System.Process.PagerEditor

Run external pagers ($PAGER, less, more) and editors ($VISUAL, $EDITOR, nano, pico, vi).

Pager

pageWriter :: (Handle -> IO ()) -> IO ()

Run pager, providing a function that writes to the pager's input.

pageByteString :: LByteString -> IO ()

Run pager to display a lazy ByteString.

pageText :: Text -> IO ()

Run pager to display a Text

pageBuilder :: Builder -> IO ()

Run pager to display a ByteString-Builder.

pageFile :: FilePath -> IO ()

Run pager to display contents of a file.

pageString :: String -> IO ()

Run pager to display a string.

data PagerException

Exception running pager.

Constructors

PagerNotFound

PagerExitFailure FilePath Int

Instances

Show PagerException

Defined in System.Process.PagerEditor

Methods

showsPrec :: Int -> PagerException -> ShowS

show :: PagerException -> String

showList :: [PagerException] -> ShowS

Exception PagerException

Defined in System.Process.PagerEditor

Methods

toException :: PagerException -> SomeException

fromException :: SomeException -> Maybe PagerException

displayException :: PagerException -> String

Editor

editFile :: FilePath -> IO ()

Run editor to edit a file.

editReaderWriter :: forall a. String -> (Handle -> IO ()) -> (FilePath -> IO a) -> IO a

Run editor, providing functions to write and read the file contents.

editByteString :: String -> LByteString -> IO LByteString

Run editor on a ByteString.

editString :: String -> String -> IO String

Run editor on a String.

data EditorException

Exception running editor.

Constructors

EditorNotFound

EditorExitFailure FilePath Int

Instances

Show EditorException

Defined in System.Process.PagerEditor

Methods

showsPrec :: Int -> EditorException -> ShowS

show :: EditorException -> String

showList :: [EditorException] -> ShowS

Exception EditorException

Defined in System.Process.PagerEditor

Methods

toException :: EditorException -> SomeException

fromException :: SomeException -> Maybe EditorException

displayException :: EditorException -> String