From: Sebastian Hungerecker <sepp2k@...>
Date: 2007-12-23T17:41:27+09:00
Subject: Re: Fairly elementary UNIX question

Steckly, Ron wrote:
> I'd like to be able to make a simple GUi for [R] so that its easier for
> people to enter commands who are still learning R.  But I'm not sure how
> to script to a terminal....

"script to a terminal" is maybe the wrong term, because there is no terminal 
involved at all (at least no xterm). You want pipes:

require 'open3'
input, output, errors = Open3.popen3("R")
input.puts "my_command"
response = output.gets
...


HTH,
Sebastian
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