if-then-else
-and
--DevMode = 1
--CheckpointSelected = 1
-modify-variable
--filename=DEV1_m2_01_a.sscp
-if-then-else
--CheckpointSelected = 2
--modify-variable
---filename=DEV1_m2_01_b.sscp
--if-then-else
---CheckpointSelected = 3
---modify-variable
----filename=DEV1_m2_01_c.sscp