may i upload an HEX file to an ATTiny85 using an Arduino UNO?

hi, i've program Attiny with arduino ide with no problems. But now i need to upload an HEX file to an ATTiny85, i haven't a programmer, only the UNO, may I use it to upload the HEX file?

Yes http://codeandlife.com/2012/03/21/using-arduino-uno-as-isp/

Ray