html-conduitを使う
https://www.fpcomplete.com/school/starting-with-haskell/libraries-and-frameworks/text-manipulation/tagsoup
import Network.HTTP.Conduit (simpleHttp) import qualified Data.ByteString.Lazy.Char8 as L url = "http://www.bing.com/search?q=school+of+haskell" main = do html <- simpleHttp url L.writeFile "hoge.html" html -- L.putStrLn html