<tool id="WigAdd" name="Add" version="1.0.0">
  <description>multiple (Big)Wig files</description>
  <command interpreter="sh">
    galaxyToolRunner.sh wigmath.Add -o $output
      #for $input in $inputs
        ${input.file}
      #end for
  </command>
  <inputs>
      <repeat name="inputs" title="(Big)Wig file">
        <param name="file" type="data" format="bigwig,wig" />
      </repeat>
  </inputs>
  <outputs>
      <data format="wig" name="output" />
  </outputs>
  
<help>
</help>
</tool>