Prints last X lines of each .txt in given dir

PrintLastXLines.py

import os
import time, datetime
from collections import deque

# Python 2.7.x
# Made for the decaf emulator
# Prints last X lines of each log in given directory (current by default)

last_x_lines = 20
log_lines_cutoff = 17 # number of chars to cut from each logfile (the date/time)
logs_path = r"/" # currently it uses all .txt files in the directory it's in (except other logs of its kind)
header_padding = 20

def print_game_header(fp, gamename):
    gamelen = len(gamename)
    linewidth = header_padding + gamelen
    out_lines = ["="*linewidth, ' '*(header_padding/2) + gamename, "="*linewidth]
    fp.write('\n'.join(out_lines) + '\n')

cur_dir = os.getcwd()
print "Current directory is " + cur_dir

logs = []
for file_dir in os.listdir(cur_dir + logs_path):
    if file_dir.endswith(".txt") and not file_dir.startswith("LogsOutput-"):
        logs.append(file_dir)


print 'Found {} logs.'.format(len(logs))

time_formatted = datetime.datetime.now().replace(microsecond=0).isoformat('_').replace(':', '-')[:-3] #sorry
outfile = open("LogsOutput-" + time_formatted + '_' + str(len(logs)) + "Logs.txt", "w")

for log_dir in logs:
    infile = open(log_dir, "r")
    gamename = log_dir[:-4-log_lines_cutoff]

    print "Writing " + gamename

    outfile.write('\n')
    print_game_header(outfile, gamename)
    outfile.write('\n')
    
    for line in deque(infile, maxlen = last_x_lines):
        outfile.write(line)
    outfile.write('\n'*2)
    infile.close()

outfile.close()