From owner-freebsd-questions Thu Aug 22 23:56: 4 2002 Delivered-To: freebsd-questions@freebsd.org Received: from mx1.FreeBSD.org (mx1.FreeBSD.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id DCCBD37B400 for ; Thu, 22 Aug 2002 23:56:01 -0700 (PDT) Received: from 216-164-225-145.c3-0.wth-ubr2.sbo-wth.ma.cable.rcn.com (216-164-225-145.c3-0.wth-ubr2.sbo-wth.ma.cable.rcn.com [216.164.225.145]) by mx1.FreeBSD.org (Postfix) with ESMTP id C5D7043E65 for ; Thu, 22 Aug 2002 23:56:00 -0700 (PDT) (envelope-from uminac@216-164-225-145.c3-0.wth-ubr2.sbo-wth.ma.cable.rcn.com) Received: from localhost (uminac@localhost) by 216-164-225-145.c3-0.wth-ubr2.sbo-wth.ma.cable.rcn.com (8.11.6/8.11.6) with ESMTP id g7N6tvB63100; Fri, 23 Aug 2002 02:55:57 -0400 (EDT) (envelope-from uminac@216-164-225-145.c3-0.wth-ubr2.sbo-wth.ma.cable.rcn.com) Date: Fri, 23 Aug 2002 02:55:57 -0400 (EDT) From: "Christopher J. Umina" To: Edwin Groothuis Cc: freebsd-questions@freebsd.org Subject: Re: expr replacement In-Reply-To: <20020823063308.GL785@k7.mavetju> Message-ID: <20020823025441.O44828-100000@216-164-225-145.c3-0.wth-ubr2.sbo-wth.ma.cable.rcn.com> MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: owner-freebsd-questions@FreeBSD.ORG Precedence: bulk List-ID: List-Archive: (Web Archive) List-Help: (List Instructions) List-Subscribe: List-Unsubscribe: X-Loop: FreeBSD.ORG When I do that it doesn't get the values for some reason and it gives me a divide by zero error... I think it's because Perl's looking for it's own variables, not the ones set in the shell script. But I can't think of a way to put them in there. The problem with expr is that I can't get to 2 decimal places. I really need that. On Fri, 23 Aug 2002, Edwin Groothuis wrote: > On Fri, Aug 23, 2002 at 02:21:14AM -0400, Christopher J. Umina wrote: > > I'm writing a simple shell script that finds percentages for me. > > The problem here is that when I do the division with expr I always get a > > result of 0 since it's below 1. Is there a replacement for this or am I > > just doing it wrong? Take a look.. This is my command. > > > > percentage=`expr $dirttl / $totalsongs` > > > > where $totalsongs = aroudn 1000 and dirttl = anywhere from 8 to 565. > > Use a bulldozer: percentage=`perl -e "print $dirttl / $totalsongs"` > > Edwin > -- > Edwin Groothuis | Personal website: http://www.MavEtJu.org > edwin@mavetju.org | Weblog: http://www.mavetju.org/weblog/weblog.php > bash$ :(){ :|:&};: | Interested in MUDs? http://www.FatalDimensions.org/ > To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-questions" in the body of the message