Alternative to rails dbconsole -- which loads much quicker

rdb.rb

#!/usr/bin/ruby

# Instead of rails dbconsole. This loads a lot quicker, since it doesn't load all of rails.
        
# Place user/password in ~/.my.cnf as
# [client]                                                                                                                                     
# user=whathaveyou                                                                                                                                    
# password=whathaveyoupwd

require 'erb'                                                                                                                                
require 'yaml'                                                                                                                               
                                                                                                                                             
hash = YAML.load(ERB.new(IO.read('config/database.yml')).result)                                                                             
env = ENV['RAILS_ENV'] || 'development'                                                                                                      
config = hash[env]                                                                                                                           
                                                                                                                                             
db = config['database']                                                                                                                      
                                                                                                                                             
$stderr.puts "Using database from ENV['RAILS_ENV'] as '#{env}': #{db.inspect}"                                                               
system('mysql', '-S', config['socket'], '-u', config['username'], db)