Date: Fri, 26 Mar 2004 14:18:38 +0000 From: "Richard P. Williamson" <richard.williamson@u4eatech.com> To: Jan Grant <Jan.Grant@bristol.ac.uk> Cc: freebsd-questions@freebsd.org Subject: Re: sleeping for 30 seconds Message-ID: <6.0.3.0.2.20040326140911.025b5cc0@cygnus> In-Reply-To: <Pine.GSO.4.58.0403261305560.20466@mail.ilrt.bris.ac.uk> References: <6.0.3.0.2.20040326103618.025871c0@cygnus> <Pine.GSO.4.58.0403261305560.20466@mail.ilrt.bris.ac.uk>
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At 13:08 26/03/2004, Jan Grant wrote: >On Fri, 26 Mar 2004, Richard P. Williamson wrote: > >You might, if the possibility is there, want to use the exit value of >the main process to indicate errors, which is perhaps a little more >reliable. Except it doesn't tell me how long it ran for before it falling over, which is the bit I need to look at. >If you want the time in seconds between two points, you might try >something like this: > > start_time=`date +%s` > # ... do something > end_time=`date +%s` > time_taken=$(($end_time - $start_time)) That's what I'm looking for, thanks! (that, and ) if [ $time_taken -lt 10 ]; then sleep 50 fi Regards, and thanks! rip
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