# How to run ``` ruby entry.rb ruby entry.rb | ruby ruby entry.rb | ruby | ruby ruby entry.rb | ruby | ruby | ruby ... ``` Confirmed on the following environments: - ruby 2.2.3p173 (2015-08-18 revision 51636) [x86_64-darwin14] - ruby 2.0.0p353 (2013-11-22) [i386-mingw32] # Description A simple quine which prints itself twice on a slightly complex base. > geminum caput amphisbaenae, hoc est et a cauda, > tamquam parum esset uno ore fundi venenum. > aliis squamas esse, aliis picturas, omnibus exitiale virus. > > — GAIUS PLINIUS SECUNDUS, Naturalis Historia 8.85.1