vbscript how to check if txt file exists and whe not create empty one

Question

How can i check with vbscript if the txt file in C:\Temp\CAD_Kunde.txt exists and when it does not exist it should be empty created.

Edit: I get an error (Expected Statement on Line 11 Char 1 when i use this:

   <SCRIPT Language="VBScript"> 
        Sub Window_OnLoad
 //Line 11 is the one below:
    Option Explicit  
    Dim oFSO, oTxtFile   
    Set oFSO = CreateObject("Scripting.FileSystemObject")     
    If oFSO.FileExists("C:\Temp\CAD_Kunde.txt")  then
           Msgbox "File Exist" 
    Else 
          Set oTxtFile = oFSO.CreateTextFile("C:\Temp\CAD_Kunde.txt")  
          Msgbox "File Created" 
    End If 

    End Sub
    </script>

Solution 1

<SCRIPT Language="VBScript">
Sub Window_OnLoad
Option Explicit 
Dim oTxtFile 
With (CreateObject("Scripting.FileSystemObject"))
  If .FileExists("C:\Temp\CAD_Kunde.txt") Then
    Msgbox "File Exist"
  Else 
    Set oTxtFile = .CreateTextFile("C:\Temp\CAD_Kunde.txt")
    Msgbox "File Created" 
  End If 
End With
End Sub
</script>

Solution 2

Its Easy

Option Explicit 
Dim oFSO, oTxtFile


Set oFSO = CreateObject("Scripting.FileSystemObject") 



If oFSO.FileExists("C:\Temp\CAD_Kunde.txt")  Then
Msgbox "File Exist"
Else 
Set oTxtFile = oFSO.CreateTextFile("C:\Temp\CAD_Kunde.txt") 
Msgbox "File Created"
End If