p;<span class="keyword">val</span>&nbsp;open_in&nbsp;:&nbsp;t&nbsp;<span class="keywordsign">-&gt;</span>&nbsp;<span class="constructor">Pervasives</span>.in_channel<br>
&nbsp;&nbsp;<span class="keyword">val</span>&nbsp;remove&nbsp;:&nbsp;t&nbsp;<span class="keywordsign">-&gt;</span>&nbsp;unit<br>
&nbsp;&nbsp;<span class="keyword">val</span>&nbsp;write&nbsp;:&nbsp;t&nbsp;<span class="keywordsign">-&gt;</span>&nbsp;string&nbsp;<span class="keywordsign">-&gt;</span>&nbsp;unit<br>
&nbsp;&nbsp;<span class="keyw