From: Sean O'Halpin <sean.ohalpin@...>
Date: 2010-08-30T23:48:51+09:00
Subject: Re: How to make a ruby script listining for interactivity?

On Fri, Aug 27, 2010 at 2:01 PM, Bart Van bos <bvb@vasco.com> wrote:
> Hi folks,
>
> I would like to know if I can make a ruby script interactive. I don't
> mean using IRB, but I would like to be able to interact within my
> scripts after I press a certain 'magic' key. So far I have been looking
> into trap and signals, but I don't really find the thing I need.
>
> For those who know/used TCL, I loved using package 'interactive'. This
> package allowed me to 'pause' my scripts with <CTRL-P>, giving me a
> command interpreter that allowed my to interact with me script. This is
> very useful for debugging purposes, since it allows you to 'pause' your
> script and check some variables, instances, etc... Pressing the magic
> key <CTRL-P> again 'unpaused' the script and let it run further on.
>
> Really good stuff for debugging complex things without using 'puts' and
> 'messing up' your nice coded scripts.
>
> Any idea on how to get this done anyone?

You could try ruby-debug.

Quick intro here:
http://pivotallabs.com/users/chad/blog/articles/366-ruby-debug-in-30-seconds-we-don-t-need-no-stinkin-gui-
Details here: http://bashdb.sourceforge.net/ruby-debug.html

Regards,
Sean