wget https://4dn-open-data-public.s3.amazonaws.com/fourfront-webprod/wfoutput/d81ab57b-1c4b-4e08-8d47-0e56e9785805/4DNFIQHVJMBC.bw
aws s3 cp s3://4dn-open-data-public/fourfront-webprod/wfoutput/d81ab57b-1c4b-4e08-8d47-0e56e9785805/4DNFIQHVJMBC.bw 4DNFIQHVJMBC
test "c99a2afe578376784d3c0b03e5d70331" = "$(md5sum undefined)"
drs get -d https://data.4dnucleome.org 4DNFIQHVJMBC