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Shell Programming and Scripting

add up the used space..

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# 1  
Old 01-31-2012
add up the used space..
I am trying to write a script to add up the used space on hp unix.

Below is the script what i am trying, but not getting the desired output.

can somebody guide me.


Code:
#!/bin/ksh
t1=bdf |grep /u01|awk '{print $2}'
t2=bdf |grep /u02|awk '{print $2}'
t3=bdf |grep /u03|awk '{print $2}'
t4=bdf |grep /u04|awk '{print $2}'
t='expr $t1+ expr $t2+expr $t3+ expr $t4'
echo $t

Moderator's Comments:
Mod Comment Please use [CODE][/CODE] tags where appropriate, thank you
Last edited by vbe; 01-31-2012 at 04:14 AM..
# 2  
Old 01-31-2012
Code:
t1=`bdf |grep /u01|awk '{print $2}'`
#Apply the above for all other t values
t=`expr $t1 + $t2 + $t3 + $t4`

This User Gave Thanks to itkamaraj For This Post:
bang_dba
# 3  
Old 01-31-2012
All in one
Code:
t=$(bdf |awk '/u0[1234]/{sum+=$2}END{print sum}' )

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