Convert Shodan's json files to a txt list for feeding into other programs.

shodan2list.py

import json
from sys import argv

if len(argv) != 2:
    print("Usage: python3 shodan2list.py <filename>")
    exit(0)

with open(argv[1]) as f:
    str_list = list(filter(None, f.read().split("\n")))
    for host_json in str_list:
        host = json.loads(host_json)
        print(f'{host["ip_str"]}:{host["port"]}')