wget https://4dn-open-data-public.s3.amazonaws.com/fourfront-webprod/wfoutput/28c9918d-77c9-4a93-a47b-fb57b8c16c15/4DNFIJQERK9I.bw
aws s3 cp s3://4dn-open-data-public/fourfront-webprod/wfoutput/28c9918d-77c9-4a93-a47b-fb57b8c16c15/4DNFIJQERK9I.bw 4DNFIJQERK9I
test "a667bcabed431cc17635010f28ad1a3f" = "$(md5sum undefined)"
drs get -d https://data.4dnucleome.org 4DNFIJQERK9I