wget https://4dn-open-data-public.s3.amazonaws.com/fourfront-webprod/wfoutput/a57eaf8a-7a8b-4739-8fb0-251665564b44/4DNFIXRAEVJO.bw
aws s3 cp s3://4dn-open-data-public/fourfront-webprod/wfoutput/a57eaf8a-7a8b-4739-8fb0-251665564b44/4DNFIXRAEVJO.bw 4DNFIXRAEVJO
test "a2180b45489bda69ce6894ecc66e06f4" = "$(md5sum undefined)"
drs get -d https://data.4dnucleome.org 4DNFIXRAEVJO