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Re: Timing an operation
From: |
Chet Ramey |
Subject: |
Re: Timing an operation |
Date: |
Thu, 24 May 2007 12:00:40 -0400 |
User-agent: |
Thunderbird 2.0.0.0 (Macintosh/20070326) |
Paul Jarc wrote:
> date1=`perl -e 'print time()'`
> ...
> date2=`perl -e 'print time()'`
> interval=`expr "$date2" - "$date1"`
This general approach can be used without invoking any external programs:
date1=$SECONDS
...
date2=$SECONDS
interval=$(( $date2 - $date1 ))
Chet
--
``The lyf so short, the craft so long to lerne.'' - Chaucer
Live Strong. No day but today.
Chet Ramey, ITS, CWRU chet@case.edu http://cnswww.cns.cwru.edu/~chet/