Public Sub Main()
Dim sOutput As String = "Hello "
Dim sInput As String = File.Load(User.Home &/ "input.txt") 'Has the word 'World!' stored

File.Save(User.Home &/ "output.txt", sOutput)
File.Save(User.Home &/ "input.txt", sOutput & sInput)

Print "'input.txt' contains - " & sOutput & sInput
Print "'output.txt' contains - " & sOutput

End