## Script shell, how to calculate percentage?

 shell scripts Script shell, how to calculate percentage?
# 1
Script shell, how to calculate percentage?

hello,

jj and kk are two numbers which are the result of an sql program.

I would like to calculate the ratio jj/kk*100.

I have done this:
ratio=\$((jj/kk * 100)) or ratio=`expr \$jj \/ expr \$kk) but the result is 0

What can i do?
Thanks for help.

Last edited by radoulov; 08-04-2011 at 11:31 AM.. Reason: Code tags.
 likeaix View Public Profile for likeaix Find all posts by likeaix
# 2
math is with integers. multiply first by 100.
 neutronscott View Public Profile for neutronscott Visit neutronscott's homepage! Find all posts by neutronscott
# 3
there is a detailed link from DB which you can use to have an idea:

https://www.unix.com/shell-programmin...es-column.html
 EAGL� View Public Profile for EAGL� Find all posts by EAGL�
# 4
Hi,

Try use 'bc':
Regards,
Birei
 birei View Public Profile for birei Find all posts by birei

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