wget https://4dn-open-data-public.s3.amazonaws.com/fourfront-webprod/wfoutput/f7ff1a32-b9bd-4efa-883d-55ca5a30bd13/4DNFIVRMDBA2.bw
aws s3 cp s3://4dn-open-data-public/fourfront-webprod/wfoutput/f7ff1a32-b9bd-4efa-883d-55ca5a30bd13/4DNFIVRMDBA2.bw 4DNFIVRMDBA2
test "45d5eca3df952ad076dd1c0d460f988f" = "$(md5sum undefined)"
drs get -d https://data.4dnucleome.org 4DNFIVRMDBA2