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Diffstat (limited to 'src/Plugins/PipeReader.hs')
-rw-r--r-- | src/Plugins/PipeReader.hs | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/src/Plugins/PipeReader.hs b/src/Plugins/PipeReader.hs new file mode 100644 index 0000000..3fd0dd4 --- /dev/null +++ b/src/Plugins/PipeReader.hs @@ -0,0 +1,28 @@ +----------------------------------------------------------------------------- +-- | +-- Module : Plugins.PipeReader +-- 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 +-- +----------------------------------------------------------------------------- + +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 |