Date: Thu, 14 Aug 2003 16:49:20 +0100 From: Jez Hancock <jez.hancock@munk.nu> To: freebsd-questions@freebsd.org Subject: Re: Using bc in bash script Message-ID: <20030814154920.GA74582@users.munk.nu> In-Reply-To: <001201c3627b$44047c70$04fea8c0@moe> References: <001201c3627b$44047c70$04fea8c0@moe>
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On Thu, Aug 14, 2003 at 10:46:45AM -0500, Charles Howse wrote: > Hello List, > > I've migrated from Redhat Linux 9 to FreeBSD 4.8-RELEASE, character mode > - no gui. > > I'm trying to calculate the number of seconds between $start_time and > $end_time in a bash script. > > Start_time=`date +%s` # Seconds past midnight at start of script > [ do lots of stuff ] > End_time=`date +%s` # Seconds past midnight at end of script > > Then I want to: et=`bc $end_time - $start_time` to get the number of > seconds or fractions of seconds elapsed. How about: et=`echo "$end_time - $start_time" | bc` -- Jez http://www.munk.nu/
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