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: Re: Appending lists Date: Sat, 19 Jun 2021 01:38:12 +0200 Message-ID: <87zgvm3frv.fsf@zoho.eu> References: <20210617074843.GD16310@tuxteam.de> 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="10487"; 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:ZDaPMbU/vC5U0HlmmXMlhfEv2Xc= Original-X-From: help-gnu-emacs-bounces+geh-help-gnu-emacs=m.gmane-mx.org@gnu.org Sat Jun 19 01:51:16 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 1luOGZ-0002Yr-Rt for geh-help-gnu-emacs@m.gmane-mx.org; Sat, 19 Jun 2021 01:51:15 +0200 Original-Received: from localhost ([::1]:41240 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1luOGY-00042I-Q5 for geh-help-gnu-emacs@m.gmane-mx.org; Fri, 18 Jun 2021 19:51:14 -0400 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]:38248) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1luO47-0004Sq-IC for help-gnu-emacs@gnu.org; Fri, 18 Jun 2021 19:38:25 -0400 Original-Received: from ciao.gmane.io ([116.202.254.214]:54696) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1luO45-0000yG-JE for help-gnu-emacs@gnu.org; Fri, 18 Jun 2021 19:38:22 -0400 Original-Received: from list by ciao.gmane.io with local (Exim 4.92) (envelope-from ) id 1luO43-0007de-HM for help-gnu-emacs@gnu.org; Sat, 19 Jun 2021 01:38:19 +0200 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:130998 Archived-At: tomas wrote: > (setq lst '(a b c d dacapo)) > => (a b c d dacapo) > > (cddddr lst) > => (dacapo) ;;; OK, it's the last one. > > (setcdr (cddddr lst) lst)) ;;; make circular list [1] > => (a b c d dacapo a b c d dacapo a . #5) ;;; uh, whatever (see below [2]) > > lst > => (a b c d dacapo a b c d dacapo a . #5) ;;; (see below [2]) > > (setq otherlst (copy-tree lst)) ;;; TIGHTEN YOUR GOGGLES! > => ... ;;; [3] > > As I said above: you (most probably) can get your Emacs back > with C-g. Ha ha, how do you come up with these things? -- underground experts united https://dataswamp.org/~incal