Getting user IDs from the GitHub API

user_ids.rb

# You'll need the rest-client and json gems installed to use this
require 'rubygems'
require 'rest-client'
require 'json'

HOSTNAME = '' # Put your GHE hostname here
USERNAME = '' # Put your Admin user name here
PASSWORD = '' # Put your Admin user password here

# Please change this to https, if you are using SSL on your GHE installation
api_url = "http://#{USERNAME}:#{PASSWORD}@#{HOSTNAME}/api/v3/"

json_response = JSON.parse(RestClient.get(api_url + 'users'))

json_response.each do |user|
  puts "#{user['login']} has ID #{user['id']}"
end