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#! /bin/sh
#
# usage: my-global-ipv4-addr [URL]
#
# if URL is provided then fetch and parse it for IPv4 addrs
# else try all known urls
#
if test $# = 1; then
has() { type "$1" 1>/dev/null 2>/dev/null; }
parse() {
sed -rn 's/.*((1?[0-9][0-9]|2[0-5][0-9])\.(1?[0-9][0-9]|2[0-5][0-9])\.(1?[0-9][0-9]|2[0-5][0-9])\.(1?[0-9][0-9]|2[0-5][0-9])).*/\1/p' | grep .
}
get () {
# TODO get random valid user agent
if has curl; then
curl -m 1 -A Mozilla -sS "$1" 2>/dev/null
elif has wget; then
wget -T 1 -U Mozilla -O "$1" 2>/dev/null
else
echo 'Error 1: You are made of stupid!' >&2
exit 23
fi
}
#addrs="`get "$1" | parse`"
#echo "$1:" $addrs >&2
#echo "$addrs"
get "$1" | parse
else
vote() {
sort | uniq -c | sort -r -n
}
winner() {
head -n 1 | awk '{print$2}'
}
grep -v ^# |
sed -n '1,$p' |
xargs -P 42 -n 1 "$0" | vote | winner
fi<<EOF
checkip.dyndns.com
www.whatismyip.de
www.eigene-ip.de
whatismyip.org
www.ipaddressworld.com
http://ip-check.info/?lang=de
http://www.ip-adress.com/what_is_my_ip/
http://www.spyber.com/
http://www.ipchicken.com/
EOF
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