HP-UX AAA Server A.08.02 Administrator's Guide

arbitrary depth. When the else clause is omitted, <action-list2> can be considered as
an empty sequence of action commands.
Operation
The if command first evaluates the boolean expression <bool-expr>. If <bool-expr> evaluates
to true, the sequence of action commands <action-list1> is executed. If <bool-expr>
evaluates to false and an else clause is present, the sequence of action commands
<action-list2> is executed.
Defining a Policy in a Decision File 307