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=-3.3 required=5.0 tests=DKIM_SIGNED,DKIM_VALID, MAILING_LIST_MULTI,RCVD_IN_DNSWL_MED,T_SCC_BODY_TEXT_LINE, UNPARSEABLE_RELAY autolearn=ham autolearn_force=no version=3.4.4 Received: (qmail 27124 invoked from network); 18 Mar 2022 08:49:53 -0000 Received: from zero.zsh.org (2a02:898:31:0:48:4558:7a:7368) by inbox.vuxu.org with ESMTPUTF8; 18 Mar 2022 08:49:53 -0000 ARC-Seal: i=1; cv=none; a=rsa-sha256; d=zsh.org; s=rsa-20210803; t=1647593393; b=kz4iwmeDzKUP32XSBjJ4pnq2w80f14w5FTMJ/O5iCFsxU4UPZlJIoJljINjxrG5UwQLrkpLooh 7kMck2LHhcdr/AYTJb4h5LTvi5K23z7+vpMqp/+AVKbt4Z8ijFB0eyij1nglXGRgGuqTsOa3m7 EMb6O6QHElCu3zmQL4EI2d5M5/TxXIlJ35Wenn+POmwpxo5EcUKQOte2jPF628ftXgyrw/llva PhZXd7H+CqVa+SrQ9pSa9ZMbG1HcvbNsTx0qURJiYvimMG7YH5u/xrxwr9zR6CmdiyvhYZe8vh /lUyX+Qa3yu0X5On8PPHvqPeMDLE1hBv8jzyDhZ1kl0U1Q==; ARC-Authentication-Results: i=1; zsh.org; iprev=pass (snd00007-bg.im.kddi.ne.jp) smtp.remote-ip=27.86.113.7; dmarc=none header.from=kba.biglobe.ne.jp; arc=none ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed; d=zsh.org; s=rsa-20210803; t=1647593393; bh=VlhyeTyDWF2gFmGcwrYSbnAZxn+VdDysmLg70vF/DQ8=; h=List-Archive:List-Owner:List-Post:List-Unsubscribe:List-Subscribe:List-Help: List-Id:Sender:To:References:Message-ID:Content-Transfer-Encoding:Cc:Date: In-Reply-To:From:Subject:MIME-Version:Content-Type:DKIM-Signature; b=B4XRqCzQOGbddTlOwllCB/PWucFdhkJA+rjv8PZmVUsZ0rth/jV1QdxHJLF/ng/Z5rbCro9kmx bwROHPUeOAd7+PfNR2Atw1GMukA5ziQBiiu+AYCGShleXv1uxeyUUkvtGXKQB4g2hEh4UswN7a r8zHt7JvJhiS5ZQwcD8H+2Bl1MnvkwzzxxUpuJw3wca9jlXJJImOmxbFF7G+i9/hDP665csQzA qhwXJ0tjkyGwX4wBQPFUWhLYHxSBpmPePLTa3sQFBBwVPsQdVxsjyQkNlcDSQIMx2EztXG4FkF yla6p5ubjsnKr+Pn2AV2V3V1YO+RrFPvM6a+jF/HpV1wxg==; 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:To:References:Message-Id: Content-Transfer-Encoding:Cc:Date:In-Reply-To:From:Subject:Mime-Version: Content-Type:Reply-To:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID; bh=m1XPP2JoHqrOvr02wLlgyS2HZWu58hfcV7O0rHr4HGM=; b=f7kG59vPrbKgtbRvMi2tkpqZ6P TF2D+4jpZH3ahcLmeMowe2atK25Q5Vb5YugugdtIafsvS2sKkkaqUHVzbfOUbrlDRgzcT0gn/EZlj cEJYSP2sa/3AelUI4kSULsSJbQ7BLob3bAXxUmImQ5t9qqKlT9YLBv5+UWbEUCGpIRfkqyUuceAdz LLkfvtsPc6Nb0GL8oOUXM3mSyVRb0HR6Ae6PoOOwYEk8Idy5hPZUymR0TuYE+vHfixgjbEsTLCwOm IfFlUUyhTzu628bTm9AQoXJX/C9UFQXyOAGXXH2bnCKhOCtSpQEevs/jAMiIVRKPVvSEkbQrsNijH 9WVqoz4A==; Received: from authenticated user by zero.zsh.org with local id 1nV8Ix-0006zi-Us; Fri, 18 Mar 2022 08:49:51 +0000 Authentication-Results: zsh.org; iprev=pass (snd00007-bg.im.kddi.ne.jp) smtp.remote-ip=27.86.113.7; dmarc=none header.from=kba.biglobe.ne.jp; arc=none Received: from snd00007-bg.im.kddi.ne.jp ([27.86.113.7]:38881 helo=dfmta0019.biglobe.ne.jp) by zero.zsh.org with esmtps (TLS1.3:TLS_AES_256_GCM_SHA384:256) id 1nV8Eh-00065N-5z; Fri, 18 Mar 2022 08:45:29 +0000 Received: from mail.biglobe.ne.jp by omta0019.biglobe.ne.jp with ESMTP id <20220318084523023.CJQ.65166.mail.biglobe.ne.jp@biglobe.ne.jp>; Fri, 18 Mar 2022 17:45:23 +0900 Content-Type: text/plain; charset=us-ascii Mime-Version: 1.0 (Mac OS X Mail 12.4 \(3445.104.21\)) Subject: Re: possible bug in zsh concerning a for loop From: Jun T In-Reply-To: Date: Fri, 18 Mar 2022 17:45:22 +0900 Cc: Leander Jedamus Content-Transfer-Encoding: 7bit Message-Id: <646DEC1A-CEC9-47B7-9D90-954D213C25B5@kba.biglobe.ne.jp> References: To: zsh-users@zsh.org X-Mailer: Apple Mail (2.3445.104.21) X-Biglobe-Sender: takimoto-j@kba.biglobe.ne.jp X-Seq: 27582 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: > 2022/03/18 16:33, Leander Jedamus wrote: > > items="item1 item2 item3" > > for i in $items; do > echo "\"$i\"" > done > This prints: > "item1 item2 item3" This is not a bug but a feature of zsh. Yes, it is incompatible with other shells (sh/ksh/bash ...), and one of the most significant incompatibilities. See 'man zshexpn' and search for SH_WORD_SPLIT. > It should print: > "item1" > "item2" > "item3" You can get this by: [1] use array (instead of scalar parameter items) a=( item1 item2 item3 ) for i in $a; do ... done [2] use ${=items} for i in ${=items}; do ... done [3] set SH_WORD_SPLIT option setopt SH_WORD_SPLIT for i in $items; do ... done I prefer [1], but it is up to you which method you use.