From a71c5efd101fde50e6221a118c2b4b3310f0c410 Mon Sep 17 00:00:00 2001
From: Julien Danjou <julien@danjou.info>
Date: Tue, 25 Aug 2009 20:16:35 +0200
Subject: [PATCH] awful.util: pread return error

Signed-off-by: Julien Danjou <julien@danjou.info>
---
 lib/awful/util.lua.in | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/lib/awful/util.lua.in b/lib/awful/util.lua.in
index 861a0e89..3c113978 100644
--- a/lib/awful/util.lua.in
+++ b/lib/awful/util.lua.in
@@ -11,7 +11,6 @@ local assert = assert
 local loadstring = loadstring
 local loadfile = loadfile
 local debug = debug
-local print = print
 local pairs = pairs
 local ipairs = ipairs
 local type = type
@@ -91,7 +90,7 @@ end
 
 --- Read a program output and returns its output as a string.
 -- @param cmd The command to run.
--- @return A string with the program output.
+-- @return A string with the program output, or the error if one occured.
 function pread(cmd)
     if cmd and cmd ~= "" then
         local f, err = io.popen(cmd, 'r')
@@ -100,7 +99,7 @@ function pread(cmd)
             f:close()
             return s
         else
-            print(err)
+            return err
         end
     end
 end