| EXIT 0 | GREP Sweeping domain
-h | EXIT 0 | GREP Help message
-v | EXIT 0 | GREP likwid-memsweeper
-c | EXIT 1 | GREP Option requires an argument
-c - | EXIT 1 | GREP Cannot parse node string
-c -1 | EXIT 1 | GREP Cannot parse node string
-c 0 | EXIT 0 | GREP Sweeping domain
-c 10 | EXIT 1 | GREP Cannot parse node string
