例題
[P2803.cob] 000001 IDENTIFICATION DIVISION. 000002 PROGRAM-ID. P2803. 000003 ENVIRONMENT DIVISION. 000004 INPUT-OUTPUT SECTION. 000005 FILE-CONTROL. 000006 SELECT PRFILE1 ASSIGN TO GS-SYS001 000007 SYMBOLIC DESTINATION IS WDST 000008 MESSAGE CODE IS WMSC. 000009 I-O-CONTROL. 000010 DATA DIVISION. 000011 FILE SECTION. 000012 FD PRFILE1. 000013 01 PRF1REC. 000014 02 PIC X(80). 000015 WORKING-STORAGE SECTION. 000016 01 WDST PIC X(3). 000017 01 WMSC PIC N(2). 000018 PROCEDURE DIVISION. 000019 END PROGRAM P2803.
P2803.cob 8: JMN2803I-S MESSAGE CODE句のデータ名は,英数字項目または符号なし外部10進整数項目でなければなりません.