import Data.List
import System.Environment
import System.IO

import Database.TxtSushi.IO
import Database.TxtSushi.Util.IOUtil

main :: IO ()
main = do
    args <- getArgs
    
    case args of
        [fileArg] -> do
            contents <- getContentsFromFileOrStdin fileArg
            
            let table = transpose . parseTable csvFormat $ contents
                csvText = formatTable csvFormat table
            putStr csvText
        
        -- we were expecting a single file name arg
        _ -> printSingleFileUsage