diff --git a/util.lua b/util.lua
old mode 100644
new mode 100755
index 1e9c825..2917046
--- a/util.lua
+++ b/util.lua
@@ -28,11 +28,7 @@ end
 function util.extract_str(full_str, find_str, end_str)
   local fi1, fi2 = string.find(full_str, find_str, 1)
   local ei1, ei2 = string.find(full_str, end_str, fi2)
-  if end_str == "\n" then
-    return string.sub(full_str, fi2 + 1, ei1 - 2)
-  else
-    return string.sub(full_str, fi2 + 1, ei1 - 1)
-  end
+  return string.sub(full_str, fi2 + 1, ei1 - 1)
 end