><div class="spec-doc"><p>Execute the command and read its stdout into a string wrapped in the output type.</p></div></div><div class="odoc-spec"><div class="spec value anchored" id="val-lines"><a href="#val-lines" class="anchor"></a><code><span><span class="keyword">val</span> lines : <span><span><span>(<span class="type-var">'stdin</span>, <a href="Core/index.html#type-stdout">Core.stdout</a>, <span class="type-var">'stderr</span>)</span> <a href="Core/Cmd/index.html#type-t">Core.Cmd.t</a></span> <span cl