IF

If the specified expression evaluates to TRUE, then the following statement is executed. If the expression evaluates to FALSE, then the following statement is skipped.

Syntax:

      *----------------------------------------------------------------
      *    IF OPERANDS
      *   // IF 
      *      var1 + operator val
      *      ( {AND/OR}
      *      var2 + operator val)
      *     THEN
      *----------------------------------------------------------------

Where:

var: A $RC, $MRC or a parameter name.
operator: EQ or =, NE or ^=, GT or >, LT or <, GR or >+, LE or <+
val: Number to be compared to return code $RC or $MRC, or a character string to be compared to parameter name.