I am using the Hugs 1.4 version as currently on the haskell.org website
(marked Beta version on the website). I have tried this on a PC with Win95
and on a sun spac station with sunos4. The problem I find on both machines
is that neither hGetContents (IO.hs) nor getContents (Prelude.hs) echo
characters to the screen.
The Haskell report states:
"By default, these input functions echo to standard output. Functions in
the I/O library provide full control over echoing."
A program which demonstrates this is
---------------------------
module Test
where
import IO
main :: IO ()
main =
getContents >>= \i ->
let o = words i in
putStr (show o) >>
return ()
---------------------------
where the session transcript is
Test> main
["this", "is", "an", "example{Interrupted!}
ie the output of the program is fine, but none of the input is echoed.
Amanda Clare
