an class="o">-</span><span class="mi">3</span><span class="p">]</span>
        <span class="k">return</span> <span class="n">fname</span><span class="p">,</span> <span class="n">size</span>

    <span class="k">if</span> <span class="n">flag</span> <span class="o">&amp;</span> <span class="n">gzip</span><span class="o">.</span><span class="n">FEXTRA</span><span class="p">:</span>
        <span class="c1"># Read &amp; discard the extra field, if present</span>
        <span class="n">gf</span><span class="o"