battery

API to your laptop's battery.

Based on the UPower tool available by default on Ubuntu and Debian distros. Other data sources can be easilly added as plugins.

battery = Battery.new
battery.energy_left          # =>   0.97  (almost fully charged)
battery.voltage              # =>  12.78  [V]
battery.charging?            # =>  true
battery.vendor               # =>  'Panasonic'
battery.update.energy_left   # =>   0.96  (notice the updated value)

See the acceptance tests for the exhaustive list of examples. Don't fear to look at the code.

Add this to your Gemfile:

gem 'battery'

Then run:

bundle

• Ruby 1.9.2

Run all tests:

bundle exec rake test

Run only functional tests:

bundle exec rake test:functional

Run only acceptance tests:

bundle exec rake test:acceptance

Released under the MIT license. Copyright (C) 2012 Piotr 'Qertoip' Włodarek.