import re

# Input and output file paths
input_file = r"C:\Temp\Projects\belliniSeven\belliniseven.belliniseven.cloud-ssl_log-Nov-2025.txt"
output_file = r"C:\Temp\Projects\belliniSeven\uniqueIPaddresses.txt"

# Regex pattern for IPv4 addresses
ip_pattern = re.compile(r"\b(?:[0-9]{1,3}\.){3}[0-9]{1,3}\b")

# Use a set to store unique IPs
unique_ips = set()

# Read the log file and extract IPs
with open(input_file, "r", encoding="utf-8", errors="ignore") as f:
    for line in f:
        matches = ip_pattern.findall(line)
        unique_ips.update(matches)

# Write unique IPs to output file
with open(output_file, "w", encoding="utf-8") as f:
    for ip in sorted(unique_ips):
        f.write(ip + "\n")

print(f"Extracted {len(unique_ips)} unique IP addresses to {output_file}")