Script to check RMAN backup status

RMAN:
set lines 300
set pagesize 3000
COLUMN percent FORMAT 999.99
select sid "Session Id",sofar*8/1024/1024 "Completed Gb",TOTALWORK*8/1024/1024 "Total Size in Gb" ,ROUND(SOFAR/TOTALWORK*100,2) "Completed  %",time_remaining/60/60 "Expected Time in Hr" FROM V$SESSION_LONGOPS  WHERE OPNAME LIKE 'RMAN%' AND OPNAME NOT LIKE '%aggregate%' AND
TOTALWORK !=0 AND SOFAR < TOTALWORK;