From owner-freebsd-chat@FreeBSD.ORG  Sun Jul 19 21:43:39 2009
Return-Path: <owner-freebsd-chat@FreeBSD.ORG>
Delivered-To: freebsd-chat@freebsd.org
Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34])
	by hub.freebsd.org (Postfix) with ESMTP id 04731106566C
	for <freebsd-chat@freebsd.org>; Sun, 19 Jul 2009 21:43:39 +0000 (UTC)
	(envelope-from mailnull@mips.inka.de)
Received: from mail-in-13.arcor-online.net (mail-in-13.arcor-online.net
	[151.189.21.53])
	by mx1.freebsd.org (Postfix) with ESMTP id AD7BF8FC1F
	for <freebsd-chat@freebsd.org>; Sun, 19 Jul 2009 21:43:38 +0000 (UTC)
	(envelope-from mailnull@mips.inka.de)
Received: from mail-in-03-z2.arcor-online.net (mail-in-03-z2.arcor-online.net
	[151.189.8.15]) by mx.arcor.de (Postfix) with ESMTP id 9928D2BAB8E
	for <freebsd-chat@freebsd.org>; Sun, 19 Jul 2009 23:09:37 +0200 (CEST)
Received: from mail-in-10.arcor-online.net (mail-in-10.arcor-online.net
	[151.189.21.50])
	by mail-in-03-z2.arcor-online.net (Postfix) with ESMTP id 8B0782D4025
	for <freebsd-chat@freebsd.org>; Sun, 19 Jul 2009 23:09:37 +0200 (CEST)
Received: from lorvorc.mips.inka.de (dslb-092-075-104-186.pools.arcor-ip.net
	[92.75.104.186])
	by mail-in-10.arcor-online.net (Postfix) with ESMTPS id 3B32128EDC3
	for <freebsd-chat@freebsd.org>; Sun, 19 Jul 2009 23:09:37 +0200 (CEST)
X-DKIM: Sendmail DKIM Filter v2.8.2 mail-in-10.arcor-online.net 3B32128EDC3
Received: from lorvorc.mips.inka.de (localhost [127.0.0.1])
	by lorvorc.mips.inka.de (8.14.3/8.14.3) with ESMTP id n6JL9agc014944
	for <freebsd-chat@freebsd.org>; Sun, 19 Jul 2009 23:09:36 +0200 (CEST)
	(envelope-from mailnull@lorvorc.mips.inka.de)
Received: (from mailnull@localhost)
	by lorvorc.mips.inka.de (8.14.3/8.14.3/Submit) id n6JL9ait014943
	for freebsd-chat@freebsd.org; Sun, 19 Jul 2009 23:09:36 +0200 (CEST)
	(envelope-from mailnull)
From: naddy@mips.inka.de (Christian Weisgerber)
Date: Sun, 19 Jul 2009 21:09:36 +0000 (UTC)
Message-ID: <h4022g$eco$1@lorvorc.mips.inka.de>
References: <200907172257.QAA15292@lariat.net>
	<20090718000116.GA8379@steerpike.hanley.stade.co.uk>
	<200907180121.TAA16416@lariat.net>
Originator: naddy@mips.inka.de (Christian Weisgerber)
To: freebsd-chat@freebsd.org
Subject: Re: Bourne shell short-circuit operators improperly documented
X-BeenThere: freebsd-chat@freebsd.org
X-Mailman-Version: 2.1.5
Precedence: list
List-Id: Non technical items related to the community
	<freebsd-chat.freebsd.org>
List-Unsubscribe: <http://lists.freebsd.org/mailman/listinfo/freebsd-chat>,
	<mailto:freebsd-chat-request@freebsd.org?subject=unsubscribe>
List-Archive: <http://lists.freebsd.org/pipermail/freebsd-chat>
List-Post: <mailto:freebsd-chat@freebsd.org>
List-Help: <mailto:freebsd-chat-request@freebsd.org?subject=help>
List-Subscribe: <http://lists.freebsd.org/mailman/listinfo/freebsd-chat>,
	<mailto:freebsd-chat-request@freebsd.org?subject=subscribe>
X-List-Received-Date: Sun, 19 Jul 2009 21:43:39 -0000

Brett Glass <brett@lariat.net> wrote:

> As I understand it, when it comes to UNIX result codes, 0 doesn't 
> really mean "true" -- it means "no error." (In other words, it 
> means "false.") Whereas any nonzero value means there was an error 
> (and indicates what kind). In other words, it means that it's 
> "true" that there was an error.

You are very confused.

$ true; echo $?
0
$ false; echo $?
1

-- 
Christian "naddy" Weisgerber                          naddy@mips.inka.de