how I can add a constant to a field without changing the file format


 
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# 8  
Old 05-26-2010
I'll opt for gawk for this problem
Code:
gawk '{print gensub($6,($6-34),(match($0,$6)<20)?2:1)}' file


Last edited by danmero; 05-26-2010 at 10:50 PM.. Reason: Not final
# 9  
Old 06-08-2010
sorry for my late response but thank you very much for your suggestions
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