Notes

import re
from datetime import datetime

# Define a function to extract and compare timestamps
def extract_and_compare_time_difference(log_file):
# Regular expressions to match the timestamps and tags
timestamp_pattern = re.compile(r"[(.*?)]")
ngb_in_pattern = re.compile(r"<NGB_IN>")
ngb_ot_pattern = re.compile(r"<NGB_OT>")

ngb_in_time = None
ngb_ot_time = None

with open(log_file, 'r') as file:
lines = file.readlines()
for line in lines:
timestamp_match = timestamp_pattern.search(line)
if timestamp_match:
timestamp_str = timestamp_match.group(1)
timestamp = datetime.strptime(timestamp_str, "%d %b %Y %H:%M:%S,%f")

if ngb_in_pattern.search(line):
ngb_in_time = timestamp
elif ngb_ot_pattern.search(line):
ngb_ot_time = timestamp

if ngb_in_time and ngb_ot_time:
time_difference = ngb_ot_time - ngb_in_time
print(f"Time difference between NGB_IN and NGB_OT: {time_difference}")
else:
print("Couldn't find both NGB_IN and NGB_OT timestamps in the log.")

# Path to the log file
log_file = "path_to_log_file.log"

# Call the function
extract_and_compare_time_difference(log_file)