wget https://4dn-open-data-public.s3.amazonaws.com/fourfront-webprod/wfoutput/6d1cc841-6cda-4be7-988f-a8886765da5e/4DNFITQT8G3T.bw
aws s3 cp s3://4dn-open-data-public/fourfront-webprod/wfoutput/6d1cc841-6cda-4be7-988f-a8886765da5e/4DNFITQT8G3T.bw 4DNFITQT8G3T
test "df48d4beff8ddb29df1cae98a3d76e7e" = "$(md5sum undefined)"
drs get -d https://data.4dnucleome.org 4DNFITQT8G3T