# Something like an interpreter

**URL:** <https://www.ruby-forum.com/t/something-like-an-interpreter/176241>\
**Category:** Ruby\
**Created:** [September 27, 2009, 8:52pm UTC](https://www.ruby-forum.com/t/something-like-an-interpreter/176241 "2009-09-27T20:52:41Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![malev05](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/m/5fc32e/32.png) [@malev05](https://www.ruby-forum.com/u/malev05)\
**Post date:** [September 27, 2009, 8:52pm UTC](https://www.ruby-forum.com/t/something-like-an-interpreter/176241/1 "2009-09-27T20:52:41Z")

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Hi,  
I’ve seen this  
screencast[http://www.engineyard.com/blog/community/scotland-on-rails/the-ruby-object-model/](http://www.engineyard.com/blog/community/scotland-on-rails/the-ruby-object-model/)in  
where the presenter is editing ruby code in an editor, and everty time  
he  
save’s the file, the code exectute in an other window with really cool  
colors and really fast! excelent for debugging or when you are learning  
something new.  
anyone knows what is the program he is using?

regards!