Linux libnotify notifier

notify.rb

#!/usr/bin/ruby
require 'rubygems'
require 'libnotify'
require 'getoptlong'

parser = GetoptLong.new
parser.set_options(["-s", "--summary", GetoptLong::REQUIRED_ARGUMENT],
                   ["-b", "--body", GetoptLong::REQUIRED_ARGUMENT],
                   ["-i", "--icon_path", GetoptLong::REQUIRED_ARGUMENT]
                  );

options = {:summary => "", :body => "", :icon_path => nil}

parser.each do |opt,arg|
  case opt
    when "-s"
      options[:summary] = arg

    when "-b"
      options[:body] = arg

    when "-i"
      options[:icon_path] = arg
  end
end

n = Libnotify.new do |notify|
  notify.summary = options[:summary]
  notify.body = options[:body]
  notify.timeout = 1        # 1.5 (s), 1000 (ms), "2", nil, false
  notify.urgency = :normal  # :low, :normal, :critical
  notify.icon_path = options[:icon_path] if options[:icon_path]
end
n.show!