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Module: IO
Function: hGetLine
Type: Handle -> IO String
Description: hGetLine hdl reads a line from the file or channel managed by hdl, similar to getLine in the Prelude
Related: hGetChar, hGetContents, 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 <- hGetLine x
          putStr y

Output: Hello, world!