> However one of the commands is: read filename > i.e. read a file and display it. > I do not succeed in implementing this. http://www.haskell.org/hawiki/ThatAnnoyingIoType http://www.haskell.org/hawiki/UsingIo are your friends. --KW 8-) -- Keith Wansbrough <kw217@cl.cam.ac.uk> http://www.cl.cam.ac.uk/users/kw217/ University of Cambridge Computer Laboratory.