<?xml version="1.0"?>
<tool id="uni_Mask_1" name="Unique">
  <description>Return unique lines</description>
  <command >cat $inputFile | sort | uniq >  $outputfile</command>
  <inputs>
    <param format="txt" name="inputFile" type="data" label="Input  File" help="Any text or tabular file" />
  </inputs>
  <outputs>
     <data format="txt"  name="outputfile" />
  </outputs>

</tool>