http://www.unix.com – Input file Code: 2 1159,310, 4 142,199,218,91, 3 91,273,349, Desired output result Code: 2 1469 4 650 3 713 I have long list of input file as shown above. It has a "," delimited to separate between each record in column 2. I would like to sum all the record in same line at column 2 to get the desired output result. The theory behind to manual calculate to get (HowTos)