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how to fetch the record before the last record in a cobol
file( its a huge file and if the key field is not known)
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Answer Posted / logeshwaran ravi
DATA DIVISION.
FILE SECTION.
FD WS-INFILE.
01 WS-INREC.
.
.
.
.
FD WS-OUTFILE.
01 WS-OUTREC.
.
.
.
.
WORKING-STORAGE SECTION.
77 INFS PIC XX.
77 OUTFS PIC XX.
77 CONT PIC 9(3).
77 NUM PIC 9(3).
PROCEDURE DIVISION.
001-OPEN-PARA.
OPEN INPUT WS-INFILE.
OPEN OUTPUT WS-OUTFILE.
002-READ-PARA.
READ WS-INFILE AT END PERFORM 003-WRITE-PARA.
COMPUTE CONT = CONT + 1.
003-WRITE-PARA.
COMPUTE CONT = CONT - 1.
READ WS-INFILE AT END PERFORM 009-CLOSE-PARA.
NUM = NUM + 1.
IF NUM = CONT THEN
MOVE WS-INREC TO WS-OUTREC
WRITE WS-OUTFILE
PERFORM 009-CLOSE-PARA
END-IF.
009-CLOSE-PARA.
CLOSE WS-INFILE WS-OUTFILE.
STOP RUN.
| Is This Answer Correct ? | 2 Yes | 5 No |
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