How to extract single column with Spring FixedLengthTokenizer
<p>In all examples ranges are looking similar to something below and they are supposed to extract multiple colums.</p>

<pre><code>&lt;bean id="fixedFileTokenizer" class="org.springframework.batch.item.file.transform.FixedLengthTokenizer"&gt;
        &lt;property name="names" value="Producto , Localidad, Moneda, Comp_instit, Saldo, Filler" /&gt;
        &lt;property name="columns" value="1-3, 4-9, 10-12, 13-15, 16-29, 30-31" /&gt;
&lt;/bean&gt;
</code></pre>

<p>But how should I extract data from single column? Putting just <code>16</code> does not work. Should it be something like <code>16-16</code> or <code>16-17</code>?</p>