<tool id="onto_tk_get_descendent_terms" name="Get the descendent terms" version="@VERSION@.0">
    <description>of a given OBO term</description>
    <macros>
        <import>onto_macros.xml</import>
    </macros>
    <expand macro="requirements" />
    <command detect_errors="aggressive">
        get_descendent_terms.pl
            -f '$input'
            -t '$term_id' > '$output'
    </command>
    <inputs>
        <expand macro="input_ontology" />
        <expand macro="term_id" />
    </inputs>
    <outputs>
        <data format="tabular" name="output" label="Descendent terms of ${on_string}">
            <actions>
                <action name="column_names" type="metadata" default="term ID,term name" />
            </actions>
        </data>
    </outputs>
    <tests>
        <test>
            <param name="input" value="pre_cco_core.obo"/>
            <param name="term_id" value="CCO:P0000019"/>
            <output name="output" file="descendents.tab"/>
        </test>
    </tests>
    <help>

.. class:: infomark

Collects the descendent terms (list of IDs) from a given term (existing ID) in the given OBO ontology.

**Example**

If you ask for the descendents of the Gene Ontology term with ID **GO:000741** you will get::

  GO:0048288	nuclear membrane fusion during karyogamy
  GO:0000745	nuclear migration during conjugation without cellular fusion
  GO:0000744	karyogamy during conjugation without cellular fusion
  GO:0032871	regulation of karyogamy
  GO:0007344	pronuclear fusion
  GO:0000742	karyogamy during conjugation with cellular fusion
  GO:0010197	polar nucleus fusion
  GO:0000743	nuclear migration during conjugation with cellular fusion

    </help>
    <expand macro="citations" />
</tool>