From: Sonny Chee <sonny.chee@...>
Date: 2007-04-07T02:09:32+09:00
Subject: Re: A convoluted question about stdout

Thanks Sean.  This is exactly what I was looking for.... for some reason 
I overlooked the StringIO class when I was perusing the Standard Library 
listing.

Sonny.


Sean O'halpin wrote:
> On 4/6/07, Sonny Chee <sonny.chee@gmail.com> wrote:
>>
>>
> Maybe something like this (a variation on Bruce's post):
> 
> def capture_stdout(&block)
>   raise ArgumentError, "No block given" if !block_given?
>   old_stdout = $stdout
>   $stdout = sio = StringIO.new
>   yield
>   $stdout = old_stdout
>   sio.rewind
>   sio.read
> end
> 
> txt = capture_stdout do
>   puts "dlroW olleH"
> end
> puts txt.reverse
> 
> Regards,
> Sean


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