yaml example

# An example of using ruby to read a YAML file into a set of ruby objects (hashes, in this example):
# I added newlines between the irb commands for legibility's sake.

woods@beidleheimer ~/src/git/bus (master)↑ $ cat config/database.yml 

development:
  adapter: postgresql
  host: localhost
  username: bus
  database: bus_development
  password: asphyxiate2-buttonholers

test:
  adapter: postgresql
  host: localhost
  username: bus
  database: bus_test
  password: asphyxiate2-buttonholers

woods@beidleheimer ~/src/git/bus (master)↑ $ irb

irb(main):001:0> require 'yaml'
=> true

irb(main):002:0> config = YAML::load_file('config/database.yml')
=> {"development"=>{"username"=>"bus", "adapter"=>"postgresql", "database"=>"bus_development", "host"=>"localhost", "password"=>"asphyxiate2-buttonholers"}, "test"=>{"username"=>"bus", "adapter"=>"postgresql", "database"=>"bus_test", "host"=>"localhost", "password"=>"asphyxiate2-buttonholers"}}

irb(main):003:0> config['development']
=> {"username"=>"bus", "adapter"=>"postgresql", "database"=>"bus_development", "host"=>"localhost", "password"=>"asphyxiate2-buttonholers"}

irb(main):004:0> config['development']['username']
=> "bus"

irb(main):005:0> config['development']['password']
=> "asphyxiate2-buttonholers"