some-usable-scripts/haskell/columnv2.hs

20 lines
618 B
Haskell

import Data.List as L
formatLine :: [String] -> [String]
formatLine x = map (\e -> e ++ [' ' | _ <- [length e..nb]]) x
where nb = maximum $ map length x
formatLines :: [[String]] -> [[String]]
formatLines x = map formatLine x
completeMatrix :: [[String]] -> [[String]]
completeMatrix m = map (\e -> e ++ [""| _ <- [length e..nb]]) m
where nb = maximum $ map length m
column :: [[String]] -> [[String]]
column = (L.transpose . formatLines . L.transpose . completeMatrix)
main = do
content <- getContents
putStr $ unlines $ map unwords $ column $ map words $ lines content