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# Prints the local network IPv4 address for a statically defined NIC or search for an IPv4 address on all active NICs.
run_segment() {
if shell_is_bsd || shell_is_osx ; then
all_nics=$(ifconfig 2>/dev/null | awk -F':' '/^[a-z]/ && !/^lo/ { print $1 }')
for nic in ${all_nics[@]}; do
ipv4s_on_nic=$(ifconfig ${nic} 2>/dev/null | awk '$1 == "inet" { print $2 }')
for lan_ip in ${ipv4s_on_nic[@]}; do
[[ -n "${lan_ip}" ]] && break
done
[[ -n "${lan_ip}" ]] && break
done
else
# Get the names of all attached NICs.
all_nics="$(ip addr show | cut -d ' ' -f2 | tr -d :)"
all_nics=(${all_nics[@]//lo/}) # Remove lo interface.
for nic in "${all_nics[@]}"; do
# Parse IP address for the NIC.
lan_ip="$(ip addr show ${nic} | grep '\<inet\>' | tr -s ' ' | cut -d ' ' -f3)"
# Trim the CIDR suffix.
lan_ip="${lan_ip%/*}"
# Only display the last entry
lan_ip="$(echo "$lan_ip" | tail -1)"
[ -n "$lan_ip" ] && break
done
fi
echo "ⓛ ${lan_ip-N/a}"
return 0
}
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