gistfile1.rb

#!/usr/bin/ruby
batt_stats = %x[ioreg -n battery -w 0 | grep BatteryInfo]
stats_info = batt_stats.match(/"Capacity"=(.*),"Amperage"=(.*),"Cycle Count"=(.*),"Current"=(.*),"Voltage"=(.*),"Flags"=(.*),"AbsoluteMaxCapacity"=(.*)\}/i)
stats_info = stats_info.to_a
capacity = stats_info[1].to_i
amperage = stats_info[2].to_i
cycle_count = stats_info[3].to_i
current = stats_info[4].to_i
voltage = stats_info[5].to_i
flags = stats_info[6].to_i
absolutemaxcapacity = stats_info[7].to_i

battery_charge = current/capacity
battery_charge = battery_charge * 100
puts battery_charge
puts capacity
puts current