Script for http://ifconfig.me

ifconfig.me

#!/bin/sh
#
# Script for http://ifconfig.me

usage () {
    cat <<EOF
usage: $(basename $0) [-ahinpu]
    -a  return all available info
    -h  show help
    -i  return external IP address (default)
    -n  return remote host name
    -p  return port number
    -u  return user agent
EOF
}

test "$1" = "-h" && usage && exit 0

case $1 in
    -a) cmd=all ;;
    -n) cmd=host ;;
    -p) cmd=port ;;
    -u) cmd=ua ;;
     *) cmd=ip ;;
esac

curl ifconfig.me/$cmd