<tool id="catdc" name="Concatenate datasets (in docker)" version="2.12">
    <description>tail-to-head</description>
    <requirements>
      <container type="docker">triasteran/bowite0127:latest</container>
    </requirements>
    <command>
      echo $input1
      bowtie --version > $out_file1
      python2 --version > $out_file1
      bowtie-build --version $out_file1
    </command>
    <inputs>
        <param name="input1" type="data" label="Concatenate Dataset"/>
    </inputs>
    <outputs>
        <data name="out_file1" format="input"/>
    </outputs>
    <help>
    </help>
</tool>