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Re: [PATCH v3 1/1] exec: run final pipeline command in a subshell in sh mode



On Sat, Mar 27, 2021, at 3:34 PM, Lawrence Velázquez wrote:
> On Sun, Jan 3, 2021, at 7:22 PM, brian m. carlson wrote:
> > zsh typically runs the final command in a pipeline in the main shell
> > instead of a subshell.  However, POSIX specifies that all commands in a
> > pipeline run in a subshell, but permits zsh's behavior as an extension.
> > The default /bin/sh implementations on various Linux distros and the
> > BSDs always use a subshell for all components of a pipeline.
> > 
> > Since zsh may be used as /bin/sh in some cases (such as macOS Catalina),
> > it makes sense to have the common sh behavior when emulating sh, so do
> > that by checking for being the final item of a multi-item pipeline and
> > creating a subshell in that case.
> 
> ping for review

Ping: 2.0 You Can (Not) Review

vq




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