syuperday

#!/usr/bin/python2

from __future__ import division
from datetime import date
import re

with open('/var/log/pacman.log') as f:
    first = f.readline()
    y, m, d = [int(c, 10) for c in first[1:11].split('-')]
    days = (date.today() - date(y, m, d)).days
    print('days since install %d' % days)
    syutimes = len(re.findall(r'pacman -Syu', f.read()))
    print('pacman -Syu ran: %d times' % syutimes)
    print(syutimes / days)

Now with 100% more output