 class="va">otb</span><span class="op">$</span><span class="va">exist</span><span class="op">)</span> <span class="op">{</span></span></span>
<span class="r-in"><span><span class="co"># call it for a default OSGeo4W installation of the OTB</span></span></span>
<span class="r-in"><span><span class="fu"><a href="https://rdrr.io/r/base/print.html" class="external-link">print</a></span><span class="op">(</span><span class="va">otb</span><span class="op">)</span></span></span>
<span class="r-in"><span><span clas