<tool id="catsn" name="Swift hello">
  <description>A Swift tool to run hello world</description>
  
  <command interpreter="bash">
  swift-hello "$site" "$n" "$html_file.files_path" "$log_file" "$html_file"
  </command>
  <inputs>
    <param name="site" type="select" label="Execution Location">
       <option value="localhost">Localhost</option>
       <option value="cluster">Cluster</option>
    </param>
    <param name="n" type="text" value="2" label="Number of tasks to run "/>
  </inputs>
  <outputs>
     <data format="txt" name="log_file" type="data" label="Swift output" />
     <data format="html" name="html_file" label="catsnoutput.html" />
  </outputs>
</tool>