GF/src is now for 2.9, and the new sources are in src-3.0 - keep it this way until the release of GF 3

src-3.0/GF/System/UseReadline.hs

@@ -0,0 +1,25 @@
+----------------------------------------------------------------------
+-- |
+-- 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