From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: Emanuel Berg Newsgroups: gmane.emacs.help Subject: Re: delete all whitespace (space) in a region Date: Thu, 09 Nov 2023 03:43:16 +0100 Message-ID: <87v8abir3v.fsf@dataswamp.org> References: <878r78jfms.fsf@mat.ucm.es> <874jhwhx9i.fsf@ledu-giraud.fr> <87zfzn4qa2.fsf@gmail.com> Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 8bit Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="35278"; mail-complaints-to="usenet@ciao.gmane.io" User-Agent: Gnus/5.13 (Gnus v5.13) To: help-gnu-emacs@gnu.org Cancel-Lock: sha1:bmgdpDib4BTcyBICYZ5wJrTskLc= Original-X-From: help-gnu-emacs-bounces+geh-help-gnu-emacs=m.gmane-mx.org@gnu.org Sat Nov 11 01:20:43 2023 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 1r1bju-0008xw-Le for geh-help-gnu-emacs@m.gmane-mx.org; Sat, 11 Nov 2023 01:20:42 +0100 Original-Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1r1bjK-0001RB-9a; Fri, 10 Nov 2023 19:20:06 -0500 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1r0v0y-0004uY-9U for help-gnu-emacs@gnu.org; Wed, 08 Nov 2023 21:43:28 -0500 Original-Received: from ciao.gmane.io ([116.202.254.214]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1r0v0v-0004Gc-TS for help-gnu-emacs@gnu.org; Wed, 08 Nov 2023 21:43:28 -0500 Original-Received: from list by ciao.gmane.io with local (Exim 4.92) (envelope-from ) id 1r0v0t-0000zj-Pd for help-gnu-emacs@gnu.org; Thu, 09 Nov 2023 03:43:23 +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=0.25, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, T_SCC_BODY_TEXT_LINE=-0.01 autolearn=no autolearn_force=no X-Spam_action: no action X-Mailman-Approved-At: Fri, 10 Nov 2023 19:20:00 -0500 X-BeenThere: help-gnu-emacs@gnu.org X-Mailman-Version: 2.1.29 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-bounces+geh-help-gnu-emacs=m.gmane-mx.org@gnu.org Xref: news.gmane.io gmane.emacs.help:145478 Archived-At: tpeplt wrote: > Emacs 28 added the function ‘replace-string-in-region’. > > (defun my-delete-all-whitespace-region (beg end) > (interactive "r") > (save-excursion > (replace-string-in-region " " "" beg end))) (defun delete-all-whitespace (&optional beg end) (interactive (when (use-region-p) (list (region-beginning) (region-end)) )) (or beg (setq beg (point-min))) (or end (setq end (point-max))) (save-mark-and-excursion (replace-string-in-region " " "" beg end) )) A pretty fancy interface to a one-liner function with hardcoded data :) -- underground experts united https://dataswamp.org/~incal