\x89\x50\x4E\x47\x0D\x0A\x1A\x0A PNG  \x89\x50\x4E\x47\x0D\x0A\x1A\x0A # frozen_string_literal: false require 'optparse' require 'time' OptionParser.accept(Time) do |s,| begin (Time.httpdate(s) rescue Time.parse(s)) if s rescue raise OptionParser::InvalidArgument, s end end