src = "Eng"
langs = ["Afr","Bul","Cat","Dan","Dut","Fin","Fre","Ger","Ita",
         "Nep","Nor","Pes","Pol","Pnb","Ron","Rus","Spa","Swe","Urd"]

file lng = "MiniGrammar" ++ lng ++ ".gf"

main = do
  s <- readFile (file src)
  mapM_ (mkMiniFile s) langs

mkMiniFile s lng =
  writeFile (file lng) (mkMini lng s)

mkMini lng s = case s of
  'E':'n':'g':cs -> lng ++ mkMini lng cs
  c:cs -> c : mkMini lng cs
  _ -> s