gistfile1.txt

def with_temp_folder(&block)
  count = 0
  begin
    name = "/tmp/test#{rand(2 ** 32)}"
    Dir.mkdir(name)
  rescue SystemCallError
    retry if count < 10
    raise
  end

  begin
    yield name
  ensure
    Dir.foreach(name) { |fn| puts fn; File.delete("#{name}/#{fn}") unless [ ".", ".." ].include?(fn) }
    Dir.rmdir(name)
  end
end