gistfile1.txt

#!/usr/bin/ruby
require 'date'

session = Hash.new
time = Array.new
parseapache = /.*\[(.*) .*\].* ([a-zA-Z0-9]+)$/

File.open("test1000").each do |line|
        matches =  parseapache.match(line)
         if matches
		 if !(session[matches[2]])
			session[matches[2]] = Array.new
			session[matches[2]] << DateTime.strptime(matches[1], "%d/%b/%Y:%H:%M:%S")
		else
                        session[matches[2]] << DateTime.strptime(matches[1], "%d/%b/%Y:%H:%M:%S")
		end
        end
end

session.map { |k, v| [k, v.sort] }.to_h

session.each do |key, value|
	all_duration = value[-1] - value[0]	
	if all_duration > 1800
		value.each do |x, y|
			if y - x > 1800
				
end