wget https://4dn-open-data-public.s3.amazonaws.com/fourfront-webprod/wfoutput/52f7fd35-f7d8-4da9-af89-5787cea5500f/4DNFI7MTWAHQ.bw
aws s3 cp s3://4dn-open-data-public/fourfront-webprod/wfoutput/52f7fd35-f7d8-4da9-af89-5787cea5500f/4DNFI7MTWAHQ.bw 4DNFI7MTWAHQ
test "f510a0bba3fc56e6849301447e9b86a7" = "$(md5sum undefined)"
drs get -d https://data.4dnucleome.org 4DNFI7MTWAHQ