GNU bug report logs - #49822
28.0.50; python-shell-send functions show no output

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From: Andreas Schwab <schwab <at> linux-m68k.org>
To: Michael Albinus <michael.albinus <at> gmx.de>
Cc: 49822 <at> debbugs.gnu.org, Augusto Stoffel <arstoffel <at> gmail.com>, Stefan Monnier <monnier <at> iro.umontreal.ca>, emacs-devel <at> gnu.org
Subject: bug#49822: master e32c7d2: Change Python eval to send directly instead of using temporary files
Date: Mon, 06 Sep 2021 13:53:52 +0200

On Sep 06 2021, Michael Albinus wrote:

> Andreas Schwab <schwab <at> linux-m68k.org> writes:
>
>>>> Okay, so is the TTY line length limit of the OS available in Lisp
>>>> somewhere?  Otherwise, can we at least trust that 1024 is the universal
>>>> lower bound?
>>>
>>> On systems with a POSIX shell:
>>>
>>> (let ((default-directory "/"))
>>>   (read (shell-command-to-string "getconf LINE_MAX")))
>>
>> LINE_MAX has nothing to do with the tty line discipline.
>
> I'll never learn it :-(
>
> We've discussed this issue some years ago already. IIRC, the outcome was
> to use "getconf PIPE_BUF /" instead.

Neither has PIPE_BUF.

Andreas.

-- 
Andreas Schwab, schwab <at> linux-m68k.org
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