Show2.bash

Nombre: Show2.bash
Autor: @_tty0
Descripción: Script que te muestra la IP pública.
Visto en tty0

#!/bin/bash
# Print the current Internet IP address

#--- CONFIG HERE ---
CURL='/usr/bin/curl'
NC='/usr/bin/netcat'
SERVER='http://checkip.dyndns.org/'
PORT=80
#--------------------

[ -e ${CURL} ] && ( ${CURL} -s ${SERVER} | tr '>' '\n' | tr '<' '\n' | grep 'Current IP Address:' ; exit $? )

[ -e ${NC}   ] && ( echo -ne "GET /index.html HTTP/1.0\n\n" | \
                  ${NC} ${SERVER} ${PORT} | tr '>' '\n' | tr '<' '\n' | \
                  grep 'Current IP Address:' | sed 's|Current IP Address:|inet ip:|g'; exit $? ) 

Permisos: chmod 700 show2.bash 

Ejecución: ./show2.bash