Apply <code>()</code> to the <code>close</code> property to close any managed file descriptors and wait for the process to exit.</p></div></div><div class="odoc-spec"><div class="spec value anchored" id="val-pp"><a href="#val-pp" class="anchor"></a><code><span><span class="keyword">val</span> pp : <span><span class="xref-unresolved">Stdlib</span>.Format.formatter <span class="arrow">&#45;&gt;</span></span> <span><span><span>(<span class="type-var">'stdin</span>, <span class="type-var">'stdout</span>, <span 