ery needed parameter in a hash. In the below example the keys <code>base</code> (basename of file), <code>file</code> (filename) and <code>data</code> (read PDL data) are used.</p>

<pre><code> my %image = (                          # Initialize Hash
        base =&gt; &quot;miraculous-image-400x533&quot;,
        file =&gt; &quot;miraculous-image-400x533.png&quot;,
 );
 $image{data} = read_png($image{file}); # Assign Value to Hash Element
 info_pdl($image{data},$image{file});   # Use Hash Values</code></pr