From: Philip Kaludercic <philipk@posteo.net>
To: help-gnu-emacs@gnu.org
Subject: Re: message, can't find basic stuff [Elisp]
Date: Sat, 20 Feb 2021 10:23:44 +0100 [thread overview]
Message-ID: <87im6n6qjj.fsf@posteo.net> (raw)
In-Reply-To: <875z2nmtiq.fsf@zoho.eu> (Emanuel Berg via Users list for the's message of "Sat, 20 Feb 2021 02:12:45 +0100")
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Emanuel Berg via Users list for the GNU Emacs text editor
<help-gnu-emacs@gnu.org> writes:
> I just answered a question on gmane.emacs.gnus.general but had
> to write a lot more code than I thought.
>
> Is there really no - argh, just read the code, the questions
> are in the comments :)
>
> (require 'message)
>
> ;; is there really no function like this already?
> (defun message-set-header (hdr val)
> (interactive "sheader: \nsvalue: ")
> ;; check here if there _is_ such a header - how?
> ;; also a must-have, super-simple building-block from the holster
> ;; but can't find it either
Perhaps message-fetch-field? It returns the value or nil if not found.
> (message-position-on-field hdr)
> (message-beginning-of-line)
> (delete-region (point) (point-at-eol))
> (insert val) )
> ;; test:
> ;; (message-set-header "Subject" "Lara loves YOU")
All I know of is message-add-header, but pass it an entire line, not a
header-value pair.
--
Philip K.
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next prev parent reply other threads:[~2021-02-20 9:23 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-02-20 1:12 message, can't find basic stuff [Elisp] Emanuel Berg via Users list for the GNU Emacs text editor
2021-02-20 9:23 ` Philip Kaludercic [this message]
2021-02-20 18:44 ` Emanuel Berg via Users list for the GNU Emacs text editor
2021-02-20 19:04 ` Emanuel Berg via Users list for the GNU Emacs text editor
2021-02-21 4:50 ` Emanuel Berg via Users list for the GNU Emacs text editor
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