Получение списка хешей, состоящего из пути, sha1-хеша и информации о файле.

fileinfo.rb

require 'digest'


def get_hash(string=nil, file=nil, method='md5')
  raise RuntimeError if string.nil? && file.nil?

  method = method.upcase
  method = Digest.class_eval(method)
  if string
    hash = method.hexdigest(string)
  elsif file
    hash = method.file(file)
  end
  hash
end


def fileinfo(path, full=true)
  error = nil
  begin
    stat = File.stat(path)
    hash = get_hash(path) if full
  rescue
    error = true
    hash = nil
  end

  return {stat: stat, hash: hash, error: error, path: path}
end


root_dir = ARGV[0] ? Dir.exists?(ARGV[0]) : Dir.getwd
files = Dir.glob("#{root_dir}/*/**").select do |item|
  File.file? item
end
files = files.map {|f| fileinfo(f, false)}