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view paste/paste.14186 @ 11974:b8ec57cc1216 draft
<b_jonas> `` hg cat -r 11938 share/whatis > share/whatis
author | HackEso <hackeso@esolangs.org> |
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date | Mon, 21 Oct 2019 21:54:49 +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 ++ ").*$"