<tool id="bgzip" name="Bgzip" version="1.0.0">
    <description>Run bgzip compression on file </description>
    <requirements>
        <requirement type="package" version="0.2.6">tabix</requirement>
    </requirements>
    <command>                    
        bgzip -c -f $input> $output
    </command>
    <inputs>
        <param name="input" type="data" label="Input file" />
    </inputs>
    <outputs>
        <data name="output" format="bgzip" label="${tool.name} on ${on_string}">
            <change_format>
                <when input="$input.ext" value="vcf" format="vcf_bgzip" />
            </change_format>
        </data>
    </outputs>
    <help>
**About this tool**

**Bgzip**: Block compression/decompression utility. Outputs compressed (bgzipped) version of input file.

More info here: http://www.htslib.org/doc/tabix.html
  </help>
</tool>