wget https://4dn-open-data-public.s3.amazonaws.com/fourfront-webprod/wfoutput/c4d09261-63be-4103-b120-f7f89ac135f1/4DNFIJYQ9XOQ.bw
aws s3 cp s3://4dn-open-data-public/fourfront-webprod/wfoutput/c4d09261-63be-4103-b120-f7f89ac135f1/4DNFIJYQ9XOQ.bw 4DNFIJYQ9XOQ
test "2f48491ca1d1b7186aea0522b9e8c556" = "$(md5sum undefined)"
drs get -d https://data.4dnucleome.org 4DNFIJYQ9XOQ