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how to put nil at the end of each records.
Hello,
I have a file with 100,000 records. Each record have many fileds and used "," to split (like below): 0100,apple,john,2233,N,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,IDN, 0201,steve,2435,N,0,49,6.658,0,6.658,37.104302,0,0,0,0,0,37.104302,0,49,6.658,0,6.658,37.104302,UAE, AED 222,cu1,marry,2436,N,0,3,0.416,0,0.416,2.318322,0,0,0,0,0,2.318322,0,3,0.416,0,0.416,2.318322,UAE,AE D however, some of them at the end is empty. Can i put the NIL? Itried to use "sed -e "s/,,/,NIL,/g" a.txt > b.txt", but it's not work. expected output: 0100,apple,john,2233,N,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,IDN,NIL 0201,steve,2435,N,0,49,6.658,0,6.658,37.104302,0,0,0,0,0,37.104302,0,49,6.658,0,6.658,37.104302,UAE, AED 222,cu1,marry,2436,N,0,3,0.416,0,0.416,2.318322,0,0,0,0,0,2.318322,0,3,0.416,0,0.416,2.318322,UAE,AE D or check the front information and put the same? 0100,apple,john,2233,N,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,IDN, 0100,orange,et,2233,N,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,IDN,ACC 0201,steve,2435,N,0,49,6.658,0,6.658,37.104302,0,0,0,0,0,37.104302,0,49,6.658,0,6.658,37.104302,UAE, AED 222,cu1,marry,2436,N,0,3,0.416,0,0.416,2.318322,0,0,0,0,0,2.318322,0,3,0.416,0,0.416,2.318322,UAE, OUTPUT: 0100,apple,john,2233,N,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,IDN,ACC 0100,orange,et,2233,N,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,IDN,ACC 0201,steve,2435,N,0,49,6.658,0,6.658,37.104302,0,0,0,0,0,37.104302,0,49,6.658,0,6.658,37.104302,UAE, AED 222,cu1,marry,2436,N,0,3,0.416,0,0.416,2.318322,0,0,0,0,0,2.318322,0,3,0.416,0,0.416,2.318322,UAE,AE D 
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