./distの中身を./dist.dataにまとめる

dist.rb

#!/usr/bin/env ruby
# ./distの中身を./dist.dataにまとめる
DIST_DIR = './dist'
OUT_PATH = "./dist.data"

paths = []
Dir["#{DIST_DIR}/**/*"].each do |path|
  next if File.directory?(path)
  pathO = path.gsub("#{DIST_DIR}", '')
  paths << [path, pathO]
end

open(OUT_PATH, 'wb') do |f|
  f.write [paths.size].pack('N')
  paths.each do |path, out|
    f.write [out.size].pack('N')
    f.write out
    fsize = File.size(path)
    f.write [fsize].pack('N')
    f.write File.read(path)
  end
end