#!/bin/bash

echo "# This file is generated every 30 minutes by /etc/hosts_make"
echo "# If you run this manually, pipe the results to /etc/hosts"
echo ""
echo "# Standard names"
echo "127.0.0.1 $(hostname) localhost"
echo ""
echo "# Static IP Servers"
echo "#192.168.1.1     someserver"
echo ""
echo "# Windows computers"
# Our workgroup is named WORKGROUP.
# Change it if it doesn't match yours.
ADDRS=$(nmblookup WORKGROUP | sort | grep -E "^[0-9]+(\.[0-9]+){3}" | \
    cut -d ' ' -f 1)
for IP in $ADDRS; do {
    NAME=$(nmblookup -A "$IP" | grep "<00>" | grep -v "<GROUP>" | \
        grep -v "~" | cut -f 2 | cut -d ' ' -f 1)
    echo "$IP $NAME"
}; done