network: Speedup function uuid.

diff --git a/functions.util b/functions.util
index c0721900195e904f98190468930f79b9a1d2fb0b..86d852c0b9d421ca7cf9a4c40420d70d3734b5fa 100644 (file)
--- a/functions.util
+++ b/functions.util
@@ -181,7 +181,7 @@ function mac_is_valid() {
 }
 
 function uuid() {
-       cat /proc/sys/kernel/random/uuid
+       echo $(</proc/sys/kernel/random/uuid)
 }
 
 function isset() {