Reading/Writing files

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b32

Yes, you should open the file with OpenFile, and then seek to the end of the file using SeekFile:

fname$ = "test2.dat"

SeedRnd(MilliSecs())

;test if file exists
test = FileType(fname$)

;if it doesn't
If Not test Then
		
	;createfile
	file = WriteFile(fname$)

;if it does		
Else
	
	;open file
	file = OpenFile(fname$)
	;seek to end of file
	SeekFile file, FileSize(fname$)
	
End If

;add line and close file
WriteLine file, "testline " + Rand(255) 
CloseFile file

;print file
file  = ReadFile(fname$)
While Not(Eof(file))

	Print ReadLine(file)
	
Wend
CloseFile file

WaitKey()
End