From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 16012 invoked by alias); 18 Jan 2016 04:38:22 -0000 Mailing-List: contact zsh-workers-help@zsh.org; run by ezmlm Precedence: bulk X-No-Archive: yes List-Id: Zsh Workers List List-Post: List-Help: X-Seq: 37668 Received: (qmail 14868 invoked from network); 18 Jan 2016 04:38:21 -0000 X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on f.primenet.com.au X-Spam-Level: X-Spam-Status: No, score=-1.9 required=5.0 tests=BAYES_00,FREEMAIL_FROM, T_DKIM_INVALID autolearn=ham autolearn_force=no version=3.4.0 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :content-type; bh=LwOA2J9B/248siv56SGTYoXR9rvR1qx7Mfnw8l1PJfo=; b=HR/IK1JkMbV5pzZcEiMS3SHRYMt5W7alnnCKKQbqSv77JqFtXvzHQLyVu3lIjtU/zi 8tUpn1/P4CZV+Yq19rs/UA+jEWowjYbwuvZMCGhvjvKsg7qC/dPO01HpkRWSnvoU4C1Q 6XmfKjklLB0LiASVpMjsBWiVG5fNzhr0/dTv6iMlHLbDkGwV+XGkLeZdxG2VQ+oxpxBj Raj6eMS6DOxtvUbU5QNSY4VReTJXrbt5DxTeSZaHrL/MbBJV/LKm1WZfN1jFMzqsHTpj EQACdjA8FVMFbAqv3h5HF+ZqYp1+WDTulbnd/nZrlSJ1USjgx2tUKuuh6V4k41fCIrd8 Hxyg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20130820; h=x-gm-message-state:mime-version:in-reply-to:references:date :message-id:subject:from:to:content-type; bh=LwOA2J9B/248siv56SGTYoXR9rvR1qx7Mfnw8l1PJfo=; b=PQ5mpvH0FemMnF3KSSJFLChT3bUCgrUac7b56lYA6ZL4kcqi3/O3qmdCSW0KK1uGpQ GKW+7PNvtbKyKadrOpy3EQf8E4SqRkM7zmMUr+l84aZYk7vI8mPgpNQeuhqztGSywLeq XHPn+sgISIAsRSb+fjYLkr4z6SZqb3b2anx9G5K1O7wCLCnShjAn5zCyBbR4b5PSTJ/H nACdugkZgFiIGFl7Ynsm3phcGiXaa3qo89VpbAU8Hye75OeYEAEhKKpaHmYz64PEN27p Ftxwazz24KjyvRRBcP8sKeAg7BpshIm807ba6XW7PdeQmUwd+wo7Av9LydzBtYNiem6z IyVQ== X-Gm-Message-State: ALoCoQl5xR0/7yg9b1Z+83I8Rr4VybbTuqHTbydiNQENleJFRCrrHIqObdyncFRRGPk3IB6P1aflh6bXKGyKH0Fkh1xXD5FXKg== MIME-Version: 1.0 X-Received: by 10.55.72.87 with SMTP id v84mr29689737qka.9.1453091897262; Sun, 17 Jan 2016 20:38:17 -0800 (PST) In-Reply-To: <20160118022557.GE3979@tarsus.local2> References: <20160114001336.GA11173@tarsus.local2> <56973114.90807@gmx.com> <20160115062645.GB12223@tarsus.local2> <20160118022557.GE3979@tarsus.local2> Date: Mon, 18 Jan 2016 05:38:17 +0100 Message-ID: Subject: Re: [PATCH] typeset: set $? on incidental error From: Mikael Magnusson To: Daniel Shahaf , zsh workers Content-Type: text/plain; charset=UTF-8 On Mon, Jan 18, 2016 at 3:25 AM, Daniel Shahaf wrote: > Mikael Magnusson wrote on Fri, Jan 15, 2016 at 15:46:09 +0100: >> On Fri, Jan 15, 2016 at 7:26 AM, Daniel Shahaf wrote: >> > Eric Cook wrote on Thu, Jan 14, 2016 at 00:24:36 -0500: >> >> On 01/13/2016 07:13 PM, Daniel Shahaf wrote: >> >> > The 'typeset' family of builtins doesn't set $? when one would expect it >> >> > to do so: >> >> > >> >> > % x=$(true) y=$(exit 42); echo $? >> >> > 42 >> >> > % local x=$(true) y=$(exit 42); echo $? >> >> > 0 >> >> > >> >> > This patch makes 'typeset' behave as ordiary assignment does. >> >> >> >> >> >> But who expects that? >> > >> > I did. >> >> local/typeset is a command, and it was successful, so I don't see why >> $? should be set to anything else than 0. >> % true x=$(false); echo $? >> 0 >> is technically exactly the same situation as your above second command. > > I wouldn't call it successful: I asked for the parameter x to be created > as a scalar and assigned a value and only part of my request was > accomplished. That's not true, the parameter is created and assigned the value you asked for (your command subst had empty output so the parameter is "" but if you did local y=$(echo hi; exit 42) it would be "42".) -- Mikael Magnusson