posix compliant root check

1 files changed, 3 insertions, 1 deletions

diff --git a/rice.sh b/rice.sh
index d4a7e50..d00146e 100755
--- a/rice.sh
+++ b/rice.sh
@@ -1,7 +1,9 @@
+#!/bin/sh
+
 WORKDIRECTORY=$PWD
 PERMUSER="awy"
 
-if [ "$EUID" -ne 0 ]
+if [ "$(id -u)" -ne 0 ]
   then printf "The script has to be run as root.\n"
   exit
 fi