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From: Emanuel Berg via Users list for the GNU Emacs text editor <help-gnu-emacs@gnu.org>
To: help-gnu-emacs@gnu.org
Subject: Re: message, can't find basic stuff [Elisp]
Date: Sat, 20 Feb 2021 20:04:49 +0100	[thread overview]
Message-ID: <87blce7e7i.fsf@zoho.eu> (raw)
In-Reply-To: 87zgzy7f65.fsf@zoho.eu

Better versions:

(defun message-set-header (hdr val)
  (interactive "sheader: \nsvalue: ")
  (message-position-on-field hdr)
  (message-beginning-of-header nil)
  (delete-region (point) (point-at-eol))
  (insert val) )
;; test:
;; (message-set-header "Subject" "Lara loves YOU")

(defun message-transpose-headers (hdr1 hdr2)
  (interactive "sheader 1: \nsheader 2: ")
  (save-excursion
    (let ((v1 (or (message-field-value hdr1) ""))
          (v2 (or (message-field-value hdr2) "")) )
      (message-set-header hdr1 v2)
      (message-set-header hdr2 v1) )))
;; test:
;; (message-transpose-headers "To" "Subject")

-- 
underground experts united
http://user.it.uu.se/~embe8573
https://dataswamp.org/~incal




  reply	other threads:[~2021-02-20 19:04 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
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 [this message]
2021-02-21  4:50       ` Emanuel Berg via Users list for the GNU Emacs text editor

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