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branning/live_hosts.sh

Created August 29, 2016 00:19
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Find live hosts on local network with nmap
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live_hosts.sh
#!/bin/bash
#
# Find live hosts on local network with nmap
quiet() { $@ >/dev/null 2>&1; }
error() { echo 2>&1 "$@"; }
if ! quiet command -v nmap
then
error "You must install nmap."
case $OSTYPE in
darwin*) error 'Maybe try `brew install nmap`';;
linux*) error 'Maybe try `apt-get install nmap`';;
esac
fi
base_ip=${1-192.168.2.1}
nmap -sP ${base_ip}/24
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