ref: d7ca6737c91c2c5e71c3617426d25ebb4a81d290
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