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: Tramp and `dired-listing-switches' Date: Mon, 18 Dec 2023 04:44:35 +0100 Message-ID: <871qbk18f0.fsf@dataswamp.org> References: <8734we5aom.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="1148"; mail-complaints-to="usenet@ciao.gmane.io" User-Agent: Gnus/5.13 (Gnus v5.13) To: emacs-devel@gnu.org Cancel-Lock: sha1:bl2IlgAhGVMSd921uShYTZ+ix8g= Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane-mx.org@gnu.org Mon Dec 18 18:25:39 2023 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 1rFHN5-000Aag-BP for ged-emacs-devel@m.gmane-mx.org; Mon, 18 Dec 2023 18:25:39 +0100 Original-Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1rFHM2-0007VG-Cx; Mon, 18 Dec 2023 12:24:34 -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 1rF4Yj-0000Nq-EF for emacs-devel@gnu.org; Sun, 17 Dec 2023 22:44:50 -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 1rF4Yf-00069f-Hv for emacs-devel@gnu.org; Sun, 17 Dec 2023 22:44:48 -0500 Original-Received: from list by ciao.gmane.io with local (Exim 4.92) (envelope-from ) id 1rF4Yd-0000EK-M6 for emacs-devel@gnu.org; Mon, 18 Dec 2023 04:44:43 +0100 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=0.25, 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: Mon, 18 Dec 2023 12:24:31 -0500 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:313981 Archived-At: > Cycling the sets works, but I don't know if that method is > the cleanest way to do it. It uses a lexical let-closure and > `setf', `cdr' and `last' to make it circular [...] > > (setq dired-listing-switches > "-AGlX --group-directories-first -I \"*.meta\" -I \"#*#\" -I \"*.elc\"") > > (let*((dired-ls-opts (list dired-listing-switches "-Al")) > (_ (setf (cdr (last dired-ls-opts)) dired-ls-opts)) ) > (defun dired-ls-opts-cycle () > (interactive) > (setq dired-listing-switches (pop dired-ls-opts)) ) > (declare-function dired-ls-opts-cycle nil) > (defalias 'lc #'dired-ls-opts-cycle) ) I had a feeling there was a better way to do the cycling part. Here it is, much cleaner than the method above. (let*((clist '#1=(1 2 3 4 5 6 . #1#))) (defun next () (pop clist) )) ;; (next) -- underground experts united https://dataswamp.org/~incal