埋め込みの説明
@1@ : 呼び出し法
@2@ : ファイル名
@3@ : 'AT END'，'NOT AT END'，'INVALID KEY'，'NOT INVALID KEY'
例題
[C3147.cob] 000001 IDENTIFICATION DIVISION. 000002 PROGRAM-ID. C3147. 000003 ENVIRONMENT DIVISION. 000004 INPUT-OUTPUT SECTION. 000005 FILE-CONTROL. 000006 SELECT FILE-1 ASSIGN TO SYS001 000007 ORGANIZATION IS INDEXED 000008 ACCESS MODE IS RANDOM 000009 RECORD KEY IS KEY-REC. 000010 DATA DIVISION. 000011 FILE SECTION. 000012 FD FILE-1. 000013 01 REC-1. 000014 02 KEY-REC PIC XX. 000015 02 FILLER PIC X(78). 000016 PROCEDURE DIVISION. 000017 READ FILE-1 AT END GO TO L1. 000018 L1. STOP RUN.
C3147.cob 17: JMN3147I-S 乱呼出しのファイル'FILE-1'のREAD文に，AT END指定を記述することはできません．
