Connects to whatismyip.com, obtains your external IP address and uploads a text file containg the IP to a chosen FTP server. Requires Python to run.

ip-uploader.py

#! /usr/bin/env python
import httplib
import sys
import os
import ftplib

# File IP will be output to
file="ip.txt"

# Replace server, user, and password with your login information
server     = "http://server.com"
user       = "username"
password   = "password"

conn = httplib.HTTPConnection("www.whatismyip.com")
conn.request("GET","/automation/n09230945.asp")
response = conn.getresponse()
data = response.read()

filename = str(os.path.abspath(os.path.dirname(sys.argv[0])) + "\\"+file) #Create file
FILE = open(filename,"w") #Open file ready for writing
FILE.writelines(data) #Write 'data' to file
FILE.close() #Close file


s = ftplib.FTP(server,user,password) #Connect
f = open(file,'rb') #File to send
s.storbinary('STOR '+file, f) #Send the file
f.close() #Close file and FTP
s.quit() #Quit FTP

sys.exit(0)