empfile</a></span><span class="op">(</span>fileext <span class="op">=</span> <span class="st">".nii.gz"</span><span class="op">)</span>, retimg <span class="op">=</span> <span class="cn">FALSE</span><span class="op">)</span></span>
<span></span>
<span><span class="fu">fslasin</span><span class="op">(</span></span>
<span>  <span class="va">file</span>,</span>
<span>  outfile <span class="op">=</span> <span class="cn">NULL</span>,</span>
<span>  retimg <span class="op">=</span> <span class="cn">TRUE</span>,</