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Shell Programming and Scripting

Help with total up all column info

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# 1  
Old 11-15-2011
Help with total up all column info
Input file
Code:
11916	30640	9320	51876
5690	15874	4723	26287
5121	12269	2569	19959
9	71	6	86

Desired output file
Code:
11916	30640	9320	51876
5690	15874	4723	26287
5121	12269	2569	19959
9	71	6	86
22736 58854 16618 98208

Last part is the total up of first three data.
I used the following command. But it only able to calculate one by one:
Code:
[home]awk '{total = total + $1}END{print total}' input_file.txt
22736

Thanks for any advice.
# 2  
Old 11-15-2011
You basically have it - where is the problem to add 3 more variables and calculate their sums too? Do you understand the code that you posted?

I will delete all answers if OP does not show any effort before - thanks for your understanding.
# 3  
Old 11-15-2011
try the for loop in awk.
# 4  
Old 11-15-2011
Thanks a lot for your hits.
Thanks for hits.
After I try the following command, it gives the sum of all column.
Code:
[home]awk '{total = total + $1;total2 = total2 + $2;total3 = total3 + $3;total4 = total4 + $4}END{print total,total2,total3,total4}' input_file.txt
22736 58854 16618 98208

Is it I should cat the above figure with the raw input data to get desired output result?
Got any faster way to solve it?
Thanks for advice.
# 5  
Old 11-15-2011
Do you read my reply, do you work on for loop in awk?
For Statement - The GNU Awk User's Guide
# 6  
Old 11-15-2011
Hi rdcwayx,

I got read your reply.
Just can't really link it with the loop in my case Smilie
# 7  
Old 11-15-2011
Code:
awk '{for (i=1;i<=NF;i++) a[i]+=$i}{print}        # get the sum for each column, and save in the array a
    END{for (i=1;i<=NF;i++)printf a[i] "\t"}' infile           # print result for each column

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