script_rails_no_readline

How to get a Rails console when script/rails won't work - particularly when you don't have readline
    
    $ bundle exec script/console 
    Loading production environment (Rails 2.3.18)
    /opt/rubyenterprise/lib/ruby/1.8/irb/completion.rb:10:in `require': no such file to load -- readline (LoadError)
            from /opt/rubyenterprise/lib/ruby/1.8/irb/completion.rb:10
            from /opt/rubyenterprise/lib/ruby/1.8/irb/init.rb:254:in `require'
            from /opt/rubyenterprise/lib/ruby/1.8/irb/init.rb:254:in `load_modules'
            from /opt/rubyenterprise/lib/ruby/1.8/irb/init.rb:252:in `each'
            from /opt/rubyenterprise/lib/ruby/1.8/irb/init.rb:252:in `load_modules'
            from /opt/rubyenterprise/lib/ruby/1.8/irb/init.rb:21:in `setup'
            from /opt/rubyenterprise/lib/ruby/1.8/irb.rb:54:in `start'
            from /opt/rubyenterprise/bin/irb:13
            


    $ bundle exec irb
    irb(main):001:0> require File.expand_path('config/boot')
    => true
    irb(main):002:0> require File.expand_path('config/environment')
    NOTE: Gem.source_index is deprecated, use Specification. It will be removed on or after 2011-11-01.
    Gem.source_index called from /export/home/deploy/recon/shared/bundle/ruby/1.8/gems/rails-2.3.18/lib/rails/gem_dependency.rb:21.
    Warning: NLS_LANG is not set. fallback to US7ASCII.
    => true
    irb(main):003:0> Article.last
    => #<Article id: 13584, ...>
    irb(main):004:0>
    irb(main):027:0> require 'console_app'
    => true