require 'open3'

module ShellJob
  @queue = :default

  def self.perform(*args)
    puts "$ #{args.join(' ')}"
    Open3.popen3(*args) do |stdin, stdout, stderr|
      puts stdout.read.inspect
    end
  end
end

## Queue it up

# Resque.enqueue(ShellJob, 'which', 'cat')
ShellJob.perform('which', 'cat')

## Output:

# $ which cat
# "/bin/cat\n"