From: Brendan Doherty (bdoherty@itl.ca)
Date: Thu Apr 24 2003 - 11:45:34 EDT
Hi thanks for all the responses.. it was an easy problem - just I could not see it.
here is one way to get % .
Brendan
The expr command works on integers and when dividing gives you modulus.
Because 20 divided by 80 is 0 remainder 20 that is why you are getting 0.
Try this:
VALUEONE=20
VALUETWO=80
PERCENT=`expr \( $VALUEONE \* 100 \) / $VALUETWO`
echo $PERCENT
You might like to change the echo statement to:
echo ${PERCENT}%
so you get a nice percent sign as well.
Brendan Doherty wrote:
> Hi I keep on getting 0 ... seems like it does not like to divide ...
> anyone know how to calculate a percent from to #'s
>
> VALUEONE=20
> VALUETWO=80
>
> PERCENT=`expr $VALUEONE / $VALUETWO \* 100 `
>
> echo $PERCENT
>
> ----
> I receive 0 ,,, it should be .25..
> 20/80 * 100 =0.25 ; seems like to 20/80 is returning 0.
>
> thanks
>
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