1 files changed, 5 insertions, 0 deletions
diff --git a/parse-brlyt.py b/parse-brlyt.py
index 694cc12..44a0da0 100644
--- a/parse-brlyt.py
+++ b/parse-brlyt.py
@@ -1,6 +1,11 @@
 import sys, struct, re
 from ethyl import *
 
+if len(sys.argv) != 2:
+    print 'Usage: python parse-brlyt.py something.brlyt'
+    sys.exit(1)
+
+
 f = open(sys.argv[1], 'rb')
 rlyt = f.read()
 f.close()