+ if not os.path.isdir(sys.argv[2]):
+ sys.stderr.write("The second argument must be the path of the videofont directory\n")
+ usage()
+ return 1
+
+ if len(sys.argv) > 3 and os.path.exists(sys.argv[3]):
+ sys.stderr.write("File '%s' exists, exiting!\n" % sys.argv[3])
+ return 1
+