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Date: Thu, 14 Aug 2003 18:42:31 +0100 (BST)
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From: Richard Tobin <richard@cogsci.ed.ac.uk>
To: "Charles Howse" <chowse@charter.net>,
	<freebsd-questions@freebsd.org>
In-Reply-To: Charles Howse's message of Thu, 14 Aug 2003 10:46:45 -0500
Organization: just say no
Subject: Re: Using bc in bash script
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> I'm trying to calculate the number of seconds between $start_time and
> $end_time in a bash script.

Bash has built-in integer arithmetic:

  et=$[End_time - Start_time]

-- Richard