 is an old MARS request file; if so, remove it.</span>

<span class="sd">    Parameters</span>
<span class="sd">    ----------</span>
<span class="sd">    request : int</span>
<span class="sd">        Selects the mode of retrieval.</span>
<span class="sd">        0: Retrieves the data from ECMWF.</span>
<span class="sd">        1: Prints the mars requests to an output file.</span>
<span class="sd">        2: Retrieves the data and prints the mars request.</span>

<span class="sd">    marsfile : str</span>
<