Describe the input file or files for sorting or merging by following the procedure below.
ENVIRONMENT DIVISION.
INPUT-OUTPUT SECTION.
FILE-CONTROL.
SELECT Input-File ASSIGN TO InFile.
Input-File is the name of the file in your program. Use this name to refer to the file.
DATA DIVISION.
FILE SECTION.
FD Input-File
RECORD CONTAINS 100 CHARACTERS.
01 Input-Record PIC X(100).related tasks
Coding the input procedure
Requesting the sort or merge
related references
FILE SECTION entries