-type through a call to the FILE shell utility.
If the file does not exist or the platform is not unix, NIL is returned.</pre></div> </article> </li>  <li> <article class="definition macro callable" id="MACRO-FUNCTION TRIVIAL-MIMES:MIME-CASE"> <header> <span class="visibility">EXTERNAL</span> <span class="type">MACRO</span> <h4 class="name"> <a href="#MACRO-FUNCTION%20TRIVIAL-MIMES%3AMIME-CASE">MIME-CASE</a> </h4> <ul class="qualifiers"></ul> <ul class="arguments">  <li class="argument">FILE</li>    <li cla