.DEFINEIF Macro

Defines a variable and initializes its value if the test value is not null

Syntax

.DEFINEIF "test_value" "variable" "value"

Argument	Description
test_value	Value to test
variable	Variable name (without % signs)
value	Variable value (may include another variable surrounded by % signs)

For example, to define a variable for a default data type:

%DEFAULT%
.DEFINEIF "%DEFAULT%" "_DEFLT"" "%DEFAULT%"
Add %COLUMN% %DATATYPE% %_DEFLT%