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: Better way to make sure external command exists in the system? Date: Sun, 21 Mar 2021 18:16:49 +0100 Message-ID: <87y2ego29q.fsf@zoho.eu> References: Reply-To: Emanuel Berg 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="32111"; 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:srNoVPlbhGTOi5m9avpLfcfA4sc= Original-X-From: help-gnu-emacs-bounces+geh-help-gnu-emacs=m.gmane-mx.org@gnu.org Sun Mar 21 18:17:53 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 1lO1i4-0008Ff-IE for geh-help-gnu-emacs@m.gmane-mx.org; Sun, 21 Mar 2021 18:17:52 +0100 Original-Received: from localhost ([::1]:37552 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1lO1i3-0006gs-Gq for geh-help-gnu-emacs@m.gmane-mx.org; Sun, 21 Mar 2021 13:17:51 -0400 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]:55760) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1lO1hD-0006gI-2a for help-gnu-emacs@gnu.org; Sun, 21 Mar 2021 13:16:59 -0400 Original-Received: from ciao.gmane.io ([116.202.254.214]:50354) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1lO1hB-0004ky-D1 for help-gnu-emacs@gnu.org; Sun, 21 Mar 2021 13:16:58 -0400 Original-Received: from list by ciao.gmane.io with local (Exim 4.92) (envelope-from ) id 1lO1h8-000741-Rw for help-gnu-emacs@gnu.org; Sun, 21 Mar 2021 18:16:54 +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: -15 X-Spam_score: -1.6 X-Spam_bar: - X-Spam_report: (-1.6 / 5.0 requ) BAYES_00=-1.9, HEADER_FROM_DIFFERENT_DOMAINS=0.25, 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:128479 Archived-At: Jean Louis wrote: > I would not like later invoking functions that don't work. > But I do the checks in the functions. Sometimes majority of > functions belong in the same domain that uses > external commands. > > (defun rcd-which-list (command-list) > "Verifies that list of shell commands COMMAND-LIST exist in > user's $PATH" > (let ((all-exist t)) > (dolist (command command-list all-exist) > (unless (executable-find command) > (setq all-exist nil) > (rcd-warning-message "Shell command `%s' does not exist" command))))) > > [and much more Elisp] I'll read it, if you fix all this first... byte compiler: geh.el: In image-resize-dired: geh.el:324:32: Warning: reference to free variable ‘*image-default-resize-size*’ In rcd-warning-message: geh.el:340:22: Warning: reference to free variable ‘rcd-warning-message-sound-file’ In end of data: geh.el:342:1: Warning: the following functions are not known to be defined: shell-double-quote, dired-get-marked-files checkdoc: [see lines 52-62 here https://dataswamp.org/~incal/emacs-init/ide/elisp.el] geh.el:281: First line is not a complete sentence geh.el:290: First sentence should end with punctuation geh.el:290: Argument ‘file’ should appear (as FILE) in the doc string geh.el:301: First sentence should end with punctuation geh.el:309: First sentence should end with punctuation geh.el:309: Argument ‘file’ should appear (as FILE) in the doc string geh.el:321: First sentence should end with punctuation geh.el:330: First sentence should end with punctuation geh.el:330: Argument ‘file’ should appear (as FILE) in the doc string geh.el:338: First line is not a complete sentence geh.el:338: Argument ‘format-string’ should appear (as FORMAT-STRING) in the doc string -- underground experts united http://user.it.uu.se/~embe8573 https://dataswamp.org/~incal