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gfrn/discover.sh

Created November 20, 2021 18:11
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Get possible IPs for new devices in network
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discover.sh
#!/bin/bash
read -p "Enter your network mask: "
IP=${REPLY}
OLD=$(nmap -sn $IP | grep 'Nmap scan report for' | cut -f 5 -d ' ')
read -n 1 -p "Plug in the device and press enter"
NEW=$(nmap -sn $IP | grep 'Nmap scan report for' | cut -f 5 -d ' ')
echo Possible IPs:
echo ${OLD[@]} ${NEW[@]} | tr ' ' '\n' | sort | uniq -u
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