<tool id="cgview" name="cgview" version="1.0+galaxy0">
    <description>Circular Genome Viewer</description>
    <requirements>
        <requirement type="package" version="1.0">cgview</requirement>
    </requirements>   
    <command detect_errors="exit_code">
        <![CDATA[
          cgview
           -i '${input}'
           -o '${output}'
        ]]>  
    </command>
    <inputs>
        <param name="input" type="data" format="xml" label="Input" help=""/>
    </inputs>
    <outputs>
        <data name="output" format="png"/> 
    </outputs>
    <tests>
    </tests>
    <help>
    </help>
    <citations>
        <citation type="bibtex">
            @article{
              stothard2004circular,
              title={Circular genome visualization and exploration using CGView},
              author={Stothard, Paul and Wishart, David S},
              journal={Bioinformatics},
              volume={21},
              number={4},
              pages={537--539},
              year={2004},
              publisher={Oxford University Press}
            }
    </citation>
  </citations>
</tool>