wget https://4dn-open-data-public.s3.amazonaws.com/fourfront-webprod/wfoutput/c81fa0c4-16df-4d0e-b6b5-1425a2ffe002/4DNFIDPK7WFE.bw
aws s3 cp s3://4dn-open-data-public/fourfront-webprod/wfoutput/c81fa0c4-16df-4d0e-b6b5-1425a2ffe002/4DNFIDPK7WFE.bw 4DNFIDPK7WFE
test "731e09cd197a5e9e5f103d004ff96fd3" = "$(md5sum undefined)"
drs get -d https://data.4dnucleome.org 4DNFIDPK7WFE