Re: [Haskell-cafe] Re: [Haskell] reading from stdin

2007-10-08 Thread Ryan Ingram 
On 10/5/07, Reinier Lamers [EMAIL PROTECTED] wrote:
 You can probably unify the behaviors of platforms a, b and c by calling
 hSetBuffering on stdin to turn off  buffering.

I'm not so sure about this.  I had a similar problem (GHC6.6.1 on
Windows) where I had an app that wanted character-based console input
on Windows.  Calling hSetBuffering stdin NoBuffering didn't actually
give me no buffering; not only that, but my app seemed to have
readline-like input behavior on the console where I could go back to
previously typed lines using the arrow keys, and my app wouldn't see
anything until I hit Enter.

  -- ryan
___
Haskell-Cafe mailing list
Haskell-Cafe@haskell.org
http://www.haskell.org/mailman/listinfo/haskell-cafe

[Haskell-cafe] Re: [Haskell] reading from stdin

2007-10-05 Thread Reinier Lamers 

Axel Simon wrote:


a) is the behaviour I want, but unfortunately for platform d)
b) must be due to ghci and Hugs having different opinions on whether
stdin should be line buffered or unbuffered
c) this is weird
d) this is broken

You can probably unify the behaviors of platforms a, b and c by calling 
hSetBuffering on stdin to turn off  buffering.


Reinier
___
Haskell-Cafe mailing list
Haskell-Cafe@haskell.org
http://www.haskell.org/mailman/listinfo/haskell-cafe

[Haskell-cafe] Re: [Haskell] reading from stdin

2007-10-04 Thread Stefan O'Rear 
On Thu, Oct 04, 2007 at 05:46:09PM +0100, Axel Simon wrote:
 Hi,
 
 I'm trying to continuously output data to a file handle while reading
 single characters from the user to adjust the speed at which things are
 output. I'm interested to get this to work in Hugs on Windows.
 I successfully used the following function ghci under Mac OS:
 
 {{{
 getUserInput :: IO (Maybe Char)
 getUserInput = do
   hasInput - hReady stdin
   if hasInput then liftM Just (hGetChar stdin) else return Nothing
 }}}
 
 This function returns a character to me if there's one available.
 If anybody could give me a hint how to get this working in Hugs under
 Windows, please tell me.

Something in the 'win32' package, or maybe the FFI.  MSDN will be very
handy.

 P.S.: Sorry to post to [EMAIL PROTECTED], but nothing else seemed to match.

This is a thread for [EMAIL PROTECTED]

Stefan


signature.asc
Description: Digital signature
___
Haskell-Cafe mailing list
Haskell-Cafe@haskell.org
http://www.haskell.org/mailman/listinfo/haskell-cafe