to use if more than one available.
If using the cache, you must have the appropriate assembly's cache file installed.
If not specified and you have only 1 assembly version installed, this will be chosen by default.
Default = use found assembly version (GRch37)</p></td>
    </tr>
    <tr>
      <th>dir</th>
      <td><p>Specify the base cache/plugin directory to use. Default = '$HOME/.vep/'</p></td>
    </tr>
    <tr>
      <th>input.file</th>
      <td><p>Input file name. If not specified, the script will a