埋め込みの説明
@1@ : ファイル名
例題
[C3123.cob] 000001 IDENTIFICATION DIVISION. 000002 PROGRAM-ID. C3123. 000003 ENVIRONMENT DIVISION. 000004 INPUT-OUTPUT SECTION. 000005 FILE-CONTROL. 000006 SELECT FILE-1 ASSIGN TO DA-S-SYS001. 000007 SELECT FILE-2 ASSIGN TO DA-S-SYS002. 000008 SELECT FILE-3 ASSIGN TO DA-S-SYS003. 000009 SELECT FILE-4 ASSIGN TO DA-S-SYS004. 000010 DATA DIVISION. 000011 FILE SECTION. 000012 SD FILE-1. 000013 01 REC-1. 000014 02 KEY-1 PIC XX. 000015 02 FILLER PIC X(78). 000016 FD FILE-2 LABEL RECORD STANDARD. 000017 01 REC-2 PIC X(80). 000018 FD FILE-3 LABEL RECORD STANDARD. 000019 01 REC-3 PIC X(80). 000020 FD FILE-4 LABEL RECORD STANDARD. 000021 01 REC-4 PIC X(80). 000022 PROCEDURE DIVISION. 000023 MERGE FILE-1 ON ASCENDING KEY KEY-1 000024 USING FILE-2 FILE-2 000025 GIVING FILE-4. 000026 STOP RUN.
C3123.cob 24: JMN3123I-S MERGE文のUSING指定またはGIVING指定に,同じファイルを2回以上指定できません.ファイル'FILE-2'は,無効になります.