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.devel Subject: Re: dired, toggle ls flags? [elisp] Date: Sun, 28 Apr 2024 09:05:56 +0200 Message-ID: <875xw2arvv.fsf@dataswamp.org> References: <87cyqab06f.fsf@dataswamp.org> Mime-Version: 1.0 Content-Type: text/plain Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="18021"; mail-complaints-to="usenet@ciao.gmane.io" User-Agent: Gnus/5.13 (Gnus v5.13) To: emacs-devel@gnu.org Cancel-Lock: sha1:33pnFqdg3YaQdyPMzJl1bbv5ihc= Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane-mx.org@gnu.org Sun Apr 28 09:25:38 2024 Return-path: Envelope-to: ged-emacs-devel@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 1s0yuo-0004Sn-Mv for ged-emacs-devel@m.gmane-mx.org; Sun, 28 Apr 2024 09:25:38 +0200 Original-Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1s0yuU-0004Uv-2U; Sun, 28 Apr 2024 03:25:18 -0400 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 1s0yc0-0005UY-10 for emacs-devel@gnu.org; Sun, 28 Apr 2024 03:06:12 -0400 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 1s0ybx-0006Hf-Bt for emacs-devel@gnu.org; Sun, 28 Apr 2024 03:06:11 -0400 Original-Received: from list by ciao.gmane.io with local (Exim 4.92) (envelope-from ) id 1s0ybu-00019G-Bf for emacs-devel@gnu.org; Sun, 28 Apr 2024 09:06:06 +0200 X-Injected-Via-Gmane: http://gmane.org/ Mail-Followup-To: emacs-devel@gnu.org Mail-Copies-To: never Received-SPF: pass client-ip=116.202.254.214; envelope-from=ged-emacs-devel@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-Mailman-Approved-At: Sun, 28 Apr 2024 03:25:15 -0400 X-BeenThere: emacs-devel@gnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: "Emacs development discussions." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: emacs-devel-bounces+ged-emacs-devel=m.gmane-mx.org@gnu.org Original-Sender: emacs-devel-bounces+ged-emacs-devel=m.gmane-mx.org@gnu.org Xref: news.gmane.io gmane.emacs.devel:318242 Archived-At: > (defun dired-ls-toggle (opt) > (let ((opt-re (format "\\(^\\|[[:blank:]]\\)%s\\([[:blank:]]\\|\\b\\)" opt))) > (if (string-match-p opt-re dired-listing-switches) > (setq dired-listing-switches > (replace-regexp-in-string opt-re " " dired-listing-switches) ) > (setq dired-listing-switches (format "%s %s" dired-listing-switches opt))) > (setq dired-listing-switches (string-clean-whitespace dired-listing-switches)) > (dired-sort-other dired-listing-switches) )) I realized the lispy way of doing it, one should first make a list from the string, then add or remove from that list, then make a new string from the list. -- underground experts united https://dataswamp.org/~incal