render_file

# File railties/lib/rails_generator/commands.rb, line 364
          def render_file(path, options = {})
            File.open(path, 'rb') do |file|
              if block_given?
                yield file
              else
                content = ''
                if shebang = options[:shebang]
                  content << "#!#{shebang}\n"
                  if line = file.gets
                    content << "line\n" if line !~ /^#!/
                  end
                end
                content << file.read
              end
            end
          end