96 lines
2.7 KiB
COBOL
96 lines
2.7 KiB
COBOL
IDENTIFICATION DIVISION.
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PROGRAM-ID. IDXIO03.
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ENVIRONMENT DIVISION.
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CONFIGURATION SECTION.
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SPECIAL-NAMES.
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DECIMAL-POINT IS COMMA.
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INPUT-OUTPUT SECTION.
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FILE-CONTROL.
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SELECT TEST-FILE
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ASSIGN TO "./idx_test.dat"
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ORGANIZATION IS INDEXED
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ACCESS MODE IS SEQUENTIAL
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RECORD KEY IS TR-KEY
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FILE STATUS IS TR-FS.
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DATA DIVISION.
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FILE SECTION.
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FD TEST-FILE
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LABEL RECORDS ARE STANDARD.
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01 TEST-REC.
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05 TR-GKEY.
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10 TR-KEY PIC 9(03).
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05 TR-REC-TYPE PIC X(02).
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05 TR-DESCRIPTION PIC X(60).
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WORKING-STORAGE SECTION.
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01 TR-FS PIC 9(02).
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01 W-COUNTER PIC 9(15).
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01 REM PIC 9(5).
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01 W01-SWITCHES PIC X(03).
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88 W01-END VALUE "YES".
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88 W01-MORE VALUE "NO".
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PROCEDURE DIVISION.
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0000-PROGRAM-ENTRY.
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PERFORM A000-INITIALIZE.
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0000-LOOP.
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PERFORM C000-PROCESS THRU C000-EXIT .
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IF W01-SWITCHES = "NO"
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GO TO 0000-LOOP.
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PERFORM B000-HOUSEKEEPING.
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STOP RUN.
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A000-INITIALIZE.
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OPEN INPUT TEST-FILE.
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MOVE LOW-VALUES TO TR-GKEY.
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DISPLAY "ISO2:(" TR-FS "):(00):S/INDEX READ OPEN".
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MOVE "NO" TO W01-SWITCHES.
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MOVE 0 TO W-COUNTER.
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B000-HOUSEKEEPING.
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CLOSE TEST-FILE.
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DISPLAY "ISC2:(" TR-FS "):(00):S/INDEX READ CLOSE".
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C000-PROCESS.
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* ADD 1 TO W-COUNTER.
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* MOVE W-COUNTER TO TR-KEY.
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READ TEST-FILE NEXT.
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IF TR-FS NOT = 0
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MOVE "YES" TO W01-SWITCHES
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GO TO C000-EXIT.
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IF TR-KEY = 1
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DISPLAY "IS21:(" TR-FS "):(00):S/INDEX FILE READ"
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DISPLAY "IS22:(" TR-REC-TYPE "):(UR):S/INDEX FILE READ".
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IF TR-KEY = 50
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DISPLAY "IS23:(" TR-FS "):(00):S/INDEX FILE READ"
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DISPLAY "IS24:(" TR-REC-TYPE "):(S1):S/INDEX FILE READ".
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IF TR-KEY = 75
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DISPLAY "IS21:(" TR-FS "):(00):S/INDEX FILE READ"
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DISPLAY "IS22:(" TR-REC-TYPE "):(UR):S/INDEX FILE READ".
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IF TR-KEY = 100
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DISPLAY "IS23:(" TR-FS "):(00):S/INDEX FILE READ"
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DISPLAY "IS24:(" TR-REC-TYPE "):(S2):S/INDEX FILE READ".
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IF TR-KEY = 200
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DISPLAY "IS23:(" TR-FS "):(00):S/INDEX FILE READ"
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DISPLAY "IS24:(" TR-REC-TYPE "):(S3):S/INDEX FILE READ".
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IF TR-KEY = 998
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DISPLAY "IS23:(" TR-FS "):(00):S/INDEX FILE READ"
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DISPLAY "IS24:(" TR-REC-TYPE "):(S4):S/INDEX FILE READ".
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C000-EXIT.
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EXIT.
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