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fujimura/interactiveProcess.hs

Created October 27, 2015 10:34
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Interactive process in haskell
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interactiveProcess.hs
import System.Process
import System.IO
main :: IO ()
main = do
(Just hi, Just ho, _, ph) <- createProcess (proc "ruby" ["-e", "f = gets; puts f "]) { std_in = CreatePipe, std_out = CreatePipe }
hPutStrLn hi "foobar"
hGetLine ho >>= print
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