haskell

i read SICP and thinkCS
i feel [b]ready[/]
how to i start learning haskell ?

it's good that you're not thinking but feeling.
yaht is an okay tutorial.

YHBT (YHBT Haskell Beginner Tutorial)

>>1
i feel [b]ready[/]
No you do not.

http://en.wikibooks.org/wiki/Haskell/YAHT/Io

i'm doing [o][u][b]The Exercise[/][/u][/o] right now

http://www.haskell.org/tutorial/ or GTFO!

http://www.haskell.org/haskellwiki/Meta-tutorial

>>5 here, i'm done

module Main
    where

import IO

main = do
  hSetBuffering stdin LineBuffering
  doLoop

doLoop = do
  putStrLn "Do you want to [read] a file, [write] a file or [quit]? "
  command <- getLine
  case command of
    "quit"  -> return ()
    "read"  -> do doRead
                  doLoop
    "write" -> do doWrite
                  doLoop
    _       -> do putStrLn ("I don't understand the command " ++ command ++ ".")
                  doLoop

doRead = do
  putStrLn "Enter a file name to read:"
  filename <- getLine
  bracket (openFile filename ReadMode) hClose
          (\h -> do contents <- hGetContents h
                    putStrLn contents)

doWrite = do
  putStrLn "Enter a file name to write:"
  filename <- getLine
  putStrLn "Enter text (dot on a line by itself to end):"
  bracket (openFile filename WriteMode) hClose
          startWriting

startWriting h = do
  line <- getLine
  case line of
    "." -> return ()
    _   -> do hPutStrLn h line
              startWriting h


REFACTOR MY CODE

>>8
do-notation considered harmful.

Multi-liners considered inefficient.

Indentation considered inelegant.

>>9
What follows, Haskell considered harmful. Seriously, go back to Java.

>>10
Java considered Enterprise-ready.

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