From mboxrd@z Thu Jan 1 00:00:00 1970 X-Spam-Checker-Version: SpamAssassin 3.4.2 (2018-09-13) on inbox.vuxu.org X-Spam-Level: X-Spam-Status: No, score=-1.0 required=5.0 tests=DKIM_ADSP_CUSTOM_MED, FREEMAIL_FROM,MAILING_LIST_MULTI,RCVD_IN_DNSWL_NONE,SPF_PASS autolearn=ham autolearn_force=no version=3.4.2 Received: (qmail 13004 invoked from network); 29 Mar 2020 17:30:29 -0000 Received-SPF: pass (primenet.com.au: domain of zsh.org designates 203.24.36.2 as permitted sender) receiver=inbox.vuxu.org; client-ip=203.24.36.2 envelope-from= Received: from ns1.primenet.com.au (HELO primenet.com.au) (203.24.36.2) by inbox.vuxu.org with UTF8ESMTPZ; 29 Mar 2020 17:30:29 -0000 Received: (qmail 2993 invoked by alias); 29 Mar 2020 17:30:12 -0000 Mailing-List: contact zsh-users-help@zsh.org; run by ezmlm Precedence: bulk X-No-Archive: yes List-Id: Zsh Users List List-Post: List-Help: List-Unsubscribe: X-Seq: 24731 Received: (qmail 7175 invoked by uid 1010); 29 Mar 2020 17:30:12 -0000 X-Qmail-Scanner-Diagnostics: from mail-io1-f41.google.com by f.primenet.com.au (envelope-from , uid 7791) with qmail-scanner-2.11 (clamdscan: 0.102.2/25765. spamassassin: 3.4.2. Clear:RC:0(209.85.166.41):SA:0(-2.0/5.0):. Processed in 3.073865 secs); 29 Mar 2020 17:30:12 -0000 X-Envelope-From: mikachu@gmail.com X-Qmail-Scanner-Mime-Attachments: | X-Qmail-Scanner-Zip-Files: | Received-SPF: pass (ns1.primenet.com.au: SPF record at _netblocks.google.com designates 209.85.166.41 as permitted sender) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:in-reply-to:references:from:date :message-id:subject:to:cc; bh=ovHvxzUfbJtXf8Mu4YMEELu7T06g0Cz1kP1hFaSqlXs=; b=bcVeprXgvS+7b1m/qsS7PFG+cUmTlkkZySvKEqLcRRBBg9qA9s/O/YSZCQzOBoxEVa p6CqxMQ1P9JdU2oWQZUNhjDV1bNgmB1+O2zx5Uid2mKjIrLMAC9tcI8k4AQutGfKZTWS DNSI4cqrnaRkikwfBWb745g4EuJQpJ4Jhay3oXuVt82+ONlpAMB9V12J9a9qHnu1mfSU keEqJoItWZ/cAw7uIB2D5dQzZZFPK+R+GD3uiua9Ml2GnA9K8uAlR5yxPnHRdFAbNi3K h/PxA/2DV4rXrMMSYEsfx0ogStY0vmDPi2zsk85Gl8EQXwzoCIreCgi72P8WMLO/d5gM wu2g== X-Gm-Message-State: ANhLgQ2E0oqYvajwYtmTNX6/kGTTbusalq34Rf0dFXHaOOJYl7p58/Of TL7/6jt/I/Pc4gxcKgqtoXofi61hLADp1sFue5k= X-Google-Smtp-Source: ADFU+vvKpOES9sD2ZC9zte4D6yzMZQEkm6StohCCNVh6tlT2DoISuaRS/U3SPviFDIj1aXiVyKrOefLmNgO6gIATwyA= X-Received: by 2002:a6b:3c01:: with SMTP id k1mr7151442iob.120.1585502975116; Sun, 29 Mar 2020 10:29:35 -0700 (PDT) MIME-Version: 1.0 In-Reply-To: References: From: Mikael Magnusson Date: Sun, 29 Mar 2020 19:29:34 +0200 Message-ID: Subject: Re: Unexpected behavior with pipe_fail and err_return To: Roman Perepelitsa Cc: Zsh Users Content-Type: text/plain; charset="UTF-8" On 3/28/20, Roman Perepelitsa wrote: > () { > emulate -L zsh -o pipe_fail -o err_return > false | while false; do; done > echo $? > } > > This prints "1". Is this expected? I was hoping for no output. FWIW, you can do this as a workaround () { emulate -L zsh -o pipe_fail -o err_return ( false | while false; do; done ) echo $? } -- Mikael Magnusson