def run_command(*args)
      require 'tempfile'
      out = Tempfile.new('tty-screen')
      result = system(*args, out: out.path, err: File::NULL)
      return if result.nil?
      out.rewind
      out.read
    ensure
      out.close if out
    end
def run_command(*args)
      require 'tempfile'
      out = Tempfile.new('tty-screen')
      result = system(*args, out: out.path, err: File::NULL)
      return if result.nil?
      out.rewind
      out.read
    ensure
      out.close if out
    end
Runs command silently capturing the output

 @api private