X-Git-Url: https://git.yukkurigames.com/?p=python-bulletml.git;a=blobdiff_plain;f=bulletml-to-bulletyaml;h=89f861bf3d459990c6b1dd3b33e3ea668b47bbfe;hp=c5f8c561e288284edd09ee3e8998eb7e40e32cff;hb=HEAD;hpb=29b24c8fc17a3bdcccd1ac853eee5b90c6fd0856

diff --git a/bulletml-to-bulletyaml b/bulletml-to-bulletyaml
index c5f8c56..89f861b 100755
--- a/bulletml-to-bulletyaml
+++ b/bulletml-to-bulletyaml
@@ -6,7 +6,11 @@ import yaml
 from bulletml import BulletML, bulletyaml
 
 def main(argv):
+    if not argv:
+        raise SystemExit("Usage: %s filename ..." % sys.argv[0])
+
     for filename in argv:
+        print "# Loading", filename
         print yaml.dump(BulletML.FromDocument(open(filename, "rU")))
 
 if __name__ == "__main__":