Try weighing results towards 8

eightdotthree.py

@@ -82,7 +82,11 @@ class Generator:
     def generate(self):
         """ Generate an 8.3 filename """
         filename = ""
-        length = random.randint(6, 11)
+        if random.randint(0, 5) == 5:
+            # Random chance to use a length besides 8
+            length = random.randint(6, 11)
+        else:
+            length = 8
         minslot = 1
         while len(filename) < length:
             maxslot = length - len(filename) - 1