diff --git a/bin/license_replacer.rb b/bin/license_replacer.rb
new file mode 100755
index 000000000..c835d1d94
--- /dev/null
+++ b/bin/license_replacer.rb
@@ -0,0 +1,17 @@
+MATCH = "<!-- See the file \"LICENSE\" for the full license governing this code. -->"
+
+REPLACE = "<!-- 
+** Copyright (c) 2012 Todoroo Inc
+**
+** See the file \"LICENSE\" for the full license governing this code. 
+-->"
+
+ARGV.each do |filename|
+  contents = File.open(filename, 'rb') { |f| f.read }
+
+  first_line = contents.index("\n")
+  if contents[first_line + 1, 4] != "<!--"
+    contents = contents[0, first_line + 1] + REPLACE + "\n" + contents[first_line + 1, contents.length]
+  end
+  File.open(filename, "wb") { |f| f.write(contents) }
+end