ref: f9424ba979aaabce0a328e31b3f6a6730679a5e6
dir: /tests/Readline.hs/
module Readline(main) where
import Prelude
import System.Console.SimpleReadline
main :: IO ()
main = do
putStrLn "Type 'quit' to quit."
loop
loop :: IO ()
loop = do
s <- getInputLineHist "hist.txt" "% "
case s of
Just "quit" -> putStrLn "Bye"
_ -> do putStrLn $ showMaybe showString s; loop