I have a File that has duplicate records. I need only those records that occur more than
thrice.?
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Answer Posted / nsingh
DEFINE A TABLE
01 TABLE.
05 TABLE-A OCCURS 500 TIMES
INDEXED BY IDX
10 TEXT PIC X(100)
10 COUNT PIC9(4).
01 W-REC PIC X(100).
01 W-OUT PIC X(100).
01 SUB S9(4) COMP VALUE 0
PROCEDURE DIVISION.
INITIALIZE TABLE-A
READ-PARA.
READ F1 IN W-REC
AT END
SET IDX TO 1
PERFORM VARING SUB FROM 1 BY 1 UNTIL SUB > 500
IF COUNT(IDX) > 3
WRITE W-OUT FROM TEXT(IDX)
ELSE
SET IDX UP BY 1
END-IF
END-PERFORM
STOPRUN
NOT AT-END
CONTINUE
END-READ
SEARCH TABLE-A
AT END
PERFORM TABLE-ENTRY
WHEN W-REC = TEXT(IDX)
ADD +1 TO COUNT
END-SEARCH
GO TO READ-PARA
TABLE-ENTRY.
SET IDX TO 1
PERFORM VARYING SUB FROM 1 BY 1
UNTIL SUB > 500
IF TEXT (IDX) = SPACES
MOVE 1 TO COUNT (IDX)
MOVE W-REC TO TEXT (IDX)
ELSE
SET IDX UP BY 1
END-IF
END-PERFORM
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