How to add two large values - Shell Programming and Scripting

Omkumar · #1 05-19-2005

Hi,

Gives me wrong value when,

$ echo `expr 2221753117 + 299363384`
-1773850795

How to overcome this?

Appreciate any help on this.

-Om

bobbyjohnz · #2 05-19-2005

#/bin/ksh
number1=9888673663678977
number2=79872372378273472379837
result=`bc << EOF
$number1 + $number2
EOF`
echo "$number1 + $number2 = $result"

Try this script.

Omkumar · #3 05-20-2005

Thanks for your script. It helped me a lot today.......

Thanks Again.
-Om

zazzybob · #4 05-21-2005

or more simply
result=`echo "2221753117 + 299363384" | bc`

Cheers
ZB

r2007 · #5 06-09-2005

or

Code:

dc -e '2221753117 299363384+p'

muthukumar · #6 06-10-2005

You can simply try as,

echo $((2221753117 + 299363384))

hth.

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