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|
----------------------------------------------------------------------
-- |
-- Module : GF.System.UseReadline
-- Maintainer : BB
-- Stability : (stable)
-- Portability : (portable)
--
-- > CVS $Date: 2005/05/10 15:04:01 $
-- > CVS $Author: bringert $
-- > CVS $Revision: 1.1 $
--
-- Use GNU readline
-----------------------------------------------------------------------------
module GF.System.UseReadline (fetchCommand) where
import System.Console.Readline (readline, addHistory)
fetchCommand :: String -> IO (String)
fetchCommand s = do
res <- readline s
case res of
Nothing -> return "q"
Just s -> do addHistory s
return s
|
