From: Josh Cheek <josh.cheek@...>
Date: 2012-04-13T14:21:23+09:00
Subject: Re: Change the value of a variable inside a running ruby program.

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On Thu, Apr 12, 2012 at 8:38 PM, Matthew Smith <lists@ruby-forum.com> wrote:

> I have a program that is running constantly and I'd like to be able to
> change the value of a variable inside it from the outside by doing
> something on the command line.
>
> Ideally, this would happen via an interrupt process so that the program
> doesn't have to continuously poll some resource.
>
> Right now, the program just polls mysql every few seconds to see if
> someone has changed a setting which is stored in a table.  Ideally, I'd
> like the program to read from the table on startup but then not have to
> poll mysql anymore to see if the setting has been changed.
>
> Hopefully I'm making sense here...
>
> --
> Posted via http://www.ruby-forum.com/.
>
>
You might be able to use DRb to expose those settings (I don't know much
about it, but this seems like the kind of thing it could do).

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On Thu, Apr 12, 2012 at 8:38 PM, Matthew Smith <span dir=3D"ltr">&lt;<a hre=
f=3D"mailto:lists@ruby-forum.com">lists@ruby-forum.com</a>&gt;</span> wrote=
:<br><div class=3D"gmail_quote"><blockquote class=3D"gmail_quote" style=3D"=
margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
I have a program that is running constantly and I&#39;d like to be able to<=
br>
change the value of a variable inside it from the outside by doing<br>
something on the command line.<br>
<br>
Ideally, this would happen via an interrupt process so that the program<br>
doesn&#39;t have to continuously poll some resource.<br>
<br>
Right now, the program just polls mysql every few seconds to see if<br>
someone has changed a setting which is stored in a table. =A0Ideally, I&#39=
;d<br>
like the program to read from the table on startup but then not have to<br>
poll mysql anymore to see if the setting has been changed.<br>
<br>
Hopefully I&#39;m making sense here...<br>
<span class=3D"HOEnZb"><font color=3D"#888888"><br>
--<br>
Posted via <a href=3D"http://www.ruby-forum.com/" target=3D"_blank">http://=
www.ruby-forum.com/</a>.<br>
<br>
</font></span></blockquote></div><br><div>You might be able to use DRb to e=
xpose those settings (I don&#39;t know much about it, but this seems like t=
he kind of thing it could do).</div>

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