From: Matt Mongeau Date: 2013-02-24T02:34:46+09:00 Subject: Re: how to see the class creation time in Ruby? To predict your next question you can use ObjectSpace's define_finalizer to automatically write out these files. See: http://www.ruby-doc.org/core-1.9.3/ObjectSpace.html#M001527 And if you have further questions make sure you try some stuff out first. -- Posted via http://www.ruby-forum.com/.