From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 15550 invoked from network); 12 Jan 2005 16:13:53 -0000 Received: from news.dotsrc.org (HELO a.mx.sunsite.dk) (130.225.247.88) by ns1.primenet.com.au with SMTP; 12 Jan 2005 16:13:53 -0000 Received: (qmail 74652 invoked from network); 12 Jan 2005 16:13:47 -0000 Received: from sunsite.dk (130.225.247.90) by a.mx.sunsite.dk with SMTP; 12 Jan 2005 16:13:47 -0000 Received: (qmail 451 invoked by alias); 12 Jan 2005 16:13:33 -0000 Mailing-List: contact zsh-workers-help@sunsite.dk; run by ezmlm Precedence: bulk X-No-Archive: yes X-Seq: 20699 Received: (qmail 437 invoked from network); 12 Jan 2005 16:13:32 -0000 Received: from unknown (HELO a.mx.sunsite.dk) (130.225.247.88) by sunsite.dk with SMTP; 12 Jan 2005 16:13:32 -0000 Received: (qmail 73942 invoked from network); 12 Jan 2005 16:12:34 -0000 Received: from lorien.emufarm.org (HELO lorien.comfychair.org) (64.81.48.166) by a.mx.sunsite.dk with SMTP; 12 Jan 2005 16:12:31 -0000 Received: from lorien.comfychair.org (localhost [127.0.0.1]) by lorien.comfychair.org (8.12.11/8.12.4) with ESMTP id j0CGCqbD007083 for ; Wed, 12 Jan 2005 08:12:52 -0800 Received: (from duvall@localhost) by lorien.comfychair.org (8.12.11/8.12.11/Submit) id j0CGCqxV007082 for zsh-workers@sunsite.dk; Wed, 12 Jan 2005 08:12:52 -0800 Date: Wed, 12 Jan 2005 08:12:52 -0800 From: Danek Duvall To: zsh-workers@sunsite.dk Subject: Re: POSIX conformance in Solaris Message-ID: <20050112161252.GA30820@lorien.comfychair.org> Mail-Followup-To: Danek Duvall , zsh-workers@sunsite.dk References: <20050112091800.GA4486@sc> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20050112091800.GA4486@sc> User-Agent: Mutt/1.5.6i X-Spam-Checker-Version: SpamAssassin 2.63 on a.mx.sunsite.dk X-Spam-Level: X-Spam-Status: No, hits=-0.0 required=6.0 tests=BAYES_44 autolearn=no version=2.63 X-Spam-Hits: -0.0 On Wed, Jan 12, 2005 at 09:18:00AM +0000, Stephane Chazelas wrote: > tail -n 1, even if POSIX, is not portable. I think I've come > across a system where it was not supported recently (maybe > Solaris). Very possible. When POSIX introduces an interface that would break compatibility with already released Solaris commands, the functionality gets stuck in /usr/xpg?. So in this case /usr/bin/tail doesn't require (or even support) -n, while /usr/xpg4/bin/tail supports (but doesn't require) it. Danek