FreeFile Function

Returns / reserves a file number that is currently not being used.

Syntax
FreeFile

Return Values
Integer between 30 and 63.

See Also
AOpen, BOpen, ROpen, UOpen, WOpen, Close

FreeFile Function Example

Integer fileNum, i, j

fileNum = FreeFile
WOpen "TEST.DAT" As #fileNum
For i = 0 To 100
    Print #fileNum, i
Next i
Close #fileNum

fileNum = FreeFile
ROpen "TEST.DAT" As #fileNum
For i = 0 to 100
    Input #fileNum, j
    Print "data = ", j
Next i
Close #fileNum