From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 29965 invoked by alias); 26 Jan 2016 04:47:59 -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: 37784 Received: (qmail 17585 invoked from network); 26 Jan 2016 04:47:56 -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,T_DKIM_INVALID autolearn=ham autolearn_force=no version=3.4.0 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=brasslantern-com.20150623.gappssmtp.com; s=20150623; h=from:message-id:date:in-reply-to:comments:references:to:subject :mime-version:content-type; bh=iRwHsmDApWHYM6ivXsv33JnZx7/us17XcDOcFbVubFo=; b=P+5wWTEqYzw4n4uq8Ts5f654at1XoclDmNVoWiXbyA8yNjB4KjCGO31oN27OWkLb43 rPb+akCwLG9vp0/TkdKFXGiePII0kRdxHIIjxsQXGe2LWU3SR9SLE0Dh9bAX9p9q8/IH B17vK3c+A5XoF4DMGVp1YGoRJTBCyvE0nIcK4W/3G5tJEDvNRXNbMpf3UX05ArnsrQP5 0Qi7ne0imSM/QMx5Qw3QC9CGYEvTqTUQzzIh8s0TOK3xAlHlZ6/mC4Mdwean/A0HJ+dF ExQuBAjoDkLT+Gi+mNT70mtziW9MuQeDVLI1RgpM0hUjAyo4e11zgrnlRY40jsl+mkk3 Ly8A== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20130820; h=x-gm-message-state:from:message-id:date:in-reply-to:comments :references:to:subject:mime-version:content-type; bh=iRwHsmDApWHYM6ivXsv33JnZx7/us17XcDOcFbVubFo=; b=KOjYrOWgSS1ucouqWW0owJ5ks23CtkHAEXYKk+89k8aR89StiCHNxCbJ/3EYiTX1Jd SkjuBQhVQBJfPUrRNpgxdnF4xANyqGD4yetcHzSQjOt05K4IdKK7HglwMmYAc3o6t8lJ 9+BFthU+5XLlc5qeeEiUur36ksQYdGwZAN2jlpardckVGhzHb6Q34jrTyFs3QxrdIyYC 3FzCCSCtEZ1X6prVRKoCh6MDSkqKQgE8Wc5j3QeIvgVq7sWMdulopx4f6UOsy7ReYODl PWHi8Wsj0tjztqjUqprRPMeGJHA4e4myRZjLWdbdhwty6whjOJlOEAxLFWm58XRiHC0g 0HLA== X-Gm-Message-State: AG10YOT7QLFIkF+YrreIHjamqtbfAYCl68b+Mz79nEfy08Ms3Og4xnCfZEkg5WN50huCOg== X-Received: by 10.66.140.14 with SMTP id rc14mr31432828pab.65.1453783673942; Mon, 25 Jan 2016 20:47:53 -0800 (PST) From: Bart Schaefer Message-Id: <160125204829.ZM15331@torch.brasslantern.com> Date: Mon, 25 Jan 2016 20:48:29 -0800 In-Reply-To: <56A6F01E.8030306@inlv.org> Comments: In reply to Martijn Dekker "Re: [BUG] quoting within bracket patterns has no effect" (Jan 26, 4:03am) References: <569C68AB.2010806@inlv.org> <20160118172434.2fb7d5b9@pwslap01u.europe.root.pri> <56A2C6A8.4090108@inlv.org> <160122174949.ZM11794@torch.brasslantern.com> <56A6F01E.8030306@inlv.org> X-Mailer: OpenZMail Classic (0.9.2 24April2005) To: zsh-workers@zsh.org Subject: Re: [BUG] quoting within bracket patterns has no effect MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii On Jan 26, 4:03am, Martijn Dekker wrote: } } In normal variable expansion, setting the option SH_WORD_SPLIT causes } unquoted $var to be equivalent to ${~var} in variable expansion. } Wouldn't it make sense to have SH_WORD_SPLIT activate pattern characters } in unquoted variables in range expressions as well? Look again at my first example from the previous message: schaefer[691] Src/zsh -f torch% emulate sh torch% myrange='a-z' torch% somevar='c' torch% case $somevar in case> ( *[$myrange]* ) echo "$somevar is part of $myrange" ;; case> esac c is part of a-z torch% print $ZSH_PATCHLEVEL zsh-5.2-103-g69c86cd What about that is incorrect? You need $~myrange for "emulate zsh" but NOT for "emulate sh", unless I'm missing something. Also it's never been "setopt shwordsplit" that enables patterns in a parameter expansion, rather it's "setopt globsubst": schaefer[692] Src/zsh -f torch% x='c*h' torch% print $x c*h torch% setopt shwordsplit torch% print $x c*h torch% setopt globsubst torch% print $x config.h config.modules.sh What I was pointing out when I said "I'm not sure it's possible to have it both ways" has ONLY to do with "emulate zsh". The problem is that the parsing happens at two different places -- at the time $myrange is expanded, I don't believe the parameter substitution code knows it's inside a character set in an active pattern; so there's no way to temporarily activate globsubst except by explicity doing so. This may be a case where native zsh is incompatible with POSIX at a fairly fundamental level; old working zsh scripts are potentially going to break, and I don't think we can do anything about it unless we want to tell POSIX to go pound sand.