more user record stuff

get_users_etc.rb

#!/usr/bin/env ruby -wKU
# cf. http://twitter.com/nigelkersten/status/44114754112995328
require 'pp'
require 'etc'
users = []
Etc.passwd() { |u|
  users << Hash[u.name, u.uid] if u.uid >= 500
}

pp users
pp users.class

users.each {|u,k| pp u if u.has_value?(501)}