System.IO.Cautious

It is recommended to write

import Prelude hiding (writeFile)

when importing this module.

Documentation

writeFile :: FilePath -> String -> IO ()

writeFileL :: FilePath -> ByteString -> IO ()

writeFileWithBackup :: IO () -> FilePath -> String -> IO ()

Backs up the old version of the file with backup. backup must not fail if there is no old version of the file.

writeFileWithBackupL :: IO () -> FilePath -> ByteString -> IO ()

Backs up the old version of the file with backup. backup must not fail if there is no old version of the file.