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-----------------------------------------------------------------------------
-- |
-- Module : Plugins.PipeReader
-- Copyright : (c) Andrea Rossato
-- License : BSD-style (see LICENSE)
--
-- Maintainer : Andrea Rossato <andrea.rossato@unibz.it>
-- Stability : unstable
-- Portability : unportable
--
-- A plugin for reading from named pipes
--
-----------------------------------------------------------------------------
module Plugins.PipeReader where
import System.IO
import Plugins
data PipeReader = PipeReader String String
deriving (Read, Show)
instance Exec PipeReader where
alias (PipeReader _ a) = a
start (PipeReader p _) cb = do
h <- openFile p ReadWriteMode
forever (hGetLineSafe h >>= cb)
where forever a = a >> forever a
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