From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: Jean Louis Newsgroups: gmane.emacs.help Subject: Re: Better way to make sure external command exists in the system? Date: Thu, 25 Mar 2021 23:56:39 +0300 Message-ID: References: <87y2ego29q.fsf@zoho.eu> <87o8faxkfd.fsf@zoho.eu> <877dlvp9al.fsf@zoho.eu> <87lfabm04s.fsf@zoho.eu> 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="21903"; mail-complaints-to="usenet@ciao.gmane.io" User-Agent: Mutt/2.0.6 (2021-03-06) To: help-gnu-emacs@gnu.org Original-X-From: help-gnu-emacs-bounces+geh-help-gnu-emacs=m.gmane-mx.org@gnu.org Thu Mar 25 21:59:22 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 1lPX4b-0005c6-RT for geh-help-gnu-emacs@m.gmane-mx.org; Thu, 25 Mar 2021 21:59:21 +0100 Original-Received: from localhost ([::1]:45344 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1lPX4a-00054I-T7 for geh-help-gnu-emacs@m.gmane-mx.org; Thu, 25 Mar 2021 16:59:20 -0400 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]:37018) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1lPX4A-00052z-Pl for help-gnu-emacs@gnu.org; Thu, 25 Mar 2021 16:58:54 -0400 Original-Received: from stw1.rcdrun.com ([217.170.207.13]:51797) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1lPX48-0006i8-KO for help-gnu-emacs@gnu.org; Thu, 25 Mar 2021 16:58:54 -0400 Original-Received: from localhost ([::ffff:41.210.143.10]) (AUTH: PLAIN securesender, TLS: TLS1.3,256bits,ECDHE_RSA_AES_256_GCM_SHA384) by stw1.rcdrun.com with ESMTPSA id 000000000001E079.00000000605CF989.00000FC2; Thu, 25 Mar 2021 13:58:49 -0700 Mail-Followup-To: help-gnu-emacs@gnu.org Content-Disposition: inline In-Reply-To: <87lfabm04s.fsf@zoho.eu> Received-SPF: pass client-ip=217.170.207.13; envelope-from=bugs@gnu.support; helo=stw1.rcdrun.com X-Spam_score_int: -18 X-Spam_score: -1.9 X-Spam_bar: - X-Spam_report: (-1.9 / 5.0 requ) BAYES_00=-1.9, SPF_HELO_PASS=-0.001, SPF_PASS=-0.001 autolearn=ham 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:128583 Archived-At: * Emanuel Berg via Users list for the GNU Emacs text editor [2021-03-25 23:49]: > Use a set function > > (cl-map 'list #'number-to-string '(1 2 3)) ; ("1" "2" "3") But why use Emacs Lisp CL library and complexer Common Lisp style when it works this way simpler: (mapcar #'number-to-string '(1 2 3)) → ("1" "2" "3") Any reason? Then if I am to use some function defined in Emacs Lisp, then I would rather use this one, instead of `cl-map', as it is simpler, it will recognize the sequence. (seq-map #'number-to-string '(1 2 3)) → ("1" "2" "3")