wget https://4dn-open-data-public.s3.amazonaws.com/fourfront-webprod/wfoutput/6efa49f6-dea7-4e7c-bc51-dda97d067878/4DNFIXWZ83U5.bw
aws s3 cp s3://4dn-open-data-public/fourfront-webprod/wfoutput/6efa49f6-dea7-4e7c-bc51-dda97d067878/4DNFIXWZ83U5.bw 4DNFIXWZ83U5
test "1e28eb49e7c77bf4cfe841d06c573905" = "$(md5sum undefined)"
drs get -d https://data.4dnucleome.org 4DNFIXWZ83U5