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Script to add columns

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# 1  
Old 03-19-2014
Linux Script to add columns
I want to add all the columns in the file below
Code:
1 4 5 6
2 7 8 9
6 7 9 5

Output:
Code:
1+2+6  4+7+7 5+8+9 6+9+5

Any suggestions will be appreciated. Thank you
Last edited by Scrutinizer; 03-19-2014 at 03:23 PM.. Reason: code tags
# 2  
Old 03-19-2014
Can you post your attempts at resolving this problem as well?
# 3  
Old 03-19-2014
Code:
awk '{sum += $1} END{print sum}' filename

but i'm not sure how to print rest of the columns, it gives the output of only first column
Last edited by Scrutinizer; 03-19-2014 at 03:23 PM.. Reason: code tags
# 4  
Old 03-19-2014
Use a for loop with array to sum each column:
Code:
awk '
{
        for ( i = 1; i <= NF; i++ )
                A[i] += $i
}
END {
        for ( i = 1; i <= NF; i++ )
                printf "%d ", A[i]

        printf "\n"
} ' file

This User Gave Thanks to Yoda For This Post:
jacobs.smith
# 5  
Old 03-19-2014
NB in a 32-bit awk printf can print large values only with %.f instead of %d.
# 6  
Old 03-19-2014
Thanks Yoda, that worked. Appreciated.
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