This allows you to walk around stroking the keyboard of your laptop, and it'll purr. Works on Macs only.
You'll need to clone into this repository. Do this by opening up your terminal, typing this in and hitting enter:
git clone git@github.com:loulai/Purr.git
Change into the directory you just cloned by typing this in your terminal and hitting enter:
cd Purr
Run it by typing this in your terminal and hitting enter:
ruby Purr.rb
Stroke your keyboard from left to right. The key ' or ] must be included, and you must hit enter at the end of your stroke. Happy stroking!

