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Sum a column value based on multiple keys

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# 1  
Old 03-24-2010
Sum a column value based on multiple keys
Hi,

I have below as i/p file:

Code:
5ABC    36488989    K       000010000ASB                BYTRES
5PQR    45757754    K       000200005KPC                HGTRET
5ABC    36488989    K       000045000ASB                HGTRET
5GTH    36488989    K       000200200ASB                BYTRES
5FTU    45757754    K       000003002KPC                HGTRET
5FTU    45757754    K       007000001KPC                BYTRES
5GTH    36488989    K       062000100ASB                HGTRET
5PQR    45757754    K       000500000KPC                HGTRET

My o/p should be

Code:
5ABC    36488989    K       000055000ASB 
5GTH    36488989    K       062200300ASB 
5FTU    45757754    K       007003003KPC
5PQR    45757754    K       000700005KPC

Field in green - Key 1
Field in Red - key 2

For all the records having unique combination of key1 and key2, I need to add values in green.
For example I have below two rows for the combination of 36488989 and ABC. In the o/p I need
Code:
5ABC    36488989    K       sum(000010000 + 000045000)

Problem for me here is two keys to get the duplicate rows.
I am trying to use awk to get the solution.
Last edited by Franklin52; 03-24-2010 at 10:15 AM.. Reason: Please use code tags!
# 2  
Old 03-24-2010
Quote:
Originally Posted by nirnkv
I am trying to use awk to get the solution.
Where did you get stuck with your code?
# 3  
Old 03-24-2010
Assuming you meant you want to use awk not trying to use awk
And
You might need to modify the code if your first character starts other than 5 in first column and if the third column is not k...

Code:
awk '{v=substr($1,2);F[v" "$2]+=substr($4,1,9);FF[v" "$2]=substr($4,10)}END{
for(i in F){split(i,A," ");printf("5%s %d K %09d%s \n"),A[1],A[2],F[i],FF[i]}}' infile

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