view paste/paste.14186 @ 11442:e5fc980ee1e8

<wob_jonas> slashlearn A//A is one of seven villages in Norway. The BBC invented them by not understanding things on top of letters.
author HackBot
date Mon, 05 Mar 2018 22:24:39 +0000
parents e037173e0012
children
line wrap: on
line source

import System.Environment
import System.Process
import System.Exit
import Control.Monad
import Control.Applicative
import Data.List

main = do
    r <- buildRegex . permuteArgs <$> getArgs
    (_, _, _, h) <- createProcess (proc "/hackenv/bin/log" [r])
    exitWith <$> waitForProcess h
   where
     permuteArgs = permutations . join . map words
     buildRegex = oBrackets . intercalate ".*" . map (iBrackets . intercalate "|")
     iBrackets s = "(?:" ++ s ++ ")"
     oBrackets s = "^.*(?:" ++ s ++ ").*$"