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Re: Visiting buffers programmatically


From: pillule
Subject: Re: Visiting buffers programmatically
Date: Fri, 11 Jun 2021 01:31:57 +0200

Tim Johnson <tim@akwebsoft.com> writes:

> GNU Emacs 27.2 (build 1, x86_64-pc-linux-gnu, GTK+ Version 3.24.20, cairo 
> version 1.16.0)
>  of 2021-06-04 ubuntu 20.04
>
> I would like to write three simple elisp routines that would each visit one 
> of:
> *scratch*, *messages* and *shell*
>
> For *messages* I would only be reading or copying text.
> For *scratch* and *shell* I would be modifying those buffers.
>
> which elisp function is best for each of
> these buffers?
>
> Would it be switch-to-buffer, display-buffer, set-buffer or something else.?
> Thanks

Do you need to see the window displaying the buffer ?

If not you can use 'set-buffer' or the macro 'with-current-buffer' that call it.

The others options are meant to display a buffer and not for batch processing.

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