File Input Output in Haskell

Welcome to the File Input Output in Haskell page! Here, you’ll find the source code for this program as well as a description of how the program works.

Current Solution

module Main where

import System.IO

main :: IO ()
main = do
  -- write
  handle <- openFile "output.txt" ReadWriteMode
  hPutStr handle "file contents"
  hClose handle
  -- read
  handle <- openFile "output.txt" ReadWriteMode
  value <- hGetContents handle
  -- Print the contents of the file that was read.
  -- Haskell reads the file lazily, so the value must be printed before the handle is closed
  putStrLn value
  hClose handle

File Input Output in Haskell was written by:

• Parker Johansen

If you see anything you’d like to change or update, please consider contributing.

Note: The solution shown above is the current solution in the Sample Programs repository as of Oct 24 2018 10:42:45. The solution was first committed on Oct 22 2018 09:07:26. As a result, documentation below may be outdated.

How to Implement the Solution

No ‘How to Implement the Solution’ section available. Please consider contributing.

How to Run the Solution

No ‘How to Run the Solution’ section available. Please consider contributing.