<tool id="table-sort" name="Sort tabular dataset" version="0.1.0">
    <description>on specified header or headers</description>
    <requirements>
        <!-- <requirement type="package" version="3.4">python3</requirement> -->
    </requirements>
    <command detect_errors="exit_code"><![CDATA[
        cat $table | python $__tool_directory__/table-sort.py $headers > $sorted
    ]]></command>
    <inputs>
        <param name="table" format="tsv" label="Table in TSV format to sort." type="data" />
        <param name="headers" type="text" label="Space-delimited list of headers on which to sort." />
    </inputs>
    <outputs>
        <data name="sorted" format="tsv" label="Sorted table" />
    </outputs>
    <tests>
        <test>
            <param name="table" value="combined.tsv" ftype="tsv" />
            <param name="headers" value="flavor" />
            <output name="sorted" value="sorted.tsv"/>
        </test>
        <test>
            <param name="table" value="sort_test_multiple.txt" ftype="tsv" />
            <param name="headers" value="A D" />
            <output name="sorted" value="sort_test_multiple_sorted.txt"/>
        </test>
    </tests>
    <help><![CDATA[
        Sort a table, ascending, by one or more rows.
    ]]></help>

    <citations>
    </citations>
</tool>