Xah Lee wrote: > Martin Franklin wrote: > >>import gzip >>log_file = gzip.open("access_log.4.gz") >>last_line = log_file.readlines()[-1] >>log_file.close() > > > does the > log_file.readlines()[-1] > actually read all the lines first?
Yes I'm afraid it does. > > i switched to system call with tail because originally i was using a > pure Python solution > > inF = gzip.GzipFile(ff, 'rb'); > s=inF.readlines() > inF.close() > last_line=s[-1] > > and since the log file is 100 megabytes it takes a long time and hogs > massive memory. > Ok, in that case stick to your shell based solution, although 100 megabytes does not sound that large to me I guess it is relative to the system you are running on :) (I have over a gig of memory here) > Xah > [EMAIL PROTECTED] > ∑ http://xahlee.org/ > -- http://mail.python.org/mailman/listinfo/python-list