rman generate script set until time

 
echo 'run {'  >  test2.cmd
echo 'allocate channel t1' >> test2.cmd
echo 'set until time="to_date('\'''`date "+%Y-%m-%d %H:%M:%S"`''\'','\''YYYY-MM-DD hh24:mi:ss'\'')";' >> test2.cmd
echo 'set newname for database to '+datadg';'  >> test2.cmd
echo 'restore database;' >> test2.cmd
echo 'switch  datafile all;' >> test2.cmd
echo 'recover database;' >> test2.cmd
echo 'release channel t1;' >> test2.cmd
echo '}' >> test2.cmd