ter) output filename</p></td>
    </tr>
    <tr>
      <th>hemi</th>
      <td><p>(character) hemisphere to run statistics</p></td>
    </tr>
    <tr>
      <th>sval</th>
      <td><p>(character) source file</p></td>
    </tr>
    <tr>
      <th>subj_dir</th>
      <td><p>(character path) if a different subjects directory
is to be used other than <code>SUBJECTS_DIR</code> from shell, it can be
specified here.  Use with care as if the command fail, it may not reset
the <code>SUBJECTS_DIR</code> back correctl