X-Git-Url: http://git.grml.org/?a=blobdiff_plain;f=sbin%2Fmodemlink;h=fa9c3b1fcba404e00dbf1b5f60b09eaab78de7fd;hb=6491538dd1b832fcae56d058b2a0685f2e643460;hp=6e4599cd72a3de98a64236bc337e6e2a2bf9c26e;hpb=5ccffd6ee849bb7c004e464f3972bcce22beac7c;p=grml-network.git

diff --git a/sbin/modemlink b/sbin/modemlink
index 6e4599c..fa9c3b1 100755
--- a/sbin/modemlink
+++ b/sbin/modemlink
@@ -12,9 +12,8 @@ export PATH
 # XDIALOG_HIGH_DIALOG_COMPAT=1
 # export XDIALOG_HIGH_DIALOG_COMPAT
 
-if [ $UID != 0 ] ; then
-   echo Error: become root before starting $0 >& 2
-   exit 100
+if [ "$(id -u 2>/dev/null)" != 0 ] ; then
+  echo 1>&2 "Error: please run this script with uid 0 (root)." ; exit 1
 fi
 
 TMP=$(mktemp)