How to add columns based on a pattern using awk?

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How to add columns based on a pattern using awk?

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03-18-2013

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How to add columns based on a pattern using awk?

Hi,
I have a file with more than 1000 lines with ~14 columns. I need to find all the lines with matching value in column 14 and then add column 6 in all the lines before printing them out..

e.g if this is the input file:

Code:

abc test input 10 for process 2345
abc test input 15 for process 2348
abc test input 5 for process 2345
abc test input 10 for process 2346
abc test input 2 for process 2348

after running script i would need either:

Code:

abc test input 15 for process 2345
abc test input 17 for process 2348
abc test input 10 for process 2346

or

Code:

15 2345
17 2348
10 2346

Can some one help with a awk script?

TIA

Last edited by Franklin52; 03-18-2013 at 04:16 AM.. Reason: Please use code tags for data and code samples

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03-18-2013

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Code:

$ awk ' {arr[$NF]+=$4} END {for(i in arr){ print arr[i],i }} ' file
15 2345
10 2346
17 2348

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