From mboxrd@z Thu Jan 1 00:00:00 1970 X-Spam-Checker-Version: SpamAssassin 3.4.4 (2020-01-24) on inbox.vuxu.org X-Spam-Level: X-Spam-Status: No, score=-3.6 required=5.0 tests=DKIM_SIGNED,DKIM_VALID, MAILING_LIST_MULTI,NICE_REPLY_A,RCVD_IN_DNSWL_MED,UNPARSEABLE_RELAY autolearn=ham autolearn_force=no version=3.4.4 Received: (qmail 21979 invoked from network); 3 Mar 2021 09:36:44 -0000 Received: from zero.zsh.org (2a02:898:31:0:48:4558:7a:7368) by inbox.vuxu.org with ESMTPUTF8; 3 Mar 2021 09:36:44 -0000 ARC-Seal: i=1; cv=none; a=rsa-sha256; d=zsh.org; s=rsa-20200801; t=1614764204; b=a6vnS7EDPsVzpCRSvA61jgEVqOi1rD/E7SM9s6WkEwSOLv/VdmHdJr4Ud2wnvRc0Y9KD3nhZZC IyWCiVaip1fC1lkM1pMikOcYfgZFqNtkOfAsSMzMFCVLuSOrNKpB3hAtLmmdATLJcM+bKVxfrK hd1AL8BdJE3ARSLphdUQYQpJswYQqnUydIwjC6ZAdOwip+z+QIxDBhhtVwydyRumsD3SJW+UVu XMdp/6S69ltz/wUaZdBMvCP1vOnh5CeSgW4yB1IIhdd5hOZHHnPuXO6OXIGjfQOImY5glAfVLU EdMG4AIztFDGDD4YyDVCAJLYCPShPEe8JLvdDBvMURMo2A==; ARC-Authentication-Results: i=1; zsh.org; iprev=pass (mailex.mailcore.me) smtp.remote-ip=94.136.40.142; dmarc=none header.from=rayninfo.co.uk; arc=none ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed; d=zsh.org; s=rsa-20200801; t=1614764204; bh=YRB+XgqM78ZKBdp4KcClQR4B745K1GJzBCsR76u0Guw=; h=List-Archive:List-Owner:List-Post:List-Unsubscribe:List-Subscribe:List-Help: List-Id:Sender:Content-Transfer-Encoding:Content-Type:In-Reply-To: MIME-Version:Date:Message-ID:From:References:To:Subject:DKIM-Signature; b=YsPck5bUMIswIroyDMgScOouEKADTtTDJ3D9keniKbNsFfaimetjvhVVHfcXiPpf53IMIt1y8o W+w9q5uRODy9sJV458BVlU6Rt0JNNdHZGf2J1Z6p9MG6bYm4Z6V4dj8oSUIMnBpu0lB6xNxinS s5xZJye1nHM2wPwCWJmiz+QP/RVc9/hJhPWZp6Cb4xx27Fc2z8cWWIO2EG/62eglncwCSddP9n tvYEvvA9lK9xA3pj67TpR/w7e2fBDNN8ktil1iecuBNmJx0WfC/DZ6ZGw6CNdpHb5nwcAr1Vir JAmQjD6h3n+UxxAX5Gxsnexop5fSxy5ibwdgp5IN5N/YLQ==; DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=zsh.org; s=rsa-20200801; h=List-Archive:List-Owner:List-Post:List-Unsubscribe: List-Subscribe:List-Help:List-Id:Sender:Content-Transfer-Encoding: Content-Type:In-Reply-To:MIME-Version:Date:Message-ID:From:References:To: Subject:Reply-To:Cc:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID; bh=3MZfMgh/ZRzIQvzhTwMiqMDKq5ZmXuTZoVRHl/6TI/A=; b=SELsKECwARSylOLs/nxPnsNJn2 d9YdaFQELsrUNdyeKmdIfjD3BMHnHGfHzCWDRIFnPux0cv2NnIFgX6r2zq3Y4jebLoD49DyYN6Vja 7/e7a5qJqCXnRdyCevn7rUeAEqAKtqfSB60LT2jxLUfop0K1ubk3pi+CWqIn5hQvxvMgTCHTSyyRu AD/pxC6OYWvs+WvEh7HQjAyf8PTfPNKIccWqFHBHZjKnLyYqEowdQwiTv53Bs+qPz6BWWzvR9zYHM tua9E2KLCKbIFghNmtUmdMF9GqUYC/VPvT4+gfsgFA+NT0XWihO0wE5yI8Q1RkDuIlshsPYHaj5xF HjbEA2+A==; Received: from authenticated user by zero.zsh.org with local id 1lHNvv-000Ev9-3X; Wed, 03 Mar 2021 09:36:43 +0000 Authentication-Results: zsh.org; iprev=pass (mailex.mailcore.me) smtp.remote-ip=94.136.40.142; dmarc=none header.from=rayninfo.co.uk; arc=none Received: from mailex.mailcore.me ([94.136.40.142]:43886) by zero.zsh.org with esmtps (TLS1.2:ECDHE-RSA-AES256-GCM-SHA384:256) id 1lHNvS-000EYu-CC; Wed, 03 Mar 2021 09:36:15 +0000 Received: from [31.124.84.134] (helo=[192.168.1.231]) by smtp03.mailcore.me with esmtpa (Exim 4.92.3) (envelope-from ) id 1lHNvR-00013J-Gq for zsh-users@zsh.org; Wed, 03 Mar 2021 09:36:13 +0000 Subject: Re: disown -a To: zsh-users@zsh.org References: <28c28f42-632d-4ebc-857e-64022f59a895@www.fastmail.com> <20210303071549.oessnssr3n4w4acj@chazelas.org> From: zzapper Message-ID: <4e2d5b5f-18ae-de72-dadc-2eb3e2076714@rayninfo.co.uk> Date: Wed, 3 Mar 2021 09:36:13 +0000 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101 Thunderbird/78.7.1 MIME-Version: 1.0 In-Reply-To: <20210303071549.oessnssr3n4w4acj@chazelas.org> Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: 8bit Content-Language: en-US X-Mailcore-Auth: 8308408 X-Mailcore-Domain: 840527 X-Seq: 26568 Archived-At: X-Loop: zsh-users@zsh.org Errors-To: zsh-users-owner@zsh.org Precedence: list Precedence: bulk Sender: zsh-users-request@zsh.org X-no-archive: yes List-Id: List-Help: List-Subscribe: List-Unsubscribe: List-Post: List-Owner: List-Archive: Archived-At: On 03/03/2021 07:15, Stephane Chazelas wrote: > 2021-03-03 00:05:38 +0000, Daniel Shahaf: > [...] >> zsh is not a bug-for-bug reimplementation of bash. >> >> As to a workaround, you don't specify what -a should do, but perhaps this: >> >> >> pdksh-based, ash-based, csh-based ones don't seem to have a >> disown builtin. >> >> Of the ones that have a disown builtin above, only bash and yash >> support -a (also --all in yash). >> >> bash added that option (as well as -r) in 2.02 (1998). >> >> thanks for this interesting and comprehensive answer. Now something I've never quite got my head round is or isn't the underlying binary in bash & zsh for say disown orĀ  grep actually the same on any particular system? Best regards zzapper