wget https://4dn-open-data-public.s3.amazonaws.com/fourfront-webprod/wfoutput/0b8ac0f5-a41e-489f-9a7b-8f53ecb0ac66/4DNFIVIZ4MXB.bw
aws s3 cp s3://4dn-open-data-public/fourfront-webprod/wfoutput/0b8ac0f5-a41e-489f-9a7b-8f53ecb0ac66/4DNFIVIZ4MXB.bw 4DNFIVIZ4MXB
test "c04a51bd1901d67c067a29b07c562a22" = "$(md5sum undefined)"
drs get -d https://data.4dnucleome.org 4DNFIVIZ4MXB