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