From: Eli Zaretskii <eliz@gnu.org>
To: help-gnu-emacs@gnu.org
Subject: Re: Maybe we can improve this function call-process-to-string?
Date: Thu, 08 Apr 2021 16:39:36 +0300 [thread overview]
Message-ID: <831rbkao9z.fsf@gnu.org> (raw)
In-Reply-To: <YG7urrw7N03SFNZj@protected.localdomain> (message from Jean Louis on Thu, 8 Apr 2021 14:53:18 +0300)
> Date: Thu, 8 Apr 2021 14:53:18 +0300
> From: Jean Louis <bugs@gnu.support>
> Cc: help-gnu-emacs@gnu.org
>
> > In general, one should avoid strings in Emacs Lisp, because buffer
> > memory is handled much more efficiently than string memory.
>
> I understand the concept, not at all how to practically run a system
> command and receive it as a string.
Why do you need a string? The string is a means to an end, right?
What is that end?
> > buffer-substring?
>
> Because none of `buffer-substring' nor `buffer-string' can specify the
> buffer name then I have to switch temporarily to other buffer, get
> string with `buffer-string' and return back. I was thinking there is
> some function doing that straight, like (buffer-string BUFFER), but I
> don't find such.
I suggest to look up with-current-buffer and with-temp-buffer.
next prev parent reply other threads:[~2021-04-08 13:39 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-04-08 7:40 Maybe we can improve this function call-process-to-string? Jean Louis
2021-04-08 7:55 ` Eli Zaretskii
2021-04-08 11:53 ` Jean Louis
2021-04-08 13:39 ` Eli Zaretskii [this message]
2021-04-08 15:56 ` Jean Louis
2021-04-08 16:25 ` Eli Zaretskii
2021-04-08 18:17 ` Jean Louis
2021-04-08 18:36 ` Eli Zaretskii
2021-04-08 18:44 ` Jean Louis
2021-04-08 17:18 ` Arthur Miller
2021-04-08 18:32 ` Jean Louis
2021-04-08 19:41 ` Arthur Miller
2021-04-09 8:52 ` Jean Louis
2021-04-09 10:07 ` tomas
2021-04-08 13:08 ` Michael Albinus
2021-04-08 15:50 ` Jean Louis
2021-04-08 17:49 ` Stefan Monnier
2021-04-08 18:33 ` Jean Louis
2021-04-08 18:40 ` Jean Louis
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