From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 10523 invoked from network); 12 Jun 2008 09:57:37 -0000 X-Spam-Checker-Version: SpamAssassin 3.2.4 (2008-01-01) on f.primenet.com.au X-Spam-Level: X-Spam-Status: No, score=-2.6 required=5.0 tests=AWL,BAYES_00 autolearn=ham version=3.2.4 Received: from news.dotsrc.org (HELO a.mx.sunsite.dk) (130.225.247.88) by ns1.primenet.com.au with SMTP; 12 Jun 2008 09:57:37 -0000 Received-SPF: none (ns1.primenet.com.au: domain at sunsite.dk does not designate permitted sender hosts) Received: (qmail 59262 invoked from network); 12 Jun 2008 09:57:32 -0000 Received: from sunsite.dk (130.225.247.90) by a.mx.sunsite.dk with SMTP; 12 Jun 2008 09:57:32 -0000 Received: (qmail 22771 invoked by alias); 12 Jun 2008 09:57:28 -0000 Mailing-List: contact zsh-workers-help@sunsite.dk; run by ezmlm Precedence: bulk X-No-Archive: yes X-Seq: 25147 Received: (qmail 22757 invoked from network); 12 Jun 2008 09:57:27 -0000 Received: from bifrost.dotsrc.org (130.225.254.106) by sunsite.dk with SMTP; 12 Jun 2008 09:57:27 -0000 Received: from mail.o2.co.uk (yoda.london.02.net [82.132.130.151]) by bifrost.dotsrc.org (Postfix) with ESMTP id 00E958028AC3 for ; Thu, 12 Jun 2008 11:57:24 +0200 (CEST) Received: from sc.homeunix.net (78.105.216.138) by mail.o2.co.uk (8.0.013.3) (authenticated as stephane.chazelas) id 4850EBED0000FA72 for zsh-workers@sunsite.dk; Thu, 12 Jun 2008 10:57:23 +0100 Received: from chazelas by sc.homeunix.net with local (Exim 4.69) (envelope-from ) id 1K6jYZ-0001dZ-A1 for zsh-workers@sunsite.dk; Thu, 12 Jun 2008 10:57:23 +0100 Date: Thu, 12 Jun 2008 10:57:23 +0100 From: Stephane Chazelas To: Zsh hackers list Subject: arithmetic operator precedence Message-ID: <20080612095723.GF5113@sc.homeunix.net> Mail-Followup-To: Zsh hackers list MIME-Version: 1.0 Content-Type: text/plain; charset=iso-8859-15 Content-Disposition: inline Content-Transfer-Encoding: 8bit User-Agent: Mutt/1.5.16 (2007-09-19) X-Virus-Scanned: ClamAV 0.92.1/7445/Thu Jun 12 08:11:42 2008 on bifrost X-Virus-Status: Clean $ zsh -c 'echo $(( 1 & 2 == 2 ))' 0 "==" is meant to have precedence over &, so the above should give 1 as in C I think. All other shells do. -- Stéphane