From: Raimon Fs <coder@...>
Date: 2009-02-26T03:04:27+09:00
Subject: Re: Can Ruby interact with the shell sh ?

 See, this is what I was referring to when I said a program other than
> the shell. You're using the shell here, but you almost certainly don't 
> need to be. The program whose output you actually care about if not 
> /bin/sh, but /usr/local/bin/vpnclient
> 
> So, you could change your code in this way:
> 
> IO.popen("/usr/local/bin/vpnclient connect xxxxx user xxxxxxx pwd 
> xxxxxxxxxx","r+") do |s|
> 
>   while line = s.gets do
>       puts " ** #{line}"
>       if line =~ %r{y/n}
>           s.puts 'y'
>       end
>   end
> 
> end
> 
> 
> I don't have the vpnclient program on my machine, so I can't test it, 
> but it should work exactly the same. Or, if my code is not exactly 
> correct, I hope at least I've conveyed the idea clearly.
> 
> Incidentally, there is a command line tool called 'yes' that will help 
> you accomplish what you want as well.
> 
> system("yes | /usr/local/bin/vpnclient connect xxxxx user xxxxxxx pwd 
> xxxxxxxxxx")
> 
> Of course, that only helps with the immediate situation where the only 
> interactivity is answering y/n questions and you want to answer all of 
> them 'y', but it where you can use it, it's a lot simpler.

thanks a lot for all this usefull information, I think the 'yes' command 
is the top winner today

:-)

regards,

r.

ps. I can't test the code now as the VPN has been blocked today
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