column dat1 new_value filename;
set echo off;
set verify off;
set feedback off;
set heading off;
set termout off;
set trimout on;
set trimspool on;
set wrap off;
set pagesize 0;
set linesize 9999;
set timing OFF;
set colsep chr(9);
SPOOL path
select *from yourtable
SPOOL OFF;