module Thor::Actions

end
gems.split(" ").map{ |gem| " config.gem #{gem}" }.join("\n")
gems = ask "Which gems would you like to add?"
inject_into_file "config/environment.rb", :after => "Rails::Initializer.run do |config|\n" do

inject_into_file "config/environment.rb", "config.gem thor", :after => "Rails::Initializer.run do |config|\n"

==== Examples

for injection (:after or :before).
config:: give :verbose => false to not log the status and the flag
data:: Data to add to the file. Can be given as a block.
destination:: Relative path to the destination root
==== Parameters

deal with more complex cases.
the flag can only be strings. gsub_file is your friend if you need to
prepend_file and gsub_file, this method is reversible. By this reason,
Injects the given content into a file. Different from append_file,

def inject_into_file(destination, *args, &block)
  if block_given?
    data, config = block, args.shift
  else
    data, config = args.shift, args.shift
  end
  log_status = args.empty? || args.pop
  action InjectIntoFile.new(self, destination, data, config)
end