Elapsed time ?

Paul Howarth paul at city-fan.org
Sun Mar 12 09:38:10 UTC 2006


On Sun, 2006-03-12 at 02:38 -0500, M. Lewis wrote:
> I'm trying to get the elapsed time. The following gives me '1', however 
> I would like it to give me 1.98333333. Where am I missing the boat?
> 
> 
> #!/bin/sh
> 
> TIME1=`date +%s`
> echo $TIME1
> sleep 119
> TIME2=`date +%s`
> echo $TIME2
> 
> 
> ELTIME=$[ ($TIME2 - $TIME1)/60 ]
> echo $ELTIME

Try using something that handles floating point numbers better:

ELTIME=$(echo "scale = 8; ($TIME2 - $TIME1)/60" | bc)

Paul.




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