Daily Maintenance completion check script?

Summary: There is a script example provided in the "EPM Common" guide that you are supposed to be able to run to check the automatic maintenance window time, then it should either sleep until the maintenance window starts or, once the maintenance starts, it continues trying to login to determine when the maintenance window completes. The advantage of this script is to be able to save whatever amount of time is possible so that users get notified that the system is available earlier than the 1 hour time limit Oracle guarantees to complete the daily maintenance. Alternatively, If/when the