</span>,
             <span class="st">'{"text": "Another text."}'</span>,
             <span class="st">'{"text": "A third text.", "metadata": -100}'</span><span class="op">)</span>,
           <span class="va">tmp</span><span class="op">)</span>

<span class="co"># memory-map the "text" field</span>
<span class="va">data</span> <span class="op">&lt;-</span> <span class="fu"><a href="../reference/read_ndjson.html">read_ndjson</a></span><span class="op">(</span><span class="va">tmp</span>, text <span class=