Here you go I've commented everything so you can learn how it works it is 7 lines of code.
Code:
Dim x As Integer                            'this is used to count the loops
Open App.Path & "\" & "blah.cfg" For Output As #1 'this will create blah.cfg where ever this .exe is in a temp buffer for now
    
Do Until x = 28                             'this will loop until its done 28 times
    Print #1, Text1                         'this will type what ever is in text1 into the cfg file
    x = x + 1                               'after printing a line add X so we can loop
Loop                                        'makes it go back to do until up top until x is 28
  
Close #1                                    'this will close the buffer with what ever was put into it then make the .cfg file  for you!
anyways I attached the full source you can do what ever you want to it