This entry must be blank if the LIKEFILE keyword is specified. The File Format of the parent file is used.
An F in position 22 indicates that the records for the file are described within the program on input/output specifications (except for array/table files and record-address files).
An E in position 22 indicates that the record descriptions for the file are external to the RPG IV source program. The compiler obtains these descriptions at compilation time and includes them in the source program.