RIO.Prelude.IO

Documentation

withLazyFile :: MonadUnliftIO m => FilePath -> (ByteString -> m a) -> m a

Lazily get the contents of a file. Unlike readFile, this ensures that if an exception is thrown, the file handle is closed immediately.

readFileBinary :: MonadIO m => FilePath -> m ByteString

Same as readFile, but generalized to MonadIO

writeFileBinary :: MonadIO m => FilePath -> ByteString -> m ()

Same as writeFile, but generalized to MonadIO

data ReadFileUtf8Exception

Constructors

ReadFileUtf8Exception !FilePath !UnicodeException

Instances

Show ReadFileUtf8Exception

Methods

showsPrec :: Int -> ReadFileUtf8Exception -> ShowS

show :: ReadFileUtf8Exception -> String

showList :: [ReadFileUtf8Exception] -> ShowS

Exception ReadFileUtf8Exception

Methods

toException :: ReadFileUtf8Exception -> SomeException

fromException :: SomeException -> Maybe ReadFileUtf8Exception

displayException :: ReadFileUtf8Exception -> String

readFileUtf8 :: MonadIO m => FilePath -> m Text

Read a file in UTF8 encoding, throwing an exception on invalid character encoding.

writeFileUtf8 :: MonadIO m => FilePath -> Text -> m ()

Write a file in UTF8 encoding

hPutBuilder :: MonadIO m => Handle -> Builder -> m ()