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how to get difference of two columns

 
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# 1  
Old 02-09-2009
how to get difference of two columns
hey guys i want to divide the 2nd column with the first column using any command of unix
help would be appreciated

input
set1
10
40
set2
12
60

output
2
20
# 2  
Old 02-09-2009
With a little help from the "Search" button:

https://www.unix.com/cfmgoogle.php?cx...sa=Search#1313
# 3  
Old 02-09-2009
Addition of the values. Sorry not substraction this time
Thanq u
but my file is little bit complicated. all values of column 1 and 2 are in 2 seperate single cells!!!!!!

input
column1
0,9607,12887,24088,
column2
579,248,404,385

output
579,9855,13291,24473
# 4  
Old 02-09-2009
sorry not subtraction , this time addition!!!!
!!!!!!!!!!!!!!!!!!!!!!!
# 5  
Old 02-09-2009
You can still use the little "Search" button, man. I found some threads similar with this one, but here goes:

Code:
awk 'BEGIN {FS=","} { for (i=1;i<=NF;i++) sum[i]=sum[i] + $i } END { for (i=1;i<=NF;i++) printf("%d,", sum[i]) }' foo

# 6  
Old 02-09-2009
but its printing the input numbers as it is in output
I'm unable to get the result
Sorry for the trouble man
# 7  
Old 02-09-2009
Hmmm...Could you post sample input and output?

I got the ff:

Code:
$ cat foo
0,9607,12887,24088,
579,248,404,385

$ awk 'BEGIN {FS=","} { for (i=1;i<=NF;i++) sum[i]=sum[i] + $i } END { for (i=1;i<=NF;i++) printf("%d,", sum[i]) }' foo
579,9855,13291,24473,

 
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