Created
August 14, 2013 11:35
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errors-by-date.py
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import os | |
import datetime | |
from collections import Counter | |
import json | |
import argparse | |
parser = argparse.ArgumentParser( | |
description='Count Tomcat errors and group by date.' | |
) | |
parser.add_argument( | |
'path', | |
metavar='path', | |
type=str, | |
help='the path to the log files' | |
) | |
args = parser.parse_args() | |
dates = [] | |
for root,dirs,files in os.walk(args.path): | |
print len(files), "files in", args.path | |
for file in files: | |
f=open(os.path.join(root,file), 'r') | |
for line in f.readlines(): | |
if "ERROR" in line: | |
if "[" not in line.split(',')[0]: | |
date = line.split(',')[0] | |
else: | |
date = line.split(',')[0].split('[')[1] | |
day = datetime.datetime.strptime(date, '%Y-%m-%d %H:%M:%S').date() | |
dates.append(day.strftime('%Y-%m-%d')) | |
f.close() | |
date_counter = Counter(dates) | |
print json.dumps(date_counter, indent=2) | |
print reduce(lambda x, y: x + y, date_counter.values(), 0) , "errors" |
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