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: How to setup default program to launch directory? Date: Sun, 17 Oct 2021 11:59:34 +0200 Message-ID: <87v91w7z09.fsf@zoho.eu> References: <87tuhkv4qo.fsf@web.de> <87zgr87zc0.fsf@zoho.eu> 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="3283"; mail-complaints-to="usenet@ciao.gmane.io" User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/29.0.50 (gnu/linux) To: help-gnu-emacs@gnu.org Cancel-Lock: sha1:0Wxa/5y/WOj4jL54OH8LGzTJDmk= Original-X-From: help-gnu-emacs-bounces+geh-help-gnu-emacs=m.gmane-mx.org@gnu.org Sun Oct 17 12:01:24 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 1mc2yp-0000hN-Hr for geh-help-gnu-emacs@m.gmane-mx.org; Sun, 17 Oct 2021 12:01:23 +0200 Original-Received: from localhost ([::1]:58928 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1mc2yo-0002rI-Gn for geh-help-gnu-emacs@m.gmane-mx.org; Sun, 17 Oct 2021 06:01:22 -0400 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]:45428) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1mc2xC-0002pY-S0 for help-gnu-emacs@gnu.org; Sun, 17 Oct 2021 05:59:44 -0400 Original-Received: from ciao.gmane.io ([116.202.254.214]:57908) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1mc2xA-0000by-Hi for help-gnu-emacs@gnu.org; Sun, 17 Oct 2021 05:59:41 -0400 Original-Received: from list by ciao.gmane.io with local (Exim 4.92) (envelope-from ) id 1mc2x9-00094E-6Z for help-gnu-emacs@gnu.org; Sun, 17 Oct 2021 11:59:39 +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:133826 Archived-At: You can get the files of a directory like this. Then sort by extension and have an association list get you a program for that extension ... Maybe? (require 'seq) (defun dir-common-files (&optional dir) "Get a list of all files in the working directory." (let*((all-files (directory-files (or dir default-directory))) (files (seq-difference all-files '("." ".."))) ) files) ) ;; (dir-common-files) -- underground experts united https://dataswamp.org/~incal