GNU bug report logs - #21605
24.3; Eshell not using stderr

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Message #14 received at 21605 <at> debbugs.gnu.org (full text, mbox):

From: Lars Ingebrigtsen <larsi <at> gnus.org>
To: Jim Porter <jporterbugs <at> gmail.com>
Cc: 21605 <at> debbugs.gnu.org, Nikolas De Giorgis <bznein <at> gmail.com>
Subject: Re: bug#21605: 24.3; Eshell not using stderr
Date: Fri, 13 May 2022 14:38:23 +0200

Jim Porter <jporterbugs <at> gmail.com> writes:

> I think this is just a missing feature, partly due to the fact that
> the redirection operators don't let you redirect a specific fd. That's
> in the "Bugs and Ideas" section of the Eshell manual though:
>
>   Support ‘2>&1’ and ‘>&’ and ‘2>’ and ‘|&’
>
>     The syntax table for parsing these should be customizable, such that
>     the user could change it to use rc syntax: ‘>[2=1]’.
>
> Doing that is probably the hardest part. The other bit that would need
> to be fixed is (I think) to modify `eshell-gather-process-output' to
> use `make-process' instead of `start-file-process', and then give it a
> :stderr argument so that Emacs doesn't write both stdout and stderr to
> a single temp buffer.

I see; thanks.

> I agree that this would definitely be nice to have though.

Yup.

-- 
(domestic pets only, the antidote for overdose, milk.)
   bloggy blog: http://lars.ingebrigtsen.no

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