How do I find bad data in a mainframe file?

How do I find bad data in a mainframe file?

Locate the INVALID data in a field using FILE AID

1. Locate the INVALID data in a field using FILE AID.
2. The Easiest and Coolest way to locate bad data is thru File-Aid’sF IND command.
3. 1.OPEN the file in FILE-AID (in either browse or edit mode)
4. XREF with COPYBOOK.
5. 3.Use FMT mode.
6. 4.Then issue , F /field-name INVALID.
7. or.

How do I check my VSAM file in CICS?

Answer

1. Include the EXEC CICS INQUIRE FILE command to check the file status before trying to access the file within your application.
2. If the OPENSTATUS is OPEN and the ENABLESTATUS is ENABLED, then your application can continue processing.

How do I open a VSAM file in mainframe?

Loading a VSAM data set with access method services: You can load or update a VSAM data set by using the access method services REPRO command. Use REPRO whenever possible….To initially load a VSAM file:

1. Open the file.
2. Use sequential processing ( ACCESS IS SEQUENTIAL ).
3. Use WRITE to add a record to the file.

What is a file status?

File status is a two-byte code that indicates how a file operation completed; either successfully, or with some form of error. If an error occurs, the file status indicates the reason for the error.

How do I check if a 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 file status 46 Cobol?

If a second sequential read is unsuccessful, a file status of 46 occurs and the AT END phrase is not executed.” When an AT END condition occurs, the READ is considered unsuccessful. This causes unpredictable results. The cause is the record contents returned to the program are UNDEFINED.

What does the VSAM file status code mean?

VSAM file status code indicates the status of the operation. VSAM files require at least one data record to be initially loaded into the file before the file could be opened for input or update processing. This is because VSAM issues a VERIFY command upon opening a file to reset the end-of-file pointer.

What does the VSAM return code 92 mean?

VSAM return code 92 – LOGIC ERROR / OPENING A OPEN FILE / READING OUTPUT FILE / WRITING INTO A INPUT FILE / DEL or REW BUT NO PRIOR READ Logic error. Common logic errors are like a wrong way of Opening the file, improper way of reading the file or Writing the file.

What does missing DD statement mean in VSAM?

Missing DD statement for the VSAM or QSAM file. ItOPEN file successful and the file integrity verified. This might happen when a previous Job did not close the file so VSAM has to verify the integrity of the file. VSAM status code 97 is not a problem or issue. Improper loading of file.

Why is the verify command not working in VSAM?

This is because VSAM issues a VERIFY command upon opening a file to reset the end-of-file pointer. If the file has never been loaded, the VERIFY fails because the high used RBA (Relative Byte Address) (HI-USEDRBA) is still zero. Therefore, VSAM files must be initially “loaded” to set the HI-USED-RBA to a value other than zero.