RubyからMacの通知センターに通知するメソッド (AppleScript経由)

notification.rb

def notification(message, title:"Ruby", subtitle:"", sound:"")
  [message, title, subtitle, sound].each{|arg| arg.gsub!(/"/, '\\\\\"')}

  scpt = 'display notification "%s"' % message
  scpt << ' with title "%s"' % title
  scpt << ' subtitle "%s"' % subtitle unless subtitle.empty?
  scpt << ' sound name "%s"' % sound unless sound.empty?

  system %|osascript -e "#{scpt.gsub(/"/, '\"')}"|
end

# single & double quatation sample
notification %q|"I thought what I'd do was, I'd pretend I was one of those deaf-mutes."|, sound:'Glass'