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-rw-r--r--Plugins/PipeReader.hs28
1 files changed, 28 insertions, 0 deletions
diff --git a/Plugins/PipeReader.hs b/Plugins/PipeReader.hs
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+++ b/Plugins/PipeReader.hs
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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
+ deriving (Read, Show)
+
+instance Exec PipeReader where
+ alias (PipeReader p) = p
+ start (PipeReader p) cb = do
+ h <- openFile p ReadMode
+ forever (hGetLine h >>= cb)
+ where forever a = a >> forever a