t</span><span class='period'>.</span><span class='id identifier rubyid_puts'>puts</span> <span class='tstring'><span class='tstring_beg'>&quot;</span><span class='tstring_content'>Executing </span><span class='embexpr_beg'>#{</span><span class='id identifier rubyid_args'>args</span><span class='embexpr_end'>}</span><span class='tstring_end'>&quot;</span></span>
  <span class='id identifier rubyid_wait_thread'>wait_thread</span> <span class='op'>=</span> <span class='const'>Open3</span><span class='period'>.