From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: Xiang Ruan Newsgroups: gmane.emacs.help Subject: ask for help Date: Tue, 19 Apr 2022 20:14:14 +0900 Message-ID: <871qxtco1o.fsf@ruanxiang.net> Mime-Version: 1.0 Content-Type: text/plain Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="4109"; mail-complaints-to="usenet@ciao.gmane.io" User-Agent: mu4e 1.7.12; emacs 29.0.50 To: help-gnu-emacs@gnu.org Original-X-From: help-gnu-emacs-bounces+geh-help-gnu-emacs=m.gmane-mx.org@gnu.org Tue Apr 19 13:27:22 2022 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 1ngm0v-0000rU-GE for geh-help-gnu-emacs@m.gmane-mx.org; Tue, 19 Apr 2022 13:27:21 +0200 Original-Received: from localhost ([::1]:59724 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1ngm0u-00028V-9c for geh-help-gnu-emacs@m.gmane-mx.org; Tue, 19 Apr 2022 07:27:20 -0400 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]:35686) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1nglze-00028E-QI for help-gnu-emacs@gnu.org; Tue, 19 Apr 2022 07:26:02 -0400 Original-Received: from mail-pj1-x1029.google.com ([2607:f8b0:4864:20::1029]:35769) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1nglzd-0004kQ-3G for help-gnu-emacs@gnu.org; Tue, 19 Apr 2022 07:26:02 -0400 Original-Received: by mail-pj1-x1029.google.com with SMTP id i24-20020a17090adc1800b001cd5529465aso1555097pjv.0 for ; Tue, 19 Apr 2022 04:25:59 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ruanxiang.net; s=google; h=user-agent:from:to:subject:date:message-id:mime-version; bh=i07mL1p06/8UNKN2DQVaUa9m6yd1HtHjK6W0La8jHSA=; b=RSwquimDPDUq0410phAfi5D0hSBfnHaEuzgfE725xUhkyPT+BAREaHvhEOEyK4NCjj nkxFQ8nWm4GMj2xwkWLh0/SOZDZeAZT2M8oNVPVHgDdwIM0WiG3Z5oLlT0/ZPyug0/GE 4tiGmVp4n9mVjeTkkjooUi/Bw32nOGPemKmOuqCLwxvOqDdvOQwGi5pl0ffG2St0fwBf AeC9cPgMVEbhQGDi9VrSkW3cyLKItngW38kHtIa4akBSRG6QSGc3wREc3GEZSlsMSNQG kHckDUusVY9bNOqFxZ1SFkWOruTZ/BecSGcz2429bv4JVmxsHD2jIRbvmZy5AmDQCceF jL4w== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:user-agent:from:to:subject:date:message-id :mime-version; bh=i07mL1p06/8UNKN2DQVaUa9m6yd1HtHjK6W0La8jHSA=; b=6QyeLMiP3KbYvHZO9QHXa68MWbWVDLTzi7YY4eLWYeYsOl1lVdZCupH4/rlsUldJA1 udKYBQyESAfbaigjs9Z+g17cexOMfHYur//Vy8UnvkZeRk14rIEWruTaCJ1Nr9fbnbAr PNZlGTVGlM1V0NBDptw8goVXj5A4gxHa7ylTcaMGXLOGaSk0VpAM7M8JiTWrhHJIa1K2 KxBEi8aTCA87SG0M/NvuzcE3ZMkgOQwxPJ8bg3pVXQ1zPiHuPEQokHv7v2gCBPCTEgug /oGdj1jSfulJjZpAeIEnWYkWpHB/Hj/tnFkiHGpiHz2i5Qh5zyRH5+hgCWjSNxm3tSnE k+ZA== X-Gm-Message-State: AOAM5308GlQjZeJlhBXOK1oI33xiEOB3H5JNw0cKJggztaVrIpdEJMEs JfzCp92bORKXeCQRPDS9pHOc5zu37ZY7VQ== X-Google-Smtp-Source: ABdhPJyoMKOxNjzktcVMgYIn2lgFaa9oCXGWL1hYwNWsZ3pTtvCV9O8AoAQBZ5mJINUacLCRGd7npA== X-Received: by 2002:a17:902:8b8a:b0:158:fbd0:45ab with SMTP id ay10-20020a1709028b8a00b00158fbd045abmr9232639plb.110.1650367557679; Tue, 19 Apr 2022 04:25:57 -0700 (PDT) Original-Received: from localhost ([240b:253:c4a0:9000:8f4b:5d74:cf9e:76c1]) by smtp.gmail.com with ESMTPSA id c16-20020a631c50000000b003a39244fe8esm11732162pgm.68.2022.04.19.04.25.56 for (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 19 Apr 2022 04:25:57 -0700 (PDT) Received-SPF: pass client-ip=2607:f8b0:4864:20::1029; envelope-from=ruanxiang@ruanxiang.net; helo=mail-pj1-x1029.google.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, T_SCC_BODY_TEXT_LINE=-0.01 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: help-gnu-emacs@gnu.org X-Mailman-Version: 2.1.29 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:136955 Archived-At: Hi, I am not familiar with emacs-lisp programming, I just wonder if this list could give me some advice on how to implement the below functionality. Suppose I invoke a commend "a" in a buffer, then the buffer may have a name with "a". I want to keep watching a specific file on my system, let's say, a file of "/data/b". When /data/b changes, I want emacs to automatically update or re-invoke "a" again in the same buffer "a" without catch my focus when I am working on other buffers. My question is, is it possible to implement it? If it is possible, can anybody suggest me a simple example ? Thank you in advance. Best regards,