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authoraarne <aarne@cs.chalmers.se>2008-05-20 11:47:44 +0000
committeraarne <aarne@cs.chalmers.se>2008-05-20 11:47:44 +0000
commit31bf84122b21efb444aa8d055472e166ffb90783 (patch)
tree1f051909336f1534346bcccde8dda59beab02f64 /src-2.9/GF/System/UseReadline.hs
parent74f048dcf41de3540778de54dfa7541fa5b39c46 (diff)
moved all old source code to src-2.9 ; src will be for GF 3 development
Diffstat (limited to 'src-2.9/GF/System/UseReadline.hs')
-rw-r--r--src-2.9/GF/System/UseReadline.hs25
1 files changed, 25 insertions, 0 deletions
diff --git a/src-2.9/GF/System/UseReadline.hs b/src-2.9/GF/System/UseReadline.hs
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+++ b/src-2.9/GF/System/UseReadline.hs
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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