361888 (6) [Avatar] Offline
#1
Page 66 (page 91 in pdf):

You can read the file contents with the help of the File.read/2 function:

{:ok, contents} = File.read("my_app.config") 

I think arity is 1 --> File.read/1

So far, this is a great book, very GOOD!!! smilie
sjuric (86) [Avatar] Offline
#2
Good catch, the arity is 1. Thanks for reporting, and glad you're enjoying the book so far smilie