an></p></td>
<td><div class="variablelist"><table border="0" class="variablelist compact">
<colgroup>
<col align="left" valign="top">
<col>
</colgroup>
<tbody>
<tr>
<td><p><span class="term"><code class="computeroutput">match_or_save</code></span></p></td>
<td><p>if true, the pattern file will be read, otherwise it will be written </p></td>
</tr>
<tr>
<td><p><span class="term"><code class="computeroutput">pattern_file_name</code></span></p></td>
<td><p>indicates the name of the file for matching. If the str