abel-17" id="label-17"><code>shapefile.field_name <var>index</var></code></a></dt><!-- RDLabel: "shapefile.field_name index" -->
<dd>
returns the name of the attribute field with <var>index</var>, or nil on failure.</dd>
<dt><a name="label-18" id="label-18"><code>shapefile.field_type <var>field</var></code></a></dt><!-- RDLabel: "shapefile.field_type field" -->
<dd>
returns the type of the <a href="#label-89">attribute field</a>.
The result is Symbol
(one of :String, :Integer, :Float, :Logical, or :Invalid)