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- #!/bin/sh
- [ "$1" == "del" ] && sed -i '/programaddstart/,/programaddend/d' /etc/hosts && exit 0
- /usr/bin/awk 'BEGIN{
- while ((getline < "/tmp/dhcp.leases") > 0)
- {
- a[$2]=$4;
- }
- while (("ip -6 neighbor show | grep -v fe80" | getline) > 0)
- {
- if (a[$5]) {print $1" "a[$5] >"/tmp/tmphost"; }
- }}'
- echo "#programaddend" >>/tmp/tmphost
- grep programaddstart /etc/hosts
- if [ "$?" == "0" ]; then
- sed -i '/programaddstart/,/programaddend/c\#programaddstart' /etc/hosts
- sed -i '/programaddstart/'r/tmp/tmphost /etc/hosts
- else
- echo "#programaddstart" >>/etc/hosts
- cat /tmp/tmphost >> /etc/hosts
- fi
- rm /tmp/tmphost
|
