orderlogs.rb

gistfile1.txt

#!/usr/bin/env ruby
require 'time'

if ARGV.length != 1
  puts "Usage: ruby orderlogs.rb input.log"
  exit 1
end

input_file = ARGV[0]
output_file = "output.log"

begin
  lines = File.readlines(input_file)
  entries = []
  current_entry = []

  timestamp_regex = /^\[\d{4}-\d{2}-\d{2}T\d{2}:\d{2}:\d{2}\.\d{3}Z\]/

  lines.each do |line|
    if line.match?(timestamp_regex)
      entries << current_entry.join if current_entry.any?
      current_entry = [line]
    else
      current_entry << line
    end
  end
  entries << current_entry.join if current_entry.any?

  # Sort entries by the timestamp in the first line
  sorted_entries = entries.sort_by do |entry|
    match = entry.match(timestamp_regex)
    if match
      Time.parse(match[0][1..-2]) rescue Time.at(0)
    else
      Time.at(0)
    end
  end

  File.open(output_file, "w") do |f|
    sorted_entries.each { |entry| f.puts(entry.chomp) }
  end

  puts "Sorted log written to #{output_file}"
rescue => e
  puts "Error: #{e.message}"
end