From: Jonathan Nielsen <jonathan@...>
Date: 2010-01-12T05:51:26+09:00
Subject: Re: redirecting output ruby and from stdout results in blank file

> When I remove the redirection, I see all of the output that I expect.
> However, when I execute the above lines, only std_err has content,
> while std_out has nothing. The output being collected is standard
> printfs in a modified version of WebKit, if that's relevant.

It's possible that I'm misinterpreting what you want here, but you may
want to look into the function popen3:

http://ruby-doc.org/stdlib/libdoc/open3/rdoc/index.html

It let's you specify what to do with the stdin, stdout, and stderr streams.

-Jonathan Nielsen