Listing 1. Downlink Pipeline Demonstrating tar, gzip and netcat

# Configure the file download pipeline
tar -cf - ${downloadFileList} | gzip -c -l | \
    file_downloader -tqid ${target_qid} -rlp \
                          ${return_link_path} \
                     -dri ${dump_request_id} \
                     -fmt ${dataFormat} | \
    netcat localhost ${!returnLinkService}