:
:
ENVIRONMENT DIVISION.
:
INPUT-OUTPUT SECTION.
FILE-CONTROL.
SELECT Stamm ASSIGN TO "C:Stamm.dat"
ORGANIZATION IS INDEXED
ACCESS MODE IS DYNAMIC
RECORD KEY IS Stamm-Schl
FILE STATUS IS Stamm-Stat.
:
FILE SECTION.
FD Stamm.
01 Stamm-Satz.
05 Stamm-Schl PIC X(4).
05 Stamm-Daten PIC X(346).
:
PROCEDURE DIVISION.
:
OPEN Stamm.
:
MOVE "4711" TO Stamm-Schl.
READ Stamm INVALID KEY PERFORM Kein-Satz.
:
:
Kein-Satz SECTION.
:
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