Answer / harsha

1 Sort the file on any key
2 Read file sequentially. While reading, store the record
in a working storage temporary variable and add count
counter variable.
3 Every time you read record, compare it with temporary
variable. if it is same increase counter otherwise reset
counter.
4 When counter become greater than three, write record to
an outfile.

Answer / supreethi

Code:
//*******************************************************
//STEP001 EXEC PGM=ICETOOL
//TOOLMSG DD SYSOUT=*
//DFSMSG DD SYSOUT=*
//IN1 DD *
AAAAAAAAA
VVVVVVVVV
GGGGGGGG
AAAAAAAAA
HHHHHHHHH
AAAAAAAAA
GGGGGGGG
VVVVVVVVV
/*
//TMP1 DD DSN=&&TEMP1,DISP=(MOD,PASS),SPACE=(TRK,(5,5)),UNIT=SYSDA
//OCCUR1 DD SYSOUT=*
//OCCUR2 DD SYSOUT=*
//OCCUR3 DD SYSOUT=*
//TOOLIN DD *
OCCUR FROM(IN1) LIST(OCCUR1) EQUAL(1)-
ON(1,9,CH) ON(VALCNT,N04)
OCCUR FROM(IN1) LIST(OCCUR2) EQUAL(2)-
ON(1,9,CH) ON(VALCNT,N04)
OCCUR FROM(IN1) LIST(OCCUR3) EQUAL(3)-
ON(1,9,CH) ON(VALCNT,N04)
/*


OCCUR1 contains:

Code:
---+----1----+----2----+
(1,9,CH) VALUE COUNT
HHHHHHHHH 1

OCCUR2 contains:

Code:
---+----1----+----2----+
(1,9,CH) VALUE COUNT
GGGGGGGG 2
VVVVVVVVV 2

OCCUR3 conatains:

Code:
---+----1----+----2----+
(1,9,CH) VALUE COUNT
AAAAAAAAA 3

Answer / 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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