From: Adam Gardner <adam.oddfellow@...>
Date: 2009-02-25T04:31:43+09:00
Subject: Re: Can Ruby interact with the shell sh ?

Raimon Fs wrote:
> Hello,
> 
> 
> I have to establish an VPN connection, currently I'm doing with another
> app that can interact with the shell (on OS X), but now I want to
> refactor all of this and use Ruby for that.
> 
> What I'm trying is a lot of information about irb but that's not what I
> want.
> 
> In pseudo code:
> 
> open a shell promtp
> issue a command
> read the answer
> issue a command
> ...
> 
> thanks!
> 
> r.

If you just want responses from commands, you can simply use lines like 
response  = `command`
On the other hand, if you need to interact multiple times with a program 
*other* than the shell, during the course of it's runtime, I think you'd 
want to use IO.popen.
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