nicer print of parsing progress

swf2userSessions.py

@@ -17,7 +17,7 @@ def swf2sessions(input_swf, out_dir, delim_approach, delim_threshold,
     for line in input_swf:
         i += 1
         if not quiet and i % 100000 == 0:
-            print("Processing swf line", i)
+            print(f"\r\033[KProcessing swf line {i}", end="")
 
         res = r.match(line)
         if res: