shithub: MicroHs

ref: ff8c6e91a7c2369b3e8806ed460b4bf9b4bf6bae
dir: /lib/System/Process.hs/

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module System.Process(callCommand) where
import Prelude
import Control.Monad(when)
import Foreign.C.String

foreign import ccall "system" systemc :: CString -> IO Int

callCommand :: String -> IO ()
callCommand cmd = do
  r <- withCAString cmd systemc
  when (r /= 0) $
    error $ "callCommand: failed " ++ show r