I have two files , file1 is input file it contains
10,20,30,....,records
but i want to display the records in file 2 as reverse order
.how can we do by using jcl& cobol(dont use array)
please any one can tell me the answer
Answers were Sorted based on User's Feedback
Answer / abhishek
First open file-1 as:
OPEN INPUT FILE-1 REVERSED
->If REVERSED clause is specified at the time of opening a
particular file, then that file can be read in reverse
direction.
Now we can read file-1 like
READ FILE-1
INTO ws-record
NOT AT END
PERFORM PARA-1
END-READ
PARA-1
WRITE FILE-RECORD
FROM WS-RECORD
END-WRITE
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I have PS flat file with 14 records. I want to read from 4th to 9th record and want to write those 6 records (4th record to 9th record) to another PS file (output file). there is no key defined in the input file. I just want read a certain Consecutive records. can any one please give me the procedure division Coding for this. I have coded the below coding but the READ-PARA is performing only 1 time even though I have 14 records in my input file (i.e FILE-1): PROCEDURE DIVISION. A000-SECTION. MOVE 0 TO I. OPEN INPUT FILE-1. IF CHECK-KEY1 > 0 DISPLAY "OPEN ERROR FOR FILE-1, CODE IS:" CHECK-KEY1 END-IF. OPEN EXTEND NEWFILE-1 IF CHECK-KEY3 > 0 DISPLAY "OPEN ERROR FOR NEWFILE-1 COD IS" CHECK-KEY3 END-IF. PERFORM READ-PARA THRU EXIT-PARA UNTIL EOF-REC = 'YES'. DISPLAY " FINALLY OUT OF LOOP" CLOSE FILE-1 CLOSE NEWFILE-1 STOP RUN. READ-PARA. ADD 1 TO I READ FILE-1 AT END MOVE 'YES' TO EOF-REC IF I > 3 AND < 10 PERFORM WRITE-PARA ELSE DISPLAY "NOT IN RANGE" END-IF. EXIT-PARA. EXIT. WRITE-PARA. WRITE NEW-REC FROM FILE1-REC.
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