# File lib/mechanize.rb, line 340 def download uri, io_or_filename, parameters = [], referer = nil, headers = {} page = transact do get uri, parameters, referer, headers end io = if io_or_filename.respond_to? :write then io_or_filename else open io_or_filename, 'wb' end case page when Mechanize::File then io.write page.body else body_io = page.body_io until body_io.eof? do io.write body_io.read 16384 end end page ensure io.close if io and not io_or_filename.respond_to? :write end