From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.4 (2020-01-24) on inbox.vuxu.org X-Spam-Level: X-Spam-Status: No, score=-3.2 required=5.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_EF,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI, RCVD_IN_DNSWL_MED,T_SCC_BODY_TEXT_LINE autolearn=ham autolearn_force=no version=3.4.4 Received: from zero.zsh.org (zero.zsh.org [IPv6:2a02:898:31:0:48:4558:7a:7368]) by inbox.vuxu.org (Postfix) with ESMTP id 76FA822017 for ; Sat, 23 Mar 2024 23:20:53 +0100 (CET) ARC-Seal: i=1; cv=none; a=rsa-sha256; d=zsh.org; s=rsa-20210803; t=1711232453; b=TzVLmWFXEJceudTNE8/+3UNF4b2wiDiSb3hQ9R9HfVJHktDuP0bgAq7+k/RMsw20f0K27tevl9 YjgsPVspasKiiF6Cot8t9vayF7ZwuTpDY5kqHoNQLa3PG8M8i6205RKqhBWu0drINXpcFzI6fv 2kHlZKv3Efeigz9Wxc3uZSf0/rL32uLsD895FG58ZFSq8sT7jzFZyoPCzoaKz9hZUxDzP/4Yv4 T2vCRHMJG6HIk5MY0QkKuWjyW4oHGw6WkgtM/v2FOb/3QfOVV2UBUSAKa2OqMWDfgkH997DLfG b7oXcSnWfQggWFRoqZv1gJjH88W/fuVhkL5Gjf60qP7UHQ==; ARC-Authentication-Results: i=1; zsh.org; iprev=pass (joooj.vinc17.net) smtp.remote-ip=155.133.131.76; dmarc=none header.from=vinc17.net; arc=none ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed; d=zsh.org; s=rsa-20210803; t=1711232453; bh=1tERzDFtnZQCawm050FOYO1Suu/pxuVTyuNYMoi2sGs=; h=List-Archive:List-Owner:List-Post:List-Unsubscribe:List-Subscribe:List-Help: List-Id:Sender:In-Reply-To:Content-Transfer-Encoding:Content-Type: MIME-Version:References:Message-ID:Subject:To:From:Date:DKIM-Signature; b=TyA2GSQlu8YKVRqt+mmL5OPuJxvU8IOKiwUjrr7wCeZbBwViuisI8hgp6MXFVcNXze97iP03I/ ONmB0dkA6EhW4YZmkLq6LRTSBfEjDUveV2uRwrL62CyHw6ROii7ZUaz8dOZf0QrDjLkOylsYxy 4JF6sgYloaBVZBwsmE5bk6QvYEFIzytR8xm1laXyPb1r6nIWyRYZ94AvLSTRLpwVM6J7MThhGs +EYetCuFR0HCFIOTWtTcFdSS1Ji3fE8nLqWwpuOlGszpqsmjRuewglmwZVDFymbMo9AoOoWvPH 3kKKGz650tOYYviOyUFzSmt89cBdpWcqX8kb8pBpupYg1Q==; DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=zsh.org; s=rsa-20210803; h=List-Archive:List-Owner:List-Post:List-Unsubscribe: List-Subscribe:List-Help:List-Id:Sender:In-Reply-To:Content-Transfer-Encoding :Content-Type:MIME-Version:References:Message-ID:Subject:To:From:Date: Reply-To:Cc:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID; bh=QGDsiGWbwdDDP9iedmDSFN4MFH6BQb+AghCTHGRBboQ=; b=qghlo2fIfQf+ktFoe10go5rT84 2wQfngT8LJmSr4IYtJMUw+tb44cqJzejFrGP6osqeQadO0L4I2hIPkMEmvH0o4FMjX/3dEWJS4ts+ w+Lq6JP5eDHqN/pSPyPzSATZ1PnU0VHAS/Bg+cEgIY8m/Fq1mo5Y8NiG904j5U4EESiXMhICQm1L3 UgEenvl2Y3ZwDslO2ixnJ1tmA26gVLPvYBqNOfeyhnOKS9UT4TPKjYhxNMS9HbK4sb/rosyF6mHJl HwMYFmb08D4A57to2g8eAiI+nm+S5ZvcYzDJeHhqcDX8ISDoxZDegOHysMN4mo9x1z36J+HEIcGIf C54gkDPA==; Received: by zero.zsh.org with local id 1ro9jQ-000OQn-Nq; Sat, 23 Mar 2024 22:20:52 +0000 Authentication-Results: zsh.org; iprev=pass (joooj.vinc17.net) smtp.remote-ip=155.133.131.76; dmarc=none header.from=vinc17.net; arc=none Received: from joooj.vinc17.net ([155.133.131.76]:56610) by zero.zsh.org with esmtps (TLS1.3:TLS_AES_256_GCM_SHA384:256) id 1ro9jC-000O6U-Bp; Sat, 23 Mar 2024 22:20:38 +0000 Received: from smtp-qaa.vinc17.net (135.197.67.86.rev.sfr.net [86.67.197.135]) by joooj.vinc17.net (Postfix) with ESMTPSA id D15CB3ED; Sat, 23 Mar 2024 23:20:37 +0100 (CET) Received: by qaa.vinc17.org (Postfix, from userid 1000) id 77DFDCA00B0; Sat, 23 Mar 2024 23:20:36 +0100 (CET) Date: Sat, 23 Mar 2024 23:20:36 +0100 From: Vincent Lefevre To: zsh-workers@zsh.org Subject: Re: behavior of test true -a \( ! -a \) Message-ID: <20240323222036.GE164665@qaa.vinc17.org> Mail-Followup-To: zsh-workers@zsh.org References: <20240321100710.GA164665@qaa.vinc17.org> MIME-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: X-Mailer-Info: https://www.vinc17.net/mutt/ User-Agent: Mutt/2.2.12+69 (354c5b11) vl-149028 (2023-12-10) X-Seq: 52803 Archived-At: X-Loop: zsh-workers@zsh.org Errors-To: zsh-workers-owner@zsh.org Precedence: list Precedence: bulk Sender: zsh-workers-request@zsh.org X-no-archive: yes List-Id: List-Help: , List-Subscribe: , List-Unsubscribe: , List-Post: List-Owner: List-Archive: On 2024-03-23 14:48:36 -0700, Bart Schaefer wrote: > I'd therefore argue that it's actually > > % test \( ! -a \) > > that is wrong: It should be complaining of a missing close paren, > rather than magically reverting to treating "!" as "not" (and also > "-a" as a plain string). It's entirely dependent on the count of > arguments rather than on treating parens as tokens. POSIX specifies what happens with up to 4 arguments. The idea is to interpret the operators in a way so that the expression is meaningful rather than having an incorrect syntax. -- Vincent Lefèvre - Web: 100% accessible validated (X)HTML - Blog: Work: CR INRIA - computer arithmetic / AriC project (LIP, ENS-Lyon)