From 56f3676bafd911686364d6a7c6d1155e8c423252 Mon Sep 17 00:00:00 2001
From: daniel <daniel@wagner-home.com>
Date: Sun, 25 Jan 2009 17:47:24 +0100
Subject: handle successful commands with empty output

Ignore-this: dbf3cac5cd8130bdf186e3487e5915ce

darcs-hash:20090125164724-c98ca-24f6b13ccacc41c07a029b5b0e817307069b145b.gz
---
 Commands.hs | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/Commands.hs b/Commands.hs
index 93f7572..bdc8d60 100644
--- a/Commands.hs
+++ b/Commands.hs
@@ -23,7 +23,9 @@ module Commands
     , tenthSeconds
     ) where
 
+import Prelude hiding (catch)
 import Control.Concurrent
+import Control.Exception
 import Data.Char
 import System.Process
 import System.Exit
@@ -65,7 +67,7 @@ instance Exec Command where
                         hClose e
                 case exit of
                   ExitSuccess -> do
-                            str <- hGetLineSafe o
+                            str <- catch (hGetLineSafe o) (\eof -> return "")
                             closeHandles
                             cb str
                   _ -> do closeHandles
-- 
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