From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: Pankaj Jangid Newsgroups: gmane.emacs.devel Subject: Re: How to execute code after start-process completion? Date: Sat, 26 Sep 2020 22:15:47 +0530 Organization: Code Is Great Foundation Message-ID: References: <83k0wgr53p.fsf@gnu.org> Mime-Version: 1.0 Content-Type: text/plain Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="34956"; mail-complaints-to="usenet@ciao.gmane.io" User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/27.1.50 (darwin) Cc: Pankaj Jangid , emacs-devel@gnu.org To: Eli Zaretskii Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane-mx.org@gnu.org Sat Sep 26 18:47:59 2020 Return-path: Envelope-to: ged-emacs-devel@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 1kMDMc-0008yF-VS for ged-emacs-devel@m.gmane-mx.org; Sat, 26 Sep 2020 18:47:58 +0200 Original-Received: from localhost ([::1]:55634 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1kMDMc-0002B4-1r for ged-emacs-devel@m.gmane-mx.org; Sat, 26 Sep 2020 12:47:58 -0400 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]:50842) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1kMDKg-00017G-4J for emacs-devel@gnu.org; Sat, 26 Sep 2020 12:46:00 -0400 Original-Received: from mail-pf1-x434.google.com ([2607:f8b0:4864:20::434]:44771) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1kMDKe-00025y-Hl for emacs-devel@gnu.org; Sat, 26 Sep 2020 12:45:57 -0400 Original-Received: by mail-pf1-x434.google.com with SMTP id o20so5810834pfp.11 for ; Sat, 26 Sep 2020 09:45:52 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=codeisgreat-org.20150623.gappssmtp.com; s=20150623; h=from:to:cc:subject:organization:references:mail-followup-to:date :in-reply-to:message-id:user-agent:mime-version; bh=0v7QGWoTIwAG99fNjXqMbCVZw0TAfcQEPUoPyb3iTK4=; b=Kp6LU4SMY+ez+pSrXOIECnvARzdQrPMEli06x+ARkwOdSU6mkG0BwtraTQ/b9bRNFB x/pDNS/pbX/jmjsKnXpLZWxQ7CHpILVdYhbYu2oF8gcXfF02tcVg3GVX3UhSiajOAWMx FbLfmzxAU314wR8XzErkOriYzpM4Zyrriuk+DRJLbYnocmvbGGpyOQkS/pgZVFWtvhC/ YYGtRu311r/faAOX7+SzCbH4dUMMHWWYNop66SVjOF491HzgsbtPCa+Lew/1t2iWILUV MvDgLzYVdmWQnNzLb+2e2ZGzpdLc+qONBnr7LhnXbWkHJhThUFe2GQ9I6wcRStEKaLmP O4yg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:organization:references :mail-followup-to:date:in-reply-to:message-id:user-agent :mime-version; bh=0v7QGWoTIwAG99fNjXqMbCVZw0TAfcQEPUoPyb3iTK4=; b=OGrcdRuPid9eKiQca8gGLXhgX+gQKYzTj46iXJL1jleUedKD3bdb/qz4Grxt0mW9c2 kiG+922sJ9/g2k4X9WjHaWFlTY4Td9hl2uroWllFV5xBqgYOlQTNa1G4ZZUFSQrSC5Qs u1C/c9YiCDtmS4aBFNphUrhvRzUDWIEVYpXlI7zR9ShO74Q2RL9lXdKDxNSpcQxuz4Jk fQVyuzGRyxKkwhrouKakyQ8HIkh+y46dnku6/u9wsXkAvGJmaqYB3evwfHOZn/KFSk36 JWtqL/jW7bGzfnyRbBr8SK2vVYFhIca+ii+l6o/o9WUPFFaRGSLFSBnSNusZD+rxa+UK /Xpw== X-Gm-Message-State: AOAM530xV8F1S5iVlgbZZ3onQBylvBuA4dZ72LxTIalQanTUmn9KKhc/ VM7mF5NkcRFr379EWiBmmsseKkCcmUklmA== X-Google-Smtp-Source: ABdhPJxGJeyIkEAlyYvvUmORUWOh3++iOSs05GoUGT8UWbbO3FShnaUE6hhj/4diNZfXZgDcyN/7JA== X-Received: by 2002:a62:be0a:0:b029:142:2501:35de with SMTP id l10-20020a62be0a0000b0290142250135demr4349270pff.62.1601138751573; Sat, 26 Sep 2020 09:45:51 -0700 (PDT) Original-Received: from BigBook.local ([2405:201:5c06:7085:a072:3199:d175:bd7c]) by smtp.gmail.com with ESMTPSA id q4sm6189033pfs.193.2020.09.26.09.45.49 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sat, 26 Sep 2020 09:45:51 -0700 (PDT) X-Face: #1mZPTdyZkzei|Hk$MhE?f(3T[Uxh9MW'Ewn610"\p9Q@7LjiO{4>uH&z3p'6Y?_, h)GQ'Y A; .i)[28BKd`Ton]]cOd|#isdz)&E!jRx@DX8N/*63[|x&JqwC,AmukEFVvt&AA*2H..Z'wxqs([H> kbp(Q/\fTwAm% !C}\xG0DS7(DaXPynsU3VED[SbY_:*`C`U'@; vp[YQ6I\#>E/slE#fLI4ap(^kSLS\*/ ]XNNMD6#b9KK\|:=(=DFek9%)L-ZTg3n#$0B Mail-Followup-To: Eli Zaretskii , Pankaj Jangid , emacs-devel@gnu.org In-Reply-To: <83k0wgr53p.fsf@gnu.org> (Eli Zaretskii's message of "Sat, 26 Sep 2020 17:21:30 +0300") Received-SPF: none client-ip=2607:f8b0:4864:20::434; envelope-from=pankaj.jangid@codeisgreat.com; helo=mail-pf1-x434.google.com X-detected-operating-system: by eggs.gnu.org: No matching host in p0f cache. That's all we know. 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, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, HEADER_FROM_DIFFERENT_DOMAINS=0.249, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_NONE=0.001 autolearn=no autolearn_force=no X-Spam_action: no action X-BeenThere: emacs-devel@gnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: "Emacs development discussions." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: emacs-devel-bounces+ged-emacs-devel=m.gmane-mx.org@gnu.org Original-Sender: "Emacs-devel" Xref: news.gmane.io gmane.emacs.devel:256481 Archived-At: On Sat, Sep 26 2020, Eli Zaretskii wrote: >> After completion of the process (`notmuch new`), I want to execute some >> code. As you can see above, I want to put the timestamp in the *Notmuch* >> buffer. I know that `start-process` returns the process object. But I >> couldn't find how to use it. Please share any pointers/code-snippet on >> how to use that object accomplish what I want to do? Or may be there is >> a different way to do the task. Please advise. > > The usual way of doing that is to set up a process-sentinel function. > It will be called when the process finishes. Thanks. I am done. Here is my snippet. #+BEGIN_SRC emacs-lisp (defun my/timestamp-me (process event) "Record EVENT in the PROCESS buffer." (print (format "%s %s at %s" process event (current-time-string)) (process-buffer process))) (defun my/notmuch-new () "Execute 'notmuch new' command and logs in buffer *Notmuch*." (set-process-sentinel (start-process "notmuch" "*Notmuch*" "notmuch" "new") 'my/timestamp-me)) #+END_SRC