file_getnext 
You request output of the rest of the content of an opened database file.
To do this, you use the file handle output when you opened the database file (see file_getfirst).
Prerequisites
You have opened a database file. The keyword CONTINUE in the answer indicates that the whole file has not yet been transferred.
You have the server authorization DBFileRead.
You have determined the file ID of the file (see file_getlist).
Structure
file_getnext <file_ID>
Option |
Description |
|---|---|
<file_ID> |
File ID |
Result
OK
<file_handle>
CONTINUE|END
<file_length><data_length>
<data_line>
<data_line>
...
Value |
Description |
|---|---|
<file_handle> |
Numeric value that can be used for subsequent access to this file. |
END |
The content of the file has been transferred completely. The file is closed automatically. |
CONTINUE |
The file contains further entries that were not transferred due to the limited size of the reply package. You can display this data by entering the DBM command again or close the file. |
<file_length> |
File length The total length of the file is not determined again and is therefore set to 0. |
<data_length> |
Length of the displayed data block, length of this information: 20 characters maximum max. 20 characters |
<data_line> |
Data line |
In the event of errors, see Reply Format.
More Information
Glossary, Database File