wget https://4dn-open-data-public.s3.amazonaws.com/fourfront-webprod/wfoutput/d1f4beb9-701f-4188-abe2-6271fe658770/4DNFIXKKNMS7.bw
aws s3 cp s3://4dn-open-data-public/fourfront-webprod/wfoutput/d1f4beb9-701f-4188-abe2-6271fe658770/4DNFIXKKNMS7.bw 4DNFIXKKNMS7
test "84a230e896aeacc022c0dc8421cc5df0" = "$(md5sum undefined)"
drs get -d https://data.4dnucleome.org 4DNFIXKKNMS7