howami 
All unix people know the whoami
command.
$ whoami
mroth
But what if you want to keep track of how you are?
$ howami
Current weight: 138.8 pounds (12.97 % body fat)
Activity level: 2765 steps thus far today
Sleep last night: 5 hours, 41 min.
howami
uses the Fitbit API to give you a quick CLI glance at your vital stats as synchronized from your nerdy quantified-self tracking devices.
Installation
Just install it via rubygems:
$ gem install howami
Done.
Usage
Do howami --auth
to complete login via the Fitbit API. At any point after that, you can do howami
to see your stats.
What devices?
Since people keep asking, I personally use a Fitbit Aria scale to weigh myself, and a Fitbit Flex for activity/sleep tracking.
(And I've lost 22lbs. at time of writing this!)