<span class="fu">execGRASS</span><span class="op">(</span></span></span>
<span class="r-in"><span>    <span class="st">"r.random.cells"</span>,</span></span>
<span class="r-in"><span>    flags  <span class="op">=</span> <span class="fu"><a href="https://rdrr.io/r/base/c.html" class="external-link">c</a></span><span class="op">(</span><span class="st">"overwrite"</span>, <span class="st">"quiet"</span><span class="op">)</span>,</span></span>
<span class="r-in"><span>    output <span class="op">=</span> <span