Drew Csillag wrote: >Try instead: >f=open("testpy", 'wb') # note wb not wd > *blush* for some reason I've been consistently typing 'wd', I know it's 'wb'. I know, I know realy! Thanks Drew, Ingo (making a fool of himself again, mumblegrumble) -- Photography: http://members.home.nl/ingoogni/ Pov-Ray : http://members.home.nl/seed7/