A sample control file from ORACLE :

--
-- $Header: ulcase6.ctl 09-mar-99.22:22:13 mjaeger Exp $ ulcase6.ctl
--
-- Copyright (c) Oracle Corporation 1991, 1997, 1999. All Rights Reserved.
--
-- NAME
-- ulcase6.ctl -
-- DESCRIPTION
--
-- RETURNS
--
-- NOTES
--
-- MODIFIED (MM/DD/YY)
-- mjaeger 03/08/99 - bug 808870: OCCS: convert tabs, no long lines
-- msakayed 09/02/97 - remove nullif on empno
-- jhealy 01/27/95 - merge changes from branch 1.2.720.1
-- ksudarsh 11/06/92 - infile is ulcase6
-- cheigham 08/28/91 - Creation
--

load data
infile 'ulcase6.dat'
replace
into table emp
sorted indexes (empix)
(empno position(1:4),
ename position(6:15),
job position(17:25),
mgr position(27:30) nullif mgr=blanks,
sal position(32:39) nullif sal=blanks,
comm position(41:48) nullif comm=blanks,
deptno position(50:51) nullif empno=blanks
)