dontrun{</span></span></span>
<span class="r-in"><span>  <span class="va">db</span> <span class="op">&lt;-</span> <span class="fu"><a href="connect_online.html">connect_online</a></span><span class="op">(</span><span class="op">)</span></span></span>
<span class="r-in"><span>  <span class="fu">close_db_connection</span><span class="op">(</span><span class="va">db</span><span class="op">)</span></span></span>
<span class="r-in"><span><span class="op">}</span> <span class="co"># }</span></span></span>
<span c