<tool id="split_pairs" name="Split Dataset Pairs" version="0.1">
    <description>into two regular datasets</description>
    <command detect_errors="aggressive"><![CDATA[
cp '$pair_input.forward' '$fwd' &&
cp '$pair_input.reverse' '$rev'
    ]]></command>
    <inputs>
        <param name="pair_input" type="data_collection" collection_type="paired" label="Paired dataset"/>
    </inputs>
    <outputs>
        <data name="fwd" format="auto" label="${tool.name} on ${on_string}: forward file"/>
        <data name="rev" format="auto" label="${tool.name} on ${on_string}: reverse file"/>
    </outputs>
    <tests>
        <test>
            <param name="pair_input">
                <collection type="paired">
                    <element name="forward" value="forward.txt" />
                    <element name="reverse" value="reverse.txt" />
                </collection>
            </param>
            <output name="fwd" file="forward.txt" />
            <output name="rev" file="reverse.txt" />
        </test>
    </tests>
    <help><![CDATA[
Takes as input a dataset pair, and outputs the forward and reverse files as two regular files.

This tool does not alter the datasets, it is simply a convenience tool for workflows.
    ]]></help>
</tool>