dirjson

#!/usr/bin/env ruby

class File

  class Stat
    def to_hash(*attrs)
      h = {}
      attrs.each do |attr|
        h[attr] = self.send(attr)
      end
      h      
    end
  end
  
end

class Dir

  def self.vglob(path)
  
    filelist = []
    
    Dir.foreach(path) do |f|
      next if f == '.' or f == '..'
      filepath = File.join(path, f)
      filestat = File.stat(filepath)
      h = { name: f }.merge(filestat.to_hash(:atime, :ctime, :mtime))      
      if File.directory? filepath
        list = vglob(filepath)
        dsize = list.map{ |e| e[:size] }.reduce(:+)
        filelist << h.merge({type: :d, size: dsize, contains: list})
      else
        filelist << h.merge({type: :f, size: filestat.size})
      end
    end
    
    filelist

  end

end

require 'json'

path = ARGV.shift

puts Dir.vglob(path).to_json