What Command Do I Need To Use To grep For A Changing Value Without Having To Change My Command. eg LINE6=XXX1XXX, For Which "1" = "2" The Following Day: LINE6=XXX2XXX And The Following Day "2" = "3": LINE6=XXX3XXX And So On. My Grep Result Should Show 1 on Monday, 2 on Tuesday and 3 on Wednessday.