>+</span><span class="st"> </span><span class="dv">1</span></a>
<a class="sourceLine" id="cb4-24" data-line-number="24"></a>
<a class="sourceLine" id="cb4-25" data-line-number="25">    <span class="co"># Prg. bar</span></a>
<a class="sourceLine" id="cb4-26" data-line-number="26">    pb<span class="op">$</span><span class="kw">tick</span>()</a>
<a class="sourceLine" id="cb4-27" data-line-number="27">    <span class="kw"><a href="https://www.rdocumentation.org/packages/base/topics/Sys.sleep">Sys.sleep</a></sp