拔罐治风湿:COBOL - SAMPLE - PS REWRITE & DELETE

来源：百度文库编辑：偶看新闻时间：2024/04/27 13:51:24

1. REWRITEENVIRONMENT DIVISION.
INPUT-OUTPUT SECTION.
FILE-CONTROL.
    SELECT EMP-FILE ASSIGN TO EMPFIL
      ORGANIZATION   IS SEQUENTIAL
      ACCESS MODE    IS SEQUENTIAL
      FILE STATUS    IS WS-EMPFIL-STATUS.
   PROCEDURE DIVISION.              OPEN I-O    EMP-FILE.                                                -> open mode must be I-O     READ EMP-FILE MOVE 'WANG ZHONG JUN'     TO EMP-NAME
REWRITE EMP-FILE-REC                    CLOSE EMP-FILE.          2. DELETE      -> It is NOT possible to delete records of a seq file

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