FREEFILE/de

= (**COPIED FROM ENGLISH PAGE**) === Action

Returns a free Filenumber.

 

 

Syntax

bFileNumber = FREEFILE()

 

 

Remarks

bFileNumber

A byte variable , which can be used for opening next file

 

 

This function gives you a free file number, which can be used for file – opening statements. In contrast to VB this file numbers start with 128 and goes up to 255. Use range 1 to 127 for user defined file numbers to avoid file number conflicts with the system numbers from FreeFile()

 

This function is implemented for compatility with VB.

 

 

See also

INITFILESYSTEM , OPEN , CLOSE, FLUSH , PRINT, LINE INPUT, LOC, LOF , EOF , FILEATTR , SEEK , BSAVE , BLOAD , KILL ,DISKFREE , DISKSIZE , GET , PUT , FILEDATE , FILETIME , FILEDATETIME , DIR , FILELEN , WRITE , INPUT

 

 

ASM

Calls	_GetFreeFileNumber
Input	none
Output	r24: Filenumber	r25: Errorcode
	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 UntilEof(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

Languages	English • Deutsch