Even though web log filter has not been updated in years, i occasionally feel a need to post about it and thank the author (me) for creating such a useful program. I only end up using it once a year or so, but it is invaluable when i want to run standard web log analysis programs to look through a couple hundred gigabytes of data. Web Log Filter let's me first quickly extract the narrow subset of data i care about (whether that's a date range, or only hits on certain matching urls, etc.) and then have a relatively small file i can analyze using existing tools.
