# File lib/parts.rb, line 48 def build_head(boundary, name, filename, type, content_len) part = '' part << "--#{boundary}\r\n" part << "Content-Disposition: form-data; name=\"#{name.to_s}\"; filename=\"#{filename}\"\r\n" part << "Content-Length: #{content_len}\r\n" part << "Content-Type: #{type}\r\n" part << "Content-Transfer-Encoding: binary\r\n" part << "\r\n" end