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vim-ale/myip/myip.sh

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#!/bin/sh
__show_my_ip() {
set -u
set -e
ipv4=$(curl -s https://api.ipify.org || true)
ipv6=$(curl -s https://api6.ipify.org || true)
if [ -n "${ipv4}" ]; then
echo "IPv4 (A) : $ipv4"
fi
if [ -n "${ipv6}" ] && [ "${ipv6}" != "${ipv4}" ]; then
echo "IPv6 (AAAA): ${ipv6}"
fi
if [ -z "${ipv4}" ] && [ -z "${ipv6}" ]; then
echo >&2 "error: no public IP address"
fi
}
__show_my_ip