 2024, at 5:57 PM, Richard Waite <INVALID.NOREPLY@gnu.org> wrote:
> >
> > Does variable expansion for here-documents occur in a subshell?
>
> Sometimes.  When a command requires forking (roughly speaking), its
> redirections (not just here-documents) are processed after the fork
> as an optimization.

Not just as an optimization: that's how the Bourne shell did it, so bash
has always done it that way for compatibility.

--
``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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