view paste/paste.14186 @ 489:e8c0b0073a2d

<nortti> run echo "welcome "'$1'" | python -c \"print (lambda s: ''.join([ (s[i].upper() if i%2==0 else s[i].lower()) for i in range(len(s)) ]))(raw_input())\"" > /hackenv/bin/WeLcOmE
author HackBot
date Sun, 03 Jun 2012 15:53:40 +0000
parents e037173e0012
children
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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 ++ ").*$"