wget https://4dn-open-data-public.s3.amazonaws.com/fourfront-webprod/wfoutput/9fbc8321-fc7c-44d8-908e-f58826ce4186/4DNFI4RWBB4U.bw
aws s3 cp s3://4dn-open-data-public/fourfront-webprod/wfoutput/9fbc8321-fc7c-44d8-908e-f58826ce4186/4DNFI4RWBB4U.bw 4DNFI4RWBB4U
test "de15364feebce18c7baac6dd31deb0bf" = "$(md5sum undefined)"
drs get -d https://data.4dnucleome.org 4DNFI4RWBB4U