Find ID of a Facebook page

find-facebook-page-id.py

#!/usr/bin/env python
# Updated in june 2022
import sys
import requests
import re

if len(sys.argv) != 2 or sys.argv[1] == "":
    print("Provide a valid Facebook url page such as \"https://www.facebook.com/acme\"")
    exit()
try:
    response = requests.get(sys.argv[1])
    page_id = re.search("\"pageID\":\"[0-9]*\"", response.text)
    print(page_id.group().split(":")[1][1:-1])
except:
    print("An error occurred. The URL is not valid (maybe a profile?) or the account is not public.")