From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: Jim Porter Newsgroups: gmane.emacs.bugs Subject: bug#59612: Incorrect behavior also with ${CONDITION} Date: Sat, 26 Nov 2022 10:28:20 -0800 Message-ID: <860fa3d1-f8e5-68db-b82b-55a6991d10fc@gmail.com> References: Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="22419"; mail-complaints-to="usenet@ciao.gmane.io" To: Milan Zimmermann , 59612@debbugs.gnu.org Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane-mx.org@gnu.org Sat Nov 26 19:29:25 2022 Return-path: Envelope-to: geb-bug-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 1oyzvY-0005cJ-Ej for geb-bug-gnu-emacs@m.gmane-mx.org; Sat, 26 Nov 2022 19:29:24 +0100 Original-Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1oyzvE-0006yz-7v; Sat, 26 Nov 2022 13:29:04 -0500 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1oyzvC-0006yk-Ol for bug-gnu-emacs@gnu.org; Sat, 26 Nov 2022 13:29:02 -0500 Original-Received: from debbugs.gnu.org ([209.51.188.43]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1oyzvC-0005k5-9T for bug-gnu-emacs@gnu.org; Sat, 26 Nov 2022 13:29:02 -0500 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.84_2) (envelope-from ) id 1oyzvC-0003UF-60 for bug-gnu-emacs@gnu.org; Sat, 26 Nov 2022 13:29:02 -0500 X-Loop: help-debbugs@gnu.org Resent-From: Jim Porter Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Sat, 26 Nov 2022 18:29:02 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 59612 X-GNU-PR-Package: emacs Original-Received: via spool by 59612-submit@debbugs.gnu.org id=B59612.166948730813394 (code B ref 59612); Sat, 26 Nov 2022 18:29:02 +0000 Original-Received: (at 59612) by debbugs.gnu.org; 26 Nov 2022 18:28:28 +0000 Original-Received: from localhost ([127.0.0.1]:41407 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1oyzue-0003Ty-KP for submit@debbugs.gnu.org; Sat, 26 Nov 2022 13:28:28 -0500 Original-Received: from mail-pj1-f45.google.com ([209.85.216.45]:52019) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1oyzud-0003Ts-Lb for 59612@debbugs.gnu.org; Sat, 26 Nov 2022 13:28:28 -0500 Original-Received: by mail-pj1-f45.google.com with SMTP id ci10so6096827pjb.1 for <59612@debbugs.gnu.org>; Sat, 26 Nov 2022 10:28:27 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; h=content-transfer-encoding:in-reply-to:from:references:to :content-language:subject:mime-version:date:message-id:from:to:cc :subject:date:message-id:reply-to; bh=1AcupHjt1jZr3B6T8TMkI9q173dO8OXaNYa8aQXbQ54=; b=m+3m4YwmSXYMUrplrwiH48/2Bx7Usa15fYiASP2vzYrJuZJmVjjTFCB4otrxiW07mh r7Y7AFjzxH9xKXjTCK1Q+Sa8zZ2B4whsfiLtMz6Nzxxxr5UiZLAVlBXqeRj0BbNuIAFk /CyHz8TtOpxxPPUtCCNl8MvcrFZEnVwXZkSq/2t0CXfjdsvIaNeQmE2MZUbkrt1wDxn8 Vsw3gKzpb2KMxZCd52N0XLi0O3/IGd1MZL8KKO2rd7xM++FwWMqOi5bBkZJaK+kDAb6T NjTui44voXIPu7P+UJ0uQza5hv4AiZBKTYxO1IYjQPw5NOZNI1ZVlI2TMtShJX0gUGtY ZfDw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=content-transfer-encoding:in-reply-to:from:references:to :content-language:subject:mime-version:date:message-id :x-gm-message-state:from:to:cc:subject:date:message-id:reply-to; bh=1AcupHjt1jZr3B6T8TMkI9q173dO8OXaNYa8aQXbQ54=; b=0GRm8cDVndy3/JjSMzUhmr8WyclEhnBL6uBZ3NdC6m1g4QAkxOY2CwfwXQ7wccDe4l frZiNCfJfEUP/0DRQ5Mo8IgxQui8YFcDg0EdXxGLgyT1cx69II7n7KTSqOICtZvOWUYF XfIpMfH/TZcmrZ3TVEkoa3jO0o3gA++Bsb1ktuh0WPFnjvgYkwzEqbwHbJ5Iuy3eO4RM IdaY3rPa2qn2sk7+rEWk360v2TmsFZG4BT6dErvNpDs3o3+F8kbWrcll4H/R5pmXrut5 71dVue5ncfOhn7N136LxTD96RzNZf/TXajZtf/tBdLWLu5buGxnWhs9LNIgTKQlEIO05 Abow== X-Gm-Message-State: ANoB5pmmPSzgdEuME83IYfu2X+oZD0uKx1odUQzcG10uompg1VbGPYmI YiqhQ7CHKVG3gb3LkXSUk8Q= X-Google-Smtp-Source: AA0mqf6VcU8EZmm3JQelt8HJGQAEYMqWJUTms4I5Ju0g1Q61oju5R9GDCNSya+YqZaLcD++KwNkkuA== X-Received: by 2002:a17:90a:b285:b0:216:ab1b:98d0 with SMTP id c5-20020a17090ab28500b00216ab1b98d0mr52514808pjr.67.1669487301681; Sat, 26 Nov 2022 10:28:21 -0800 (PST) Original-Received: from [192.168.1.2] (cpe-76-168-148-233.socal.res.rr.com. [76.168.148.233]) by smtp.googlemail.com with ESMTPSA id u14-20020a170902714e00b0017da2798025sm5568397plm.295.2022.11.26.10.28.20 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Sat, 26 Nov 2022 10:28:21 -0800 (PST) Content-Language: en-US In-Reply-To: X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list X-BeenThere: bug-gnu-emacs@gnu.org List-Id: "Bug reports for GNU Emacs, the Swiss army knife of text editors" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane-mx.org@gnu.org Original-Sender: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane-mx.org@gnu.org Xref: news.gmane.io gmane.emacs.bugs:249124 Archived-At: On 11/26/2022 8:19 AM, Milan Zimmermann wrote: > I should add that I realized using {CONDITION} alone is not a reasonable > thing in my examples, as it uses exist status. > > In a real code, one would use  ${CONDITION}. The modified script is > attached below #####. However, the behavior is still not as expected: In this case, they should actually be the same thing. When the command in question is a Lisp function, a nil result sets the exit status to 2. This doesn't hold for external commands though; the output and the exit status are independent of one another. In that case, you'd want to spell it like so: if {[ 2 -eq 2 ]} { echo "good" } So in conclusion, I think it's better to prefer {CONDITION} for 'if' forms.