From d2656b7dab538dcb7b5e49c6ac4aa5833a883a8c Mon Sep 17 00:00:00 2001
From: Jouke Witteveen <j.witteveen@gmail.com>
Date: Thu, 14 Jun 2012 17:09:42 +0200
Subject: Less forking

Suggestion by Dave Reisner.
---
 src/network | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

(limited to 'src/network')

diff --git a/src/network b/src/network
index 4858144..e8c2ae1 100644
--- a/src/network
+++ b/src/network
@@ -364,7 +364,8 @@ is_interface() {
 }
 
 interface_is_up() {
-    local flags="$(< "/sys/class/net/$1/flags")"
+    local flags
+    read flags < "/sys/class/net/$1/flags"
     # IFF_UP is defined as 0x1 in linux/if.h
     (( flags & 0x1 ))
 }
-- 
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