Lazy script for grepping step defintions in cucumber

#!/usr/bin/env ruby
require 'rubygems'
require 'trollop'
config = {:step_type => 'Given,When,Then'}

opts = Trollop.options do
  opt :step_type, "Given, When or Then", :type => :string, :default => config[:step_type]
end
term = ARGV.last

regexp_step_types = opts[:step_type].split(',').join('|')

FEATURE_DIR =  'features/step_definitions'
result = system "egrep -rih '^\s*(#{regexp_step_types}).*#{term}' #{FEATURE_DIR}"