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 save custom variable programmatically? Date: Tue, 10 Nov 2020 21:42:19 +0100 Message-ID: <87wnytoses.fsf@mbork.pl> References: <87blg5e9re.fsf@web.de> <87o8k5b7oq.fsf@web.de> Mime-Version: 1.0 Content-Type: text/plain Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="18153"; mail-complaints-to="usenet@ciao.gmane.io" User-Agent: mu4e 1.1.0; emacs 27.0.50 Cc: Michael Heerdegen , help-gnu-emacs@gnu.org To: Jean Louis Original-X-From: help-gnu-emacs-bounces+geh-help-gnu-emacs=m.gmane-mx.org@gnu.org Tue Nov 10 21:43:59 2020 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 1kcaUf-0004a5-Rn for geh-help-gnu-emacs@m.gmane-mx.org; Tue, 10 Nov 2020 21:43:57 +0100 Original-Received: from localhost ([::1]:37118 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1kcaUe-0007dO-T6 for geh-help-gnu-emacs@m.gmane-mx.org; Tue, 10 Nov 2020 15:43:56 -0500 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]:40962) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1kcaTV-0007cz-J4 for help-gnu-emacs@gnu.org; Tue, 10 Nov 2020 15:42:47 -0500 Original-Received: from mail.mojserwer.eu ([195.110.48.8]:51736) by eggs.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1kcaTQ-00015q-4l for help-gnu-emacs@gnu.org; Tue, 10 Nov 2020 15:42:45 -0500 Original-Received: from localhost (localhost [127.0.0.1]) by mail.mojserwer.eu (Postfix) with ESMTP id 2F18DE6D68; Tue, 10 Nov 2020 21:42:30 +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 Dbcw6CICtMLX; Tue, 10 Nov 2020 21:42:23 +0100 (CET) Original-Received: from localhost (178235147019.dynamic-3-poz-k-0-1-0.vectranet.pl [178.235.147.19]) by mail.mojserwer.eu (Postfix) with ESMTPSA id 44F6DE6256; Tue, 10 Nov 2020 21:42:23 +0100 (CET) In-reply-to: Received-SPF: pass client-ip=195.110.48.8; envelope-from=mbork@mbork.pl; helo=mail.mojserwer.eu X-detected-operating-system: by eggs.gnu.org: First seen = 2020/11/10 15:42:30 X-ACL-Warn: Detected OS = Linux 3.11 and newer [fuzzy] 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:125211 Archived-At: On 2020-11-10, at 20:19, Jean Louis wrote: > * Michael Heerdegen [2020-11-10 17:36]: >> Jean Louis writes: >> >> > If there is anyway of storing data from Emacs that is standard I do >> > not know about it. Welcoming tips. >> >> The eieio-persistent class is made for that purpose. >> >> You make your data/database/whatever an object of a class you define as >> you like, and make that class inherit from eieio-persistent. Then your >> data is savable out of the box. >> >> (info "(eieio) eieio-persistent") >> >> Do you need an example? > > Thank you. If you have ready simplest example it may be useful for > review. > > My strategy is to minimize number of packages used as dependencies so > I try to use what is built in or to re-use what is inside of Emacs. You might get inspired by an old post of mine here: http://mbork.pl/2018-09-10_Persisting_Emacs_variables Best, -- Marcin Borkowski http://mbork.pl