From owner-freebsd-questions@FreeBSD.ORG Sat May 18 15:13:50 2013 Return-Path: Delivered-To: freebsd-questions@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) by hub.freebsd.org (Postfix) with ESMTP id 03FBD879; Sat, 18 May 2013 15:13:50 +0000 (UTC) (envelope-from tundra@tundraware.com) Received: from ozzie.tundraware.com (ozzie.tundraware.com [75.145.138.73]) by mx1.freebsd.org (Postfix) with ESMTP id C2818639; Sat, 18 May 2013 15:13:49 +0000 (UTC) Received: from [192.168.0.2] (viper.tundraware.com [192.168.0.2]) (authenticated bits=0) by ozzie.tundraware.com (8.14.7/8.14.7) with ESMTP id r4IFDG4Q006097 (version=TLSv1/SSLv3 cipher=DHE-RSA-CAMELLIA256-SHA bits=256 verify=NO); Sat, 18 May 2013 10:13:17 -0500 (CDT) (envelope-from tundra@tundraware.com) Message-ID: <51979A8B.8080703@tundraware.com> Date: Sat, 18 May 2013 10:13:15 -0500 From: Tim Daneliuk User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:17.0) Gecko/20130329 Thunderbird/17.0.5 MIME-Version: 1.0 To: Quartz Subject: Re: check variable content size in sh script References: <5194F65F.6080503@a1poweruser.com> <5194FB0A.9090400@tundraware.com> <13CA24D6AB415D428143D44749F57D7201F4D41F@ltcfiswmsgmb26> <5197998E.6050200@sneakertech.com> In-Reply-To: <5197998E.6050200@sneakertech.com> Content-Type: text/plain; charset=windows-1252; format=flowed Content-Transfer-Encoding: 7bit X-Greylist: Sender succeeded SMTP AUTH, not delayed by milter-greylist-4.4.3 (ozzie.tundraware.com [192.168.0.1]); Sat, 18 May 2013 10:13:17 -0500 (CDT) X-TundraWare-MailScanner-Information: Please contact the ISP for more information X-TundraWare-MailScanner-ID: r4IFDG4Q006097 X-TundraWare-MailScanner: Found to be clean X-TundraWare-MailScanner-From: tundra@tundraware.com X-Spam-Status: No Cc: Devin Teske , "Teske, Devin" , "" X-BeenThere: freebsd-questions@freebsd.org X-Mailman-Version: 2.1.14 Precedence: list List-Id: User questions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sat, 18 May 2013 15:13:50 -0000 On 05/18/2013 10:09 AM, Quartz wrote: > >> However, if the OP wanted to actually truncate $FOO to 51 >> characters: >> >> NEWFOO=$( echo "$FOO" | awk -v max=51 '{print substr($0,0,max)}' ) > > You don't need all that for a simple truncation/substring, you can do it with a direct assignment: > > newfoo=${foo:0:51} > That works for bash, not sh. -- ---------------------------------------------------------------------------- Tim Daneliuk tundra@tundraware.com PGP Key: http://www.tundraware.com/PGP/