From: Luis Lavena <luislavena@...>
Date: 2009-06-07T09:15:08+09:00
Subject: Re: STDIN, OUT, ERR and $stdin, out, err - Differences?

On Jun 5, 10:14 pm, Terry Cooper <terence_coo...@hotmail.com> wrote:
> Can anyone explain what's happening here?
>
> print $stdin.fileno  => 0
> print $stdout.fileno => 0
> print $sterr.fileno  => 0
>
> print STDIN.fileno  => 0
> print STDOUT.fileno => 1
> print STDERR.fileno => 2
>
> print STDOUT.object_id     => 21673330
> print $stdout.object_id    => 21673330
>
> I get the same results in and out of eclipse and with irb
>
> ruby 1.8.6, XP
>
> Many thanks.

Differences between $stdout and STDOUT:

http://blog.segment7.net/articles/2006/08/17/stdout-vs-stdout

The bottom line is don't mess with STDOUT and use $stdout instead.

Regards,
--
Luis Lavena