Warning: compiled but with compilation errors
begin
    output := utl_file.fopen( 'ORSC_REPORTS', 'emp1.slk', 'w',32000 );

    owa_sylk.show(
        p_file => output,
        p_query => 'select empno id, ename employee,
                           sal Salary, comm commission ' ||
                   'from emp ' ||
                   'where job = :JOB ' ||
                   'and sal > :SAL',
        p_parm_names => 
               owa_sylk.owaSylkArray( 'JOB', 'SAL'),
        p_parm_values =>
                 owa_sylk.owaSylkArray( 'MANAGER', '2000' ),
       p_sum_column =>
                 owa_sylk.owaSylkArray( 'N', 'N', 'Y', 'Y'),
        p_show_grid => 'NO' );

    utl_file.fclose( output );
end;
Error at line 3
ORA-06550: line 2, column 5:
PLS-00201: identifier 'OUTPUT' must be declared
ORA-06550: line 2, column 5:
PL/SQL: Statement ignored
ORA-06550: line 5, column 19:
PLS-00201: identifier 'OUTPUT' must be declared
ORA-06550: line 4, column 5:
PL/SQL: Statement ignored
ORA-06550: line 19, column 22:
PLS-00201: identifier 'OUTPUT' must be declared
ORA-06550: line 19, column 5:
PL/SQL: Statement ignored