Action
Returns the End of File Status.
Syntax
bFileEOFStatus = EOF(#bFileNumber)
Remarks
bFileEOFStatus |
(Byte) A Byte Variable, which assigned with the EOF Status |
bFileNumber |
(Byte) Number of the opened file |
This functions returns information about the End of File Status
Return value |
Status |
0 |
NOT EOF |
255 |
EOF |
In case of an error (invalid file number) 255 (EOF) is returned too.
See also
INITFILESYSTEM , OPEN , CLOSE, FLUSH , PRINT, LINE INPUT, LOC, LOF , FREEFILE , FILEATTR , SEEK , BSAVE , BLOAD , KILL , DISKFREE , DISKSIZE , GET , PUT , FILEDATE , FILETIME , FILEDATETIME , DIR , FILELEN , WRITE , INPUT
ASM
Calls |
_FileEOF |
|
Input |
r24: Filenumber |
|
Output |
r24: EOF Status |
r25: Error code |
|
C-Flag: Set on Error |
|
Partial Example
Ff =Freefile()' get file handle
Open "test.txt" For Input As #ff ' we can use a constant for the file too
Print Lof(#ff); " length of file"
Print Fileattr(#ff); " file mode" ' should be 1 for input
Do
LineInput #ff , S ' read a line
' line input is used to read a line of text from a file
Print S ' print on terminal emulator
Loop Until Eof(#ff)<> 0
'The EOF() function returns a non-zero number when the end of the file is reached
'This way we know that there is no more data we can read
Close #ff