h</code> already
    exists, its contents will be replaced with those of <code class="code">oldpath</code>.
    Depending on the operating system, the metadata (permissions,
    owner, etc) of <code class="code">newpath</code> can either be preserved or be replaced by
    those of <code class="code">oldpath</code>.</p>
</div>
<ul class="info-attributes">
<li><b>Since</b> 4.06 concerning the "replace existing file" behavior</li>
</ul>
</div>

<pre><span id="VALgetenv"><span class="keyword">val</span> getenv<