RETVAL=0 oper(){ if [ "$1" == "del" ];then list=echo{10..1} else list=echo{1..10} fi
for ip in $list;do if [ $ip -eq 5 ];then continue fi ip addr $1 192.168.1.$ip/14 dev eth0 label eth0:$ip &>/dev/null RETVAL=$? if [ $RETVAL -eq 0 ];then action "$1 $ip" /bin/true else action "$1 $ip" /bin/false fi done return $RETVAL }

case "$1" in start) oper add RETVAL=$? ;; stop) oper del RETVAL=$? ;; restart) oper del sleep 2 oper add RETVAL=$? ;; *) printf "USAGE:$0 {start|stop|restart}\n" esac exit $RETVAL