wget https://4dn-open-data-public.s3.amazonaws.com/fourfront-webprod/wfoutput/dd1f05f0-7edd-4953-9c71-bf3620d7f8bf/4DNFIEHJQHCU.bw
aws s3 cp s3://4dn-open-data-public/fourfront-webprod/wfoutput/dd1f05f0-7edd-4953-9c71-bf3620d7f8bf/4DNFIEHJQHCU.bw 4DNFIEHJQHCU
test "d9ad65a23c5a93ac3857e87e03dd12b3" = "$(md5sum undefined)"
drs get -d https://data.4dnucleome.org 4DNFIEHJQHCU