Ryan Hatfield

Looks like you have a [method already for finding plistbuddy](https://github.com/syscl/Enable-HiDPI-OSX/blob/master/enable-HiDPI.sh#L137) but it's never being called.

Turns out there is a file `/usr/libexec/PlistBuddy` on my system ... I can't make a symbolic link to the lowercase version, I'm not sure how case works on OSX ......

I updated the script, and changed `plistbuddy` to `PlistBuddy`. This got me a little further, but I still don't think it worked correctly: ``` Bob:~ ryan$ ~/enable-HiDPI.sh Multi monitors detected,...

As I remember, the 1 wire protocol is fairly slow and easy to implement if you can time things right. Here's the [wiki article about the 1 wire protocol](https://en.wikipedia.org/wiki/1-Wire), and...