Reading text from file

I am trying to read text from a file in CraftOS.

Here is my code:

h = fs.open("settings.cfg", "r")
text = h.readLine()
h.close()
print(text)

I get an attempt to index ? error. What do I do?
Thanks.

You should read this: http://www.computercraft.info/forums2/index.php?/forum-11/announcement-1-forum-guidelines/