3 if [ `id -u` -ne 0 ] || [ "$1" = "" ]; then exit 1; fi
5 if [ -x /usr/bin/fping ]; then
14 while read addr pingme scheme; do
15 if [ "$which" ]; then continue; fi
17 #echo " Trying $addr & $pingme ($scheme)" >&2
19 ip addr add $addr dev $iface >/dev/null 2>&1
20 ip link set $iface up >/dev/null 2>&1
22 if $PING $pingme >/dev/null 2>&1; then
25 ip link set $iface down >/dev/null 2>&1
26 ip addr del $addr dev $iface >/dev/null 2>&1
29 if [ "$which" ]; then echo $which; exit 0; fi