From: Pito Salas <rps@...>
Date: 2009-08-25T21:08:26+09:00
Subject: Re: Asynchronous process to process pipe IO

Robert Klemme wrote:

> Then you'll want to use one of the popen family of functions.  Even with
> IO.popen you can pass arguments:
> 
> IO.popen ["./iacommand.rb", "arg", "arg"] do |io|
>    ...
> end
> 
> Note, if you also want to write to the process's stdin, you need to
> provide a file mode as second argument.  See docs.

This is what I originally had. Pretty similar...

open("|-", "r") do |worker|
    if worker
...
    else
      exec("./iacommand.rb", "arg", "arg")
    end
 end

How do you think that the idea you show above is different/better? This 
gets pretty subtle... Thanks again for the great thread about Threads :)
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