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.How to add one input & one Out file in existing cobol
program.
how approach tell me step by step.
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Answer / nimsatprasad
IDENTIFICATION DIVISION.
PROGRAM-ID. ADDFILES.
AUTHOR. PRASAD.
DATE-WRITTEN. 2007/07/26.
DATE-COMPILED. 2007/07/26.
ENVIRONMENT DIVISION.
CONFIGURATION SECTION.
SOURCE-COMPUTER. IBM-370.
OBJECT-COMPUTER. IBM-370.
SPECIAL-NAMES.
INPUT-OUTPUT SECTION.
FILE-CONTROL.
SELECT INPUT-FILE1 ASSIGN TO INPUT1
FILE STATUS IS WS-INPUT1-STATUS.
SELECT INPUT-FILE2 ASSIGN TO INPUT2
FILE STATUS IS WS-INPUT2-STATUS.
* HERE INPUT-FILE2 IS NEWLY ADDED
SELECT OUTPUT-FILE1 ASSIGN TO OUTPUT1
FILE STATUS IS WS-OUTPUT1-STATUS.
SELECT OUTPUT-FILE2 ASSIGN TO OUTPUT2
FILE STATUS IS WS-OUTPUT1-STATUS.
* HERE OUTPUT-FILE2 IS NEWLY ADDED
DATA DIVISION.
FILE SECTION.
FD INPUT-FILE1
RECORD CONTAINS 71 CHARACTERS
RECORDING MODE IS F
DATA RECORD IS XXX-RECORD.
01 INPUT-REC1 PIC X(71).
FD INPUT-FILE2
RECORD CONTAINS 71 CHARACTERS
RECORDING MODE IS F
DATA RECORD IS YYY-RECORD.
01 INPUT-REC2 PIC X(71).
* NEWLY ADDED FD.
FD OUTPUT-FILE1
RECORD CONTAINS 71 CHARACTERS
RECORDING MODE IS F
DATA RECORD IS AAA-RECORD.
01 OUTPUT-REC1 PIC X(71).
FD OUTPUT-FILE2
RECORD CONTAINS 71 CHARACTERS
RECORDING MODE IS F
DATA RECORD IS BBB-RECORD.
01 OUTPUT-REC2 PIC X(71).
* NEWLY ADDED FD.
WORKING-STORAGE SECTION.
--
--
--
PROCEDURE DIVISION.
...
...
...
THE BELOW INFORMATION ALSO IS USEFUL FOR THE DECLERATION.
Fixed Block File
• Use ORGANISATION IS SEQUENTIAL. Use RECORDING MODE
IS F, BLOCK CONTAINS 0.
Fixed Unblocked
• Use ORGANISATION IS SEQUENTIAL. Use RECORDING
MODE IS F, do not use BLOCK CONTAINS
Variable Block File
• Use ORGANISATION IS SEQUENTIAL. Use RECORDING MODE
IS V, BLOCK CONTAINS 0. Do not code the 4 bytes for record
length in FD i.e. JCL REC length will be max REC length
in PGM + 4
Variable Unblocked
• Use ORGANISATION IS SEQUENTIAL. Use RECORDING MODE
IS V, do not use BLOCK CONTAINS. Do not code 4 bytes for
record length in FD i.e. JCL REC length will be max REC
length in PGM + 4.
ESDS VSAM file
• Use ORGANISATION IS SEQUENTIAL.
KSDS VSAM file
• Use ORGANISATION IS INDEXED, RECORD KEY IS,
ALTERNATE RECORD KEY IS
RRDS File
• Use ORGANISATION IS RELATIVE, RELATIVE KEY IS
Printer File
• Use ORGANISATION IS SEQUENTIAL. Use RECORDING MODE
IS F, BLOCK CONTAINS 0. (Use RECFM=FBA in JCL DCB).
*** IF ANY THING WORNG REGARD THIS LET ME KNOW, THANKS.
| Is This Answer Correct ? | 7 Yes | 3 No |
Answer / aniket potwekar
Add File-control para in environment division with select
clause for input and output file.Declare there organization
and access mode.
then in data division add file descriptor entry for each
file.These must be in file section.
Then use these files in procedure division.
| Is This Answer Correct ? | 3 Yes | 3 No |
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COBOL 
