Copy files from ASM to filesystem

sqlplus / as sysdba
CREATE OR REPLACE DIRECTORY log_files AS '+FRA1/demo/archive_logs' ;
CREATE DIRECTORY DSK_FILES AS '/u01/scott';
exec DBMS_FILE_TRANSFER.COPY_FILE ( 'log_files' , '2_4553_621298904.dbf' , 'dsk_files' , '2_4553_621298904.dbf' );