Purpose

IN-RANGE tests whether a value is within or equal to the limits of a specified range.
 

Syntax

IF value IN-RANGE ‘low-limit’ ,‘high-limit’ THEN statement;
 

Operation

value is the value to be tested.  This can be an alphanumeric, wide, or numeric variable.
low-limit is the lower limit of the range.
high-limit is the upper limit of the range
 

Remarks
 

Example

IF $CHAR IN-RANGE "A","Z" THEN STEP(3);
is equivalent to:

If $CHAR >= "A" and $CHAR <= "Z"’ then STEP(3);