Class: Knj::Power_manager
Instance Method Summary collapse
-
#initialize(args = {}) ⇒ Power_manager
constructor
A new instance of Power_manager.
- #state ⇒ Object
Constructor Details
#initialize(args = {}) ⇒ Power_manager
Returns a new instance of Power_manager.
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# File 'lib/knj/power_manager.rb', line 2 def initialize(args = {}) @args = args if !File.exists?("/proc/acpi/ac_adapter") raise "Could not find the proc-acpi folder." end Dir.new("/proc/acpi/ac_adapter").each do |file| next if file == "." or file == ".." fn = "/proc/acpi/ac_adapter/#{file}" if File.directory?(fn) @ac_folder = Php4r.realpath(fn) break end end raise "Could not register ac-folder." if !@ac_folder end |
Instance Method Details
#state ⇒ Object
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# File 'lib/knj/power_manager.rb', line 22 def state cont = File.read("#{@ac_folder}/state") if match = cont.match(/state:\s*(.+)\s*/) return match[1] end raise "Could not figure out state." end |