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New DonationCoder.com Power Utility for Web Admins: Web Log Filter

Screenshot - 10_21_2006 , 1_51_06 PM.png
My Web Log Filter Tool is now available for download:


This is a super fast web log filter, which works off very simple scripts in order to take huge log files and make smaller ones with only the data you care about in them.

Designed for when your log files are so big that they cause your web log analysis tools to choke.

Features:
  • Designed for speed, can filter 1gb/min
  • Supports lots of conditional operations including regular expressions (or simpler operations for speed)
  • Supports modification during filtering (ie you can anonymize your logs, simplify urls, strip unwanted info)
  • Can redirect info into multiple output files (ie one script to create 10 output logs, 1 for each program you care about tracking)
  • Can parse multiple input files as if they were one big file
  • Can save and load projects for reuse

Examples:
  • You want to examine patterns of people downloading programs on your site, so you make a filter to extract only hits concerning .exe and .zip files.
  • You want to examine referrer patterns, so you create a filter script to discard all hits with blank referrers or referrers from within your own site.
  • You want to anonymize your logs so you can share them, so you create a script to hash randomize all ips and referrers.
  • You want to look at 404 errors and other nonstandard return codes, so you write a script to split a log files into different output files based on the return code.
  • You want to make a script to extract log files for specific pages and files so that you can give different users log files corresponding to their files/pages.



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