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Adding the values of two file

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# 1  
Old 04-06-2009
Adding the values of two file
I have two files as Count1 and Count2. The count contains only one values as 10 and count2 contains only one
values as 20. Now I want third file Count3 as count1+Count2. That is it should contain sum of two file(10+20=30)
# 2  
Old 04-06-2009
a=`cat count1`
b=`cat count2`
c=`expr $a + $b`
echo $c > count3
# 3  
Old 04-06-2009
considering that you have single value in each file and you need to add those two values and put it into another file,here is the solution

(( value = `cat count1` + `cat count2` ))
echo "$value" >> count3

Done!
# 4  
Old 04-06-2009
Or:

Code:
awk '{s+=$0}END{print s}' count1 count2 > count3

Regards
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