A skelton script to transform Rails log

trans_railslog.rb

#!/usr/bin/env ruby

buf = {}
ARGF.readlines.each do |l|
  case l.chomp
  when /^Started ([^\s]+) "([^\s]+)" .* at ([-0-9]+) ([:0-9]+).*/
    _, method, path, date, time = Regexp.last_match.to_a
    buf.merge!(:method => method, :path => path, :date => date, :time => time)
  when /^Completed/
    puts "%s %s %s" % [buf[:time], buf[:method], buf[:path]]
  when /^$/
    # nop
  end
end