Doesn't work on Ruby 2.1

[gjtorikian]

emoji_extractor.rb:52: invalid multibyte escape: /\211PNG/

Using rbenv to switch to 1.8.7 was simple enough, though.

[ragnraok]

I got the same problem

[tomasznguyen]

I ran into the same problem.

Add the following code as first line in the rb-file:

# encoding: US-ASCII

That should do the trick.