ipscan

#!/usr/bin/sh

# Simple network scanner using nmap and sh.

# maybe -sP instead of -sn, check on the difference
sudo nmap -sn 192.168.1.0/24 | while read line1; do
    case "$line1" in
        "Nmap scan report"* )
            read line2
            read macaddr
            ;;
        *       )
            continue
    esac
    host=$(echo $line1 | sed 's/Nmap scan report for //')
    echo $host $macaddr
done