l that is happening, fold over lines from stdout. This function uses asynchronous I/O internally, so the optional <code>sleep</code> parameter is provided as a means to pause briefly if output is expected to be slow to avoid pegging the CPU with a loop that does nothing.</p></div></div><div class="odoc-spec"><div class="spec value anchored" id="val-bind"><a href="#val-bind" class="anchor"></a><code><span><span class="keyword">val</span> bind : 
  <span><span><span>(<span class="type-var">'stdin</span>, <spa