o read an image file and return its metadata. It calls the reader modules to read the metadata and it generates the &quot;meta&quot; information section supported by all image types.</p>
  <div class="section" id="12">
<h1><a class="toc-backref" href="#12">Procs</a></h1>
<dl class="item">
<a id="getMetadata,string"></a>
<dt><pre><span class="Keyword">proc</span> <span class="Identifier">getMetadata</span><span class="Operator">*</span><span class="Other">(</span><span class="Identifier">filename</span><span