From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: Marcin Borkowski Newsgroups: gmane.emacs.help Subject: Re: How to get the directory of a package? Date: Wed, 03 Feb 2021 05:55:05 +0100 Message-ID: <87r1lx7nti.fsf@mbork.pl> References: <87sg6d7o1n.fsf@mbork.pl> Mime-Version: 1.0 Content-Type: text/plain Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="30435"; mail-complaints-to="usenet@ciao.gmane.io" User-Agent: mu4e 1.1.0; emacs 28.0.50 To: Help Gnu Emacs mailing list Original-X-From: help-gnu-emacs-bounces+geh-help-gnu-emacs=m.gmane-mx.org@gnu.org Wed Feb 03 05:56:17 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 1l7ADB-0007qp-PY for geh-help-gnu-emacs@m.gmane-mx.org; Wed, 03 Feb 2021 05:56:17 +0100 Original-Received: from localhost ([::1]:33960 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1l7ADA-000879-Ra for geh-help-gnu-emacs@m.gmane-mx.org; Tue, 02 Feb 2021 23:56:16 -0500 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]:37206) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1l7ACB-00085X-Oc for help-gnu-emacs@gnu.org; Tue, 02 Feb 2021 23:55:15 -0500 Original-Received: from mail.mojserwer.eu ([195.110.48.8]:57086) by eggs.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1l7ACA-0006Y5-6q for help-gnu-emacs@gnu.org; Tue, 02 Feb 2021 23:55:15 -0500 Original-Received: from localhost (localhost [127.0.0.1]) by mail.mojserwer.eu (Postfix) with ESMTP id A398CE6CC6 for ; Wed, 3 Feb 2021 05:55:12 +0100 (CET) X-Virus-Scanned: Debian amavisd-new at mail.mojserwer.eu Original-Received: from mail.mojserwer.eu ([127.0.0.1]) by localhost (mail.mojserwer.eu [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id yIOyu0KtQOqc for ; Wed, 3 Feb 2021 05:55:09 +0100 (CET) Original-Received: from localhost (178235147162.dynamic-3-poz-k-0-1-0.vectranet.pl [178.235.147.162]) by mail.mojserwer.eu (Postfix) with ESMTPSA id CD97AE63AA for ; Wed, 3 Feb 2021 05:55:08 +0100 (CET) In-reply-to: <87sg6d7o1n.fsf@mbork.pl> Received-SPF: pass client-ip=195.110.48.8; envelope-from=mbork@mbork.pl; helo=mail.mojserwer.eu X-Spam_score_int: -25 X-Spam_score: -2.6 X-Spam_bar: -- X-Spam_report: (-2.6 / 5.0 requ) BAYES_00=-1.9, RCVD_IN_DNSWL_LOW=-0.7, RCVD_IN_MSPIKE_H3=0.001, RCVD_IN_MSPIKE_WL=0.001, SPF_HELO_NONE=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:127575 Archived-At: OK, > assume that I'm writing a package which wants to use a file from the > same directory the .el (or .elc) file of the package is located in. How > can the package know where in the filesystem it is located? > > Bonus points for a method which works not only with `require', but also > with `load-file' and `eval-buffer' (in the last case, > `default-directory' will probably work, but I skimmed through all > variables and functions matching `directory$' and nothing seemed to be > what I'm looking for). so I think I've found the answer. Is this correct? Are there possibly some edge cases I didn't think about? --8<---------------cut here---------------start------------->8--- (if load-file-name (file-name-directory load-file-name) default-directory) --8<---------------cut here---------------end--------------->8--- TIA, -- Marcin Borkowski http://mbork.pl