/code></a></dt><!-- RDLabel: "ShapeFile::open filename, access = 'rb'" -->
<dt><a name="label-8" id="label-8"><code>ShapeFile::open(<var>filename</var>, <var>access</var> = '<var>rb</var>') { |<var>fp</var>| ... }</code></a></dt><!-- RDLabel: "ShapeFile::open" -->
<dd>
<p>The <code>open</code> method opens an existing shapefile. </p>
<p>Argument <var>filename</var> should be
either fullname (like "<code>basename.shp</code>")
or just basename (like "<code>basename</code>").
Suffix <code>.shp</code> must be l