Set env variables using srvctl - oracle database script

-- setenv to set env variables.(ORCL is the db_unique_name)  srvctl setenv database -db ORCL -env "ORACLE_HOME=/oracle/app/oracle/product/12.1.0.2/dbhome_1"  srvctl setenv database -db ORCL -env "TNS_ADMIN=/oracle/app/oracle/product/12.1.0.2/dbhome_1/network/admin"  --getenv to view the env setting:  srvctl getenv database -db ORCL