[HPADM] SUMMARY How to find percent in a script

From: Brendan Doherty (bdoherty@itl.ca)
Date: 04/24/03

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    Date: Thu, 24 Apr 2003 11:45:34 -0400
From: "Brendan Doherty" <bdoherty@itl.ca>
To: "hpux-admin@dutchworks.nl" <hpux-admin@dutchworks.nl>

    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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