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authoraarne <aarne@cs.chalmers.se>2008-05-21 09:26:44 +0000
committeraarne <aarne@cs.chalmers.se>2008-05-21 09:26:44 +0000
commit055c0d0d5a5bb0dc75904fe53df7f2e4f5732a8f (patch)
tree0e63fb68c69c8f6ad0f78893c63420f0a3600e1c /src-3.0/GF/System/UseReadline.hs
parent915a1de71783ab8446b1af9e72c7ba7dfbc12d3f (diff)
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
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diff --git a/src-3.0/GF/System/UseReadline.hs b/src-3.0/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