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-----------------------------------------------------------------------------
-- |
-- Module : Plugins.PipeReader2
-- Copyright : (c) Andrea Rossato
-- License : BSD-style (see LICENSE)
--
-- Maintainer : Jose A. Ortega Ruiz <jao@gnu.org>
-- Stability : unstable
-- Portability : unportable
--
-- A plugin for reading from named pipes. As opposed to PipeReader, this
-- plugin displays a default string when it starts.
--
-----------------------------------------------------------------------------
module Plugins.PipeReader2 where
import System.IO
import Plugins
data PipeReader2 = PipeReader2 String String String
deriving (Read, Show)
instance Exec PipeReader2 where
alias (PipeReader2 _ a _) = a
start (PipeReader2 p _ def) cb = do
h <- openFile p ReadWriteMode
cb def
forever (hGetLineSafe h >>= cb)
where forever a = a >> forever a
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