",DUMMY" is appended to the file name specified for "3.7 cobfa_open()" or "3.8 cobfa_openW()", or the file name is omitted and only ",DUMMY" is specified.
fname = "[file-name],DUMMY";
Note
Place a comma (,) in front of the character string "DUMMY", otherwise the character string "DUMMY" will be interpreted as a file name.
Dummy file operation is the same regardless of whether the file name is specified. Even if the specified file exists, any operation is not done to the file.
