[ -n "$MODPROBEFILE" ] || MODPROBEFILE=/etc/modprobe.d/grml.conf
[ -r /etc/grml/lsb-functions ] && . /etc/grml/lsb-functions
-if [ -z "$1" ] ; then
+if [ -z "$1" ] || [ "$1" = "-h" ] || [ "$1" = "--help" ] ; then
echo "Usage: $PN <module>"
echo "$PN (un)blacklists module via $MODPROBEFILE"
exit 1
fi
if [ "$(id -ru)" != "0" ] ; then
- echo Error: become root before starting $0 >& 2
- exit 100
+ echo Error: become root before starting $0 >& 2
+ exit 100
fi
[ -f "$MODPROBEFILE" ] || touch "$MODPROBEFILE"