HipChatにメッセージを送るRubyのスクリプト

$ gem install hipchat

require 'hipchat'
client = HipChat::Client.new('api_token', :api_version => 'v2')
# 'username' is the name for which the message will be presented as from
client['shigemk2'].send('shigemk2', 'I talk')

だからなんだよ、って話ですけども。