wget https://4dn-open-data-public.s3.amazonaws.com/fourfront-webprod/wfoutput/4b745542-227b-4ac7-91e7-8e3d04716434/4DNFIXOBNHUV.bb
aws s3 cp s3://4dn-open-data-public/fourfront-webprod/wfoutput/4b745542-227b-4ac7-91e7-8e3d04716434/4DNFIXOBNHUV.bb 4DNFIXOBNHUV
test "b6d197c1ac26dcd9c90414e239d6bcf8" = "$(md5sum undefined)"
drs get -d https://data.4dnucleome.org 4DNFIXOBNHUV