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joastbg/cmd_args.hs

Last active December 26, 2015 21:09
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Haskell - playing with command-line arguments using forM_ and mapM_
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cmd_args.hs
module Main where
import System.Environment
import Control.Monad
main :: IO ()
main = do
args <- getArgs
putStrLn ("Hello, " ++ args !! 0)
-- using for
forM_ args $ \arg -> putStrLn $ show arg
-- using map
mapM_ (\arg -> putStrLn $ show arg) args
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