root/galaxy-central/tools/emboss_5/emboss_charge.xml

<tool id="EMBOSS: charge8" name="charge" version="5.0.0">
  <description>Protein charge plot</description>
  <requirements><requirement type="package" version="5.0.0">emboss</requirement></requirements>
  <command>charge -seqall $input1 -outfile $out_file1 -window $window -auto</command>
  <inputs>
    <param format="fasta" name="input1" type="data">
      <label>On query</label>
    </param>
    <param name="window" size="4" type="text" value="5">
      <label>Window Size</label>
    </param>
  </inputs>
  <outputs>
    <data format="charge" name="out_file1" />
  </outputs>
 <!--   <tests>
    <test>
      <param name="input1" value="2.fasta"/>
      <param name="window" value="5"/>
      <output name="out_file1" file="emboss_charge_out.charge"/>
    </test>
  </tests>--> 
  <help>

.. class:: warningmark 

The input dataset needs to be sequences. 

----- 

    You can view the original documentation here_.
    
    .. _here: http://emboss.sourceforge.net/apps/release/5.0/emboss/apps/charge.html
  </help>
</tool>