# File lib/sup/util.rb, line 349
  def to_human_size
    if self < 1024
      to_s + "b"
    elsif self < (1024 * 1024)
      (self / 1024).to_s + "k"
    elsif self < (1024 * 1024 * 1024)
      (self / 1024 / 1024).to_s + "m"
    else
      (self / 1024 / 1024 / 1024).to_s + "g"
    end
  end