From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: Emanuel Berg via Users list for the GNU Emacs text editor Newsgroups: gmane.emacs.help Subject: message, can't find basic stuff [Elisp] Date: Sat, 20 Feb 2021 02:12:45 +0100 Message-ID: <875z2nmtiq.fsf@zoho.eu> Reply-To: Emanuel Berg Mime-Version: 1.0 Content-Type: text/plain Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="950"; mail-complaints-to="usenet@ciao.gmane.io" User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/28.0.50 (gnu/linux) To: help-gnu-emacs@gnu.org Cancel-Lock: sha1:JxKxD+i9xqkyBIuDqGMdjxRSoJc= Original-X-From: help-gnu-emacs-bounces+geh-help-gnu-emacs=m.gmane-mx.org@gnu.org Sat Feb 20 02:15:31 2021 Return-path: Envelope-to: geh-help-gnu-emacs@m.gmane-mx.org Original-Received: from lists.gnu.org ([209.51.188.17]) by ciao.gmane.io with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1lDGrr-00005v-2P for geh-help-gnu-emacs@m.gmane-mx.org; Sat, 20 Feb 2021 02:15:31 +0100 Original-Received: from localhost ([::1]:45948 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1lDGrq-0003k6-4t for geh-help-gnu-emacs@m.gmane-mx.org; Fri, 19 Feb 2021 20:15:30 -0500 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]:53292) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1lDGrU-0003jU-00 for help-gnu-emacs@gnu.org; Fri, 19 Feb 2021 20:15:08 -0500 Original-Received: from ciao.gmane.io ([116.202.254.214]:37740) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1lDGrS-0008KY-Dx for help-gnu-emacs@gnu.org; Fri, 19 Feb 2021 20:15:07 -0500 Original-Received: from list by ciao.gmane.io with local (Exim 4.92) (envelope-from ) id 1lDGrO-0009z3-8V for help-gnu-emacs@gnu.org; Sat, 20 Feb 2021 02:15:02 +0100 X-Injected-Via-Gmane: http://gmane.org/ Mail-Followup-To: help-gnu-emacs@gnu.org Mail-Copies-To: never Received-SPF: pass client-ip=116.202.254.214; envelope-from=geh-help-gnu-emacs@m.gmane-mx.org; helo=ciao.gmane.io X-Spam_score_int: -16 X-Spam_score: -1.7 X-Spam_bar: - X-Spam_report: (-1.7 / 5.0 requ) BAYES_00=-1.9, HEADER_FROM_DIFFERENT_DOMAINS=0.249, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=no autolearn_force=no X-Spam_action: no action X-BeenThere: help-gnu-emacs@gnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Users list for the GNU Emacs text editor List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: help-gnu-emacs-bounces+geh-help-gnu-emacs=m.gmane-mx.org@gnu.org Original-Sender: "help-gnu-emacs" Xref: news.gmane.io gmane.emacs.help:128133 Archived-At: 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 (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") (defun message-transpose-headers (hdr1 hdr2) (interactive "sheader 1: \nsheader 2: ") (let ((v1 (message-field-value hdr1)) (v2 (message-field-value hdr2))) (message-set-header hdr1 v2) (message-set-header hdr2 v1) )) ;; test: ;; (message-transpose-headers "To" "Subject") https://dataswamp.org/~incal/emacs-init/gnus/message-incal.el -- underground experts united http://user.it.uu.se/~embe8573 https://dataswamp.org/~incal