view list_elements.xml @ 1:1c908001bfcd draft default tip

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<tool id="list_elements" name="List elements of collection" version="0.2.0+galaxy0" profile="21.05">
    <requirements>
    </requirements>
    <command detect_errors="exit_code"><![CDATA[
        #set $last_element = len(list($coll)) - 1
        #for $i, $element in enumerate($coll)
             echo '${element.name}' >> ${output1}
             #if $i != $last_element
                &&
             #end if
        #end for
    ]]></command>
    <inputs>
        <param name="coll" type="data_collection" collection_type="list:list" label="Dataset collection"/>
    </inputs>
    <outputs>
        <data name="output1" format="txt" label="Collection names ${on_string}" />
    </outputs>
    <tests>
        <test>
            <param name="coll">
                <collection type="list">
                    <element name="one" value="one.txt" ftype="txt" />
                    <element name="two" value="two.txt" ftype="txt" />
                </collection>
            </param>
            <output name="output1" file="output.txt" /> 
        </test>
    </tests>
    <help><![CDATA[
        Outputs the names of the elements of a collection (of list type).
    ]]></help>
    <citations></citations>
</tool>