From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 13325 invoked by alias); 15 May 2015 00:11:40 -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: 35146 Received: (qmail 5081 invoked from network); 15 May 2015 00:11:39 -0000 X-Spam-Checker-Version: SpamAssassin 3.3.2 (2011-06-06) on f.primenet.com.au X-Spam-Level: X-Spam-Status: No, score=-4.2 required=5.0 tests=BAYES_00,RCVD_IN_DNSWL_MED, SPF_HELO_PASS autolearn=ham version=3.3.2 Message-ID: <5555384E.6020902@case.edu> Date: Thu, 14 May 2015 20:05:34 -0400 From: Chet Ramey Reply-To: chet.ramey@case.edu Organization: ITS, Case Western Reserve University User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.10; rv:31.0) Gecko/20100101 Thunderbird/31.6.0 MIME-Version: 1.0 To: Bart Schaefer , zsh-workers@zsh.org CC: chet.ramey@case.edu Subject: Re: 'case' pattern matching bug with bracket expressions References: <55549FB2.80705@inlv.org> <20150514154238.0e547ff0@pwslap01u.europe.root.pri> <5554C3A5.4030205@inlv.org> <20150514165557.59f6bdc9@pwslap01u.europe.root.pri> <150514103003.ZM30746@torch.brasslantern.com> In-Reply-To: <150514103003.ZM30746@torch.brasslantern.com> Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 7bit X-Junkmail-Whitelist: YES (by domain whitelist at mpv2.tis.cwru.edu) On 5/14/15 1:30 PM, Bart Schaefer wrote: > Even in bash the space can be left unescaped in some contexts; e.g. > > schaefer@burner:~$ var=' ' > schaefer@burner:~$ echo ${var//[ ]/foo} > foo Yes. Inside ${...}, the space doesn't delimit a token. The Posix tokenizing rules specify that. -- ``The lyf so short, the craft so long to lerne.'' - Chaucer ``Ars longa, vita brevis'' - Hippocrates Chet Ramey, ITS, CWRU chet@case.edu http://cnswww.cns.cwru.edu/~chet/