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

<tool id="EMBOSS: pepwindow73" name="pepwindow" version="5.0.0">
  <!-- produces png file -->
  <description>Displays protein hydropathy</description>
  <requirements><requirement type="package" version="5.0.0">emboss</requirement></requirements>
  <command interpreter="perl">emboss_single_outputfile_wrapper.pl pepwindow -sequence $input1 -graph png -goutfile $out_file1 -length $length -auto</command>
  <inputs>
    <param format="data" name="input1" type="data">
      <label>Sequence</label>
    </param>
    <param name="length" size="10" type="text" value="7">
      <label>Window size</label>
    </param>
  </inputs>
  <outputs>
    <data format="png" name="out_file1" />
  </outputs>
  <help>
    You can view the original documentation here_.
    
    .. _here: http://emboss.sourceforge.net/apps/release/5.0/emboss/apps/pepwindow.html
  </help>
</tool>