Update skydns from hosts file

gistfile1.py

#!/usr/bin/env python

import os

def blank(el):
    return len(el) == 2

with open('dns.txt', 'r') as f:
    lines = [x.split(' ') for x in f.read().split('\n')]
    results = filter(blank, lines)

    for result in results:
        print result
        ip = result[0]
        key = "/".join(result[1].split('.')[::-1])
        cmd = "curl -XPUT http://127.0.0.1:4001/v2/keys/skydns/%s -d value='{\"host\":\"%s\"}'" %(key, ip)
        os.system(cmd)