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Indexed files Relative Files Sequential Files EVALUATE COMPUTE READ WRITE REWRITE START Report Writer Report Section INITIATE GENERATE TERMINATE COBOL Example COBOL Source Codes
$ SET SOURCEFORMAT "FREE"
IDENTIFICATION DIVISION.
PROGRAM-ID. Aroma96exam.
AUTHOR. Michael Coughlan.
ENVIRONMENT DIVISION.
INPUT-OUTPUT SECTION.
FILE-CONTROL.
SELECT Oil-Details-File ASSIGN TO "ODF.DAT"
ORGANIZATION IS INDEXED
ACCESS MODE IS DYNAMIC
RECORD KEY IS Oil-Num-ODF
ALTERNATE RECORD KEY IS Oil-Name-ODF
WITH DUPLICATES
FILE STATUS IS ODF-Status.
SELECT Oil-Stock-File ASSIGN TO "OSF.DAT"
ORGANIZATION IS RELATIVE
ACCESS MODE IS DYNAMIC
RELATIVE KEY IS Rel-Rec-Num
FILE STATUS IS OSF-Status.
SELECT Trans-File ASSIGN TO "TRANS.DAT"
ORGANIZATION IS LINE SEQUENTIAL.
SELECT Report-File ASSIGN TO "OILSTOCK.RPT".
SELECT Error-File ASSIGN TO "ERROR.DAT"
ORGANIZATION IS LINE SEQUENTIAL.
DATA DIVISION.
FILE SECTION.
FD Oil-Details-File.
01 ODF-Rec.
88 End-Of-ODF VALUE HIGH-VALUES.
02 Oil-Num-ODF PIC 9(4).
02 Oil-Name-ODF PIC X(20).
02 Unit-Size-ODF PIC 9(2).
02 Unit-Cost-ODF PIC 99V99.
FD Oil-Stock-File.
01 OSF-Rec.
02 Oil-Num-OSF PIC 9(4).
02 Qty-In-Stock-OSF PIC 9(5).
FD Trans-File.
01 Trans-Rec.
88 End-Of-Trans VALUE HIGH-VALUES.
02 Type-Code PIC 9.
88 Add-To-Stock VALUE 1.
88 Remove-From-Stock VALUE 2.
02 Oil-Num.
03 Rel-Rec-Num PIC 9(3).
03 FILLER PIC 9.
02 Qty PIC 9(5).
FD Error-File.
01 Error-Rec PIC X(10).
FD Report-File REPORT IS Oil-Stock-Report.
WORKING-STORAGE SECTION.
01 Status-Codes.
02 ODF-Status PIC X(2).
02 OSF-Status PIC X(2).
88 No-Error-Found VALUE "00".
88 Rec-Not-Found VALUE "23".
01 Stock-Value PIC 9(5)V99.
REPORT SECTION.
RD Oil-Stock-Report
CONTROLS ARE FINAL
Oil-Name-ODF
PAGE LIMIT IS 66
HEADING 2
FIRST DETAIL 8
LAST DETAIL 50
FOOTING 55.
01 TYPE IS REPORT HEADING.
02 LINE 2.
03 COLUMN 15 PIC X(18) VALUE "OIL STOCK REPORT".
02 LINE 3.
03 COLUMN 13 PIC X(22) VALUE ALL "-".
01 TYPE IS PAGE HEADING.
02 LINE 6.
03 COLUMN 03 PIC X(9) VALUE "OIL NAME".
03 COLUMN 23 PIC X(4) VALUE "OIL#".
03 COLUMN 29 PIC X(4) VALUE "SIZE".
03 COLUMN 36 PIC X(3) VALUE "QTY".
03 COLUMN 44 PIC X(11) VALUE "STOCK VALUE".
01 Stock-Detail-Line TYPE IS DETAIL.
02 LINE IS PLUS 2.
03 COLUMN 01 PIC X(20) SOURCE Oil-Name-ODF GROUP INDICATE.
03 COLUMN 23 PIC 9(4) SOURCE Oil-Num-ODF.
03 COLUMN 30 PIC 99 SOURCE Unit-Size-ODF.
03 COLUMN 35 PIC ZZ,ZZ9 SOURCE Qty-In-Stock-OSF.
03 COLUMN 44 PIC $$$,$$9.99 SOURCE Stock-Value.
01 TYPE IS CONTROL FOOTING Oil-Name-ODF NEXT GROUP PLUS 1.
02 LINE IS PLUS 2.
03 COLUMN 27 PIC X(15) VALUE "TOTAL OIL VALUE".
03 Oil-Val COLUMN 44 PIC $$$$,$$9.99 SUM Stock-Value.
01 TYPE IS CONTROL FOOTING FINAL.
02 LINE IS PLUS 3.
03 COLUMN 27 PIC X(17) VALUE "TOTAL STOCK VALUE".
03 COLUMN 46 PIC $$,$$$,$$9.99 SUM Oil-Val.
PROCEDURE DIVISION.
Begin.
OPEN I-O Oil-Details-File.
OPEN I-O Oil-Stock-File.
OPEN OUTPUT Error-File.
OPEN INPUT Trans-File.
READ Trans-File
AT END SET End-Of-Trans TO TRUE
END-READ.
PERFORM Process-Transactions UNTIL End-Of-Trans.
CLOSE Error-File.
CLOSE Trans-File.
OPEN OUTPUT Report-File.
INITIATE Oil-Stock-Report.
MOVE SPACES TO Oil-Name-ODF.
START Oil-Details-File
KEY IS GREATER THAN Oil-Name-ODF
INVALID KEY DISPLAY "Start Error FS = " ODF-Status
END-START.
READ Oil-Details-File NEXT RECORD
AT END SET End-Of-ODF TO TRUE
END-READ.
PERFORM Print-Stock-Report UNTIL End-Of-ODF.
TERMINATE Oil-Stock-Report.
CLOSE Oil-Details-File.
CLOSE Oil-Stock-File.
STOP RUN.
Process-Transactions.
READ Oil-Stock-File
INVALID KEY DISPLAY "OSF rec not found FS = " OSF-Status
END-READ.
IF No-Error-Found
EVALUATE TRUE
WHEN Add-To-Stock ADD Qty TO Qty-In-Stock-OSF
WHEN Remove-From-Stock SUBTRACT Qty FROM Qty-In-Stock-OSF
WHEN OTHER DISPLAY "Type code not 1 or 2 Rec = " Trans-Rec
END-EVALUATE
REWRITE OSF-Rec
INVALID KEY DISPLAY "Problem on REWRITE FS= " OSF-Status
END-REWRITE
ELSE IF Rec-Not-Found
WRITE Error-Rec FROM Trans-Rec
END-IF
END-IF.
READ Trans-File
AT END SET End-Of-Trans TO TRUE
END-READ.
Print-Stock-Report.
MOVE Oil-Num-ODF TO Oil-Num
READ Oil-Stock-File
INVALID KEY DISPLAY "Error on reading OSF SF= " OSF-Status
END-READ.
COMPUTE Stock-Value = Unit-Cost-ODF * Qty-In-Stock-OSF.
GENERATE Stock-Detail-Line.
READ Oil-Details-File NEXT RECORD
AT END SET End-Of-ODF TO TRUE
END-READ.