What is the use of file status in COBOL?
What is the use of file status in COBOL?
File status is a data item which you define in your program. Defining a file status data item is optional. If a file status data item is not declared and a file error occurs, the COBOL run-time system displays an error message and aborts your program.
How check if file is empty in COBOL?
Re: How to check if file is empty in cobol without reading?? Header record with logical file name, logical date for the data. Data records, which can be sequence-checked if they should be in sequence. Trailer record with record-count and hash-total(s). Check the header, check that there is only one header.
What is VSAM verify?
Verify. Verify command is used to check and fix VSAM files which have not been closed properly after an error. The command adds correct End-Of-Data records to the file.
How do I check my VSAM file status?
VSAM file status code indicates the status of the operation….VSAM File Status.
| File Status | Description |
|---|---|
| 02 | DUPLICATE KEY, NON-UNIQUE ALT INDEX |
| 04 | READ, WRONG LENGTH RECORD |
| 05 | OPEN, FILE NOT PRESENT |
| 07 | CLOSE with REEL or NO REWIND executed for non tape dataset. |
How do I check if a VSAM is empty?
By using IDCAMS repro also empty check can be done. If the return code is 4 (RC=4), then the file is empty. 3. If the return code is Zero (RC=0) then file is not empty otherwise it is empty and return code would be 12 if it is empty .
What is the COBOL File Status Code 46?
Contents. File Status 46 In Cobol. Cobol File Status Code 46. RT029 Attempt to delete open file. The ANSI’74, ANSI’85 and Extended File Status codes are given in your Error Messages. This condition indicates that an attempt has been made to write beyond the externally defined boundaries of a sequential file.
What is VSAM file status code 96 in COBOL?
VSAM file status code 96 in COBOL occurs due to –. Missing DD statement for the VSAM or QSAM file.
What does ” record not found ” mean in COBOL?
“RECORD NOT FOUND”, Indexed and relative files only. An attempt has been made to access a record, identified by a record key (prime or alternate for indexed file, relative key for relative files), and that record does not exist in the file.
What causes an I / O statement to fail in COBOL?
The I/O statement was unsuccessfully executed as the result of a boundary violation for a sequential file or as the result of an I/O error, such as a data check parity error, or a transmission error or an error that cannot be specified by other status codes. 32 OPEN Too many Indexed files opened.
