How to read records in reverse order in flat file?
I know we can do it by reading all records into an array....
Then read records in reverse order by using subscript or index
but can any body give me the exact code.
- 5 Answers
- 19579 Views
- TCS, I also Faced
- E-Mail Answers
Answer Posted / prasad rellu
IDENTIFICATION DIVISION.
PROGRAM-ID. RRED.
ENVIRONMENT DIVISION.
INPUT-OUTPUT SECTION.
FILE-CONTROL.
SELECT INFILE ASSIGN TO DD1.
SELECT OUTFILE ASSIGN TO DD2.
DATA DIVISION.
FILE SECTION.
FD INFILE.
01 INREC.
05 EMP-ID PIC X(3).
05 EMP-NAME PIC X(10).
05 EMP-ADD PIC X(10).
FD OUTFILE.
01 OUTREC.
05 E-ID PIC X(3).
05 E-NAME PIC X(10).
05 E-ADD PIC X(10).
WORKING-STORAGE SECTION.
01 WS-COUNT PIC 9(4).
01 EOF PIC X(1) VALUE 'N'.
01 ARRAY1.
05 ARREC OCCURS 1 TO 50 TIMES DEPENDING ON WS-COUNT.
10 AR-EMP-ID PIC X(5).
10 AR-EMP-NAME PIC X(10).
10 AR-EMP-ADD PIC X(10).
PROCEDURE DIVISION.
MOVE 1 TO WS-COUNT.
OPEN INPUT INFILE.
OPEN OUTPUT OUTFILE.
PERFORM MOVE-RECORD UNTIL EOF = 'Y'.
PERFORM PARA1 UNTIL WS-COUNT = ZEROS.
CLOSE INFILE.
CLOSE OUTFILE.
STOP RUN.
MOVE-RECORD.
READ INFILE AT END MOVE 'Y' TO EOF
NOT AT END
MOVE INREC TO ARREC(WS-COUNT)
ADD 1 TO WS-COUNT
END-READ.
PARA1.
MOVE ARREC(WS-COUNT) TO OUTREC.
WRITE OUTREC.
SUBTRACT 1 FROM WS-COUNT.
| Is This Answer Correct ? | 0 Yes | 0 No |
Post New Answer View All Answers
What is the utilization of copybook in cobol?
What is length is cobol?
What is amode(24)?
how do you reference the rrds file formats from cobol programs
What is a report item?
How to traceback if I am getting SOC7 or SOC4 abend? List down the steps
How to get the last record in vsam file in cluster? And how can you get the kids file records into your cobol program?
Difference between cobol and cobol-ii?
input= ,,,, mainframe training ,,, hyderabad .... location.... output1=$ mainframe training in hyderabad location$ output2=**** mainframe training in hyderabad location ****. In this pgn when we give input considering the spaces the output is displayed in this format.Like in the place of ,,,, $ should be displayed likewise.So please helpmeout.
What are 77 levels used for?
how do you reference the variable block file formats from cobol programs
how do you reference the variable unblock file formats from cobol programs
Write the code to count the sum of n natural numbers.
what is difference between cobol and cobol/400
What is amode(31)
