wget https://4dn-open-data-public.s3.amazonaws.com/fourfront-webprod/wfoutput/8ced1c4d-b804-4864-8db2-ccf33db3a167/4DNFI4WZGW78.bw
aws s3 cp s3://4dn-open-data-public/fourfront-webprod/wfoutput/8ced1c4d-b804-4864-8db2-ccf33db3a167/4DNFI4WZGW78.bw 4DNFI4WZGW78
test "b43f4054d2dda1fb4a302e2ad05f1750" = "$(md5sum undefined)"
drs get -d https://data.4dnucleome.org 4DNFI4WZGW78