Generic Indy Log Parsing

search.rb

require 'rubygems'
require 'Indy'


custom_pattern = /^(\d{4}-\d{2}-\d{2} \d{2}:\d{2}:\d{2},\d{3})\s*(?:\[[^\]]+\])\s*(INFO|WARN|ERROR)\s*(.+)$/
results = Indy.search("file.log").with([custom_pattern,:time,:severity,:message]).like(:severity => '(?:WARN|ERROR)')

f = File.open('investigate.log','w') do |f|
  results.each do |result|
    f.write("#{result.line}\n")
  end
end