Test: SSH Connection with multiple execs

gistfile1.rb

#!/usr/bin/env ruby
$VERBOSE=nil
require 'rubygems'
require 'net/ssh'
require 'logger'
logger=Logger.new(STDOUT)

Net::SSH.start( 'localhost', `whoami`.chomp) do |ssh|
  rc, stdout, stderr = 0, "", ""
  last_out, last_err = "", ""
  ssh.open_channel do |channel| # open the SSH channel
    channel.on_request("exit-status") do |ch, data| # handle the return code
      logger.info last_out unless last_out == ""
      logger.warn last_err unless last_err == ""
      rc = data.read_long.to_i
      ch.close # process finished, close the channel
    end
    channel.on_data do |ch, data| # handle STDOUT output
      stdout << data
      last_out << data
      logger.debug(data)
      if data[-1]=="\n"
        logger.info(last_out.chomp) unless block_given?
        last_out = ""
      end
    end
    channel.on_extended_data do |ch, type, data| # handle STDERR output
      options[:stderr_to_stdout] ? stdout << data : stderr << data # store error where appropriate
      last_err << data
      if data[-1]=="\n"
        logger.warn(last_err.chomp) unless block_given?
        last_err = ""
      end
    end
    channel.exec "var='foo'; echo Value: $var"
    channel.exec "echo Value: $var"
    ssh.loop # wait for the SSH channel to close
  end
end