Safe Haskell | None |
---|
Provides in-haskell implementations for some standard functions
- cat :: (MonadScanner m, MonadPrinter m, MonadIO m, Functor m, MonadFinalizer m) => [String] -> m ()
- tac :: (MonadFinalizer m, MonadScanner m, MonadPrinter m, MonadIO m, Functor m) => [String] -> m ()
- tee :: (MonadScanner m, MonadPrinter m, MonadIO m, Functor m) => String -> m ()
- echo :: (MonadPrinter m, MonadExpand m) => String => m ()
- data WcMode
- = CountChars
- | CountLines
- | CountWords
- wc :: (MonadScanner m, MonadPrinter m, MonadIO m, Functor m) => WcMode -> m ()
- cd :: MonadIO m => String -> m ()
- pwd :: (MonadIO m, MonadPrinter m) => m ()
- ls :: (MonadIO m, MonadPrinter m) => [String] -> m ()
- head :: (MonadScanner m, MonadPrinter m, MonadIO m, Functor m) => Int -> m ()
- tail :: (MonadScanner m, MonadPrinter m, MonadIO m, Functor m) => Int -> m ()
Documentation
cat :: (MonadScanner m, MonadPrinter m, MonadIO m, Functor m, MonadFinalizer m) => [String] -> m ()Source
Like cat
on the command line. Accepts a list of filenames. Simple pass-through, if none are provided.
tac :: (MonadFinalizer m, MonadScanner m, MonadPrinter m, MonadIO m, Functor m) => [String] -> m ()Source
Like cat
, but reverses the line order.
tee :: (MonadScanner m, MonadPrinter m, MonadIO m, Functor m) => String -> m ()Source
Pass-through, simultanously writing all input to a given file.
echo :: (MonadPrinter m, MonadExpand m) => String => m ()Source
Prints the given string, after expanding it.
wc :: (MonadScanner m, MonadPrinter m, MonadIO m, Functor m) => WcMode -> m ()Source
Count characters, lines or words of the input.
pwd :: (MonadIO m, MonadPrinter m) => m ()Source
Print current working directory.
ls :: (MonadIO m, MonadPrinter m) => [String] -> m ()Source
List directory contents of the given directories (current one, if empty list).
head :: (MonadScanner m, MonadPrinter m, MonadIO m, Functor m) => Int -> m ()Source
Filters only the first n lines of the input.
tail :: (MonadScanner m, MonadPrinter m, MonadIO m, Functor m) => Int -> m ()Source
FIlters only the last n lines of the input.