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Module: IO
Function: hGetContents
Type: Handle -> IO String
Description: hGetContents hdl returns the list of characters corresponding to the unread portion of the channel or file managed by hdl, which is made semi-closed.
Related: hGetChar, hGetLine, hPrint, hPutChar, hPutStr, hPutStrLn

Example 1
File: /tmp/foo.txt : 

Hello, world!
How do you do?

Program source: 

import IO

main = do x <- openFile "/tmp/foo.txt" ReadMode
	  y <- hGetContents x
          putStr y

Output: Hello, world!

Output: How do you do?