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Thread: Adding Leading Zero with Right Justified and Removing Duplicates
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Old 03-18-2009
summer_cherry summer_cherry is offline Forum Advisor  
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Join Date: Jun 2007
Location: Beijing China
Posts: 1,092
Hi, hope below can help you.
But really do not know how many leading '0' you are expecting.


Code:
awk -F"," '{
        if(_[$1]==0){
                _[$1]=1
                print $0
        }
}' a > t1
join -t"," -11 -25 t1 b