From owner-freebsd-questions@FreeBSD.ORG Fri May 23 15:35:26 2008 Return-Path: Delivered-To: freebsd-questions@FreeBSD.ORG Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 1CB30106564A for ; Fri, 23 May 2008 15:35:26 +0000 (UTC) (envelope-from olli@lurza.secnetix.de) Received: from lurza.secnetix.de (unknown [IPv6:2a01:170:102f::2]) by mx1.freebsd.org (Postfix) with ESMTP id 882E18FC1A for ; Fri, 23 May 2008 15:35:25 +0000 (UTC) (envelope-from olli@lurza.secnetix.de) Received: from lurza.secnetix.de (localhost [127.0.0.1]) by lurza.secnetix.de (8.14.1/8.14.1) with ESMTP id m4NFZNUp024534; Fri, 23 May 2008 17:35:23 +0200 (CEST) (envelope-from oliver.fromme@secnetix.de) Received: (from olli@localhost) by lurza.secnetix.de (8.14.1/8.14.1/Submit) id m4NFZNu2024533; Fri, 23 May 2008 17:35:23 +0200 (CEST) (envelope-from olli) Date: Fri, 23 May 2008 17:35:23 +0200 (CEST) Message-Id: <200805231535.m4NFZNu2024533@lurza.secnetix.de> From: Oliver Fromme To: freebsd-questions@FreeBSD.ORG, pauls@utdallas.edu In-Reply-To: X-Newsgroups: list.freebsd-questions User-Agent: tin/1.8.3-20070201 ("Scotasay") (UNIX) (FreeBSD/6.2-STABLE-20070808 (i386)) MIME-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 8bit X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-2.1.2 (lurza.secnetix.de [127.0.0.1]); Fri, 23 May 2008 17:35:24 +0200 (CEST) Cc: Subject: Re: Shell scripting - suppressing and eliminating error messages X-BeenThere: freebsd-questions@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: User questions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 23 May 2008 15:35:26 -0000 Paul Schmehl wrote: > --On Tuesday, May 20, 2008 17:36:26 -0500 Paul Schmehl > wrote: > > if ( ${BATCH} ); then > > [...] > > 1: not found > > Never mind....forgot to use [ ] for test instead of ( ). If the value of $BATCH is always either 0 and 1, a neat trick is to define two shell functions: 0() { false; } 1() { true; } Then you can savely write: if ( $BATCH ); then Or even: if $BATCH; then Best regards Oliver -- Oliver Fromme, secnetix GmbH & Co. KG, Marktplatz 29, 85567 Grafing b. M. Handelsregister: Registergericht Muenchen, HRA 74606, Geschäftsfuehrung: secnetix Verwaltungsgesellsch. mbH, Handelsregister: Registergericht Mün- chen, HRB 125758, Geschäftsführer: Maik Bachmann, Olaf Erb, Ralf Gebhart FreeBSD-Dienstleistungen, -Produkte und mehr: http://www.secnetix.de/bsd "Clear perl code is better than unclear awk code; but NOTHING comes close to unclear perl code" (taken from comp.lang.awk FAQ)