How to find a duplicate course

One way duplicates can be created is by coding two different courses with the same .coursecode.  Here's how to find the duplicate course codes:

$search
SEARCH V6.8-01 - Peruse a Data File 10:49 AM
Copyright (c) 2000, Campus America, Inc.
Data File Name <COURSE>?
Type "HELP" for assistance

Option? key
Constant fields to display <NONE>? .coursecode

Course ID? HU3912 01063S
HU-3912 01 06/3S Internship
Record number: 5013
53> Course Code: 1328

Course ID?

Option?

Finished 10:52 AM

$sort
SORT V6.8-01 - DMS-Plus File Sorting Program 10:52 AM
Copyright (c) 2000, Campus America, Inc.
Data File Name <COURSE>?

Fields to Sort (15 Maximum)
Level 1...Field?
No Sorting requested

Select out special records <NO>? y

Criterion A
Field? coursecode
Low ? 1328/any

Criterion B
Field?

Selection statement? a
Field extraction/Pointer build started 10:52 AM
Pointers to 2 records constructed. 10:52 AM

Finished 10:52 AM

REG_JOANNE> point
POINTER V6.8-01 - DMS-Plus Quick Pointer File Builder 10:52 AM
Copyright (c) 2000, Campus America, Inc.
Data File Name <COURSE>?
Type "HELP" for assistance

Option? sho
Rec 5013 HU-3912 01 06/3S Internship
Rec 5014 BU-4912 01 06/3S Internship