wget https://4dn-open-data-public.s3.amazonaws.com/fourfront-webprod/wfoutput/904f47b9-b4fe-4007-bcd4-beb4dc09ab6d/4DNFISS4GJNM.bw
aws s3 cp s3://4dn-open-data-public/fourfront-webprod/wfoutput/904f47b9-b4fe-4007-bcd4-beb4dc09ab6d/4DNFISS4GJNM.bw 4DNFISS4GJNM
test "eddcf68416dd2b295f247954949d7395" = "$(md5sum undefined)"
drs get -d https://data.4dnucleome.org 4DNFISS4GJNM