the data in the system file.
The first call to C<get_next_case> after C<open> has been called retrieves
the first case in the system file. Each subsequent call retrieves the next
the data in the system file.
The first call to C<get_next_case> after C<open> has been called retrieves
the first case in the system file. Each subsequent call retrieves the next
to the print format of C<variable>.
In the most common ussage, C<value> should be a value of C<variable>.
to the print format of C<variable>.
In the most common ussage, C<value> should be a value of C<variable>.