RIO.html in rio-0.3.2

- old
+ new

@@ -441,9 +441,44 @@
 </p>
 <pre>
  rio(??)
  rio(??,basename='rio',tmpdir=Dir::tmpdir)
 </pre>
+<p>
+To create a temporary object that will become a file or a directory,
+depending on how you use it:
+</p>
+<pre>
+ rio(??)
+ rio(??,basename='rio',tmpdir=Dir::tmpdir)
+</pre>
+<p>
+To force it to become a file
+</p>
+<pre>
+ rio(??).file
+</pre>
+<p>
+or just write to it.
+</p>
+<p>
+To force it to become a directory:
+</p>
+<pre>
+ rio(??).dir
+</pre>
+<p>
+or
+</p>
+<pre>
+ rio(??).mkdir
+</pre>
+<p>
+or
+</p>
+<pre>
+ rio(??).chdir
+</pre>
 <h5>Creating a <a href="RIO/Rio.html">Rio</a> that refers to an arbitrary TCPSocket</h5>
 <pre>
  rio('tcp:',hostname,port)
 </pre>
 <p>
\ No newline at end of file