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

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Message #100 received at 49822 <at> debbugs.gnu.org (full text, mbox):

From: Michael Albinus <michael.albinus <at> gmx.de>
To: Andreas Schwab <schwab <at> linux-m68k.org>
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: Re: bug#49822: master e32c7d2: Change Python eval to send directly
 instead of using temporary files
Date: Mon, 06 Sep 2021 13:23:05 +0200

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.

> Andreas.

Best regards, Michael.

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