Conditional Array Definitions

[Frank McKinney]

May one safely define arrays on a conditional basis?
As in:
1. If: yr eq "04"
 Then:DIM cum[ 14](12,):15

2. If yr eq "03"
 Then: DIM cum[14](12,.):30

Using SCO 5.0.5 and filepro 4.5 

Thanks in advance for your answer.

Frank Mc Kinney