How to generate monitoring file with date suffix.

begin

declare v_n int;   

declare @v_mode varchar(50);

declare @v_date date;

select getdate() into @v_date;

set @v_mode='-summary -interval 5 -file_suffix';

set v_n=1;

execute immediate 'iq utilities main into monitor_dummy start monitor '''||@v_mode|| ' ' ||@v_date||'''';

while v_n <= 10 loop

    waitfor delay '01:00:00';

rollback;

      set v_n=v_n+1;

    end loop;

iq utilities main into monitor_dummy stop monitor;

end ;