The data file provided contains an action, followed by a variable number of integers. Write an awk script that will start with a sum of 0 and then perform the action specified on each row before returning the sum of all lines. You may accomplish this using pattern matching, or conditionals. Data file:
ADD,1,3,5,8,10,11,54
SUB,1,2,3,4
ADD,15,18,21,42,37
ADD,1,1,1,0,0,3,16
ADD,4,1,8,0,4,6,13,16,17,20,8,6,4
SUB,13,8