From: Nikodemus Siivola <tsiivola@...>
Date: 2002-05-24T22:04:02+09:00
Subject: Re: OS independent scripts, system calls on Windows and Linux


On Fri, 24 May 2002, Tobias Reif wrote:

> commands = Commands.new ['this -x -y','that -a -b']
> commands.each do |cmd|
>    returned = cmd.issue # or ".run", ".enter", ...
>    case returned
>      when Stderr then raise returned
>      when Stdout then puts  returned
>    end
> end

Something like:

require 'open3'

commands.each do |cmd|
   Open3.popen3(cmd) do |in,out,err|
   	out = out.readlines
   	err = err.readlines
   	puts out unless out.empty?
   	raise err unless err.empty?
   end
end

Completely untested, though.


> 2. Will it run unchanged on Win and Lin, etc?

No idea whatsoever. ;) Try and let us know.

 -- Nikodemus