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Diffstat (limited to 'src/Plugins')
-rw-r--r-- | src/Plugins/PipeReader2.hs | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/src/Plugins/PipeReader2.hs b/src/Plugins/PipeReader2.hs new file mode 100644 index 0000000..511f107 --- /dev/null +++ b/src/Plugins/PipeReader2.hs @@ -0,0 +1,30 @@ +----------------------------------------------------------------------------- +-- | +-- 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 |