wget https://4dn-open-data-public.s3.amazonaws.com/fourfront-webprod/wfoutput/560223be-0de3-44d2-8d35-ee42005283a5/4DNFIE3G8D7M.bw
aws s3 cp s3://4dn-open-data-public/fourfront-webprod/wfoutput/560223be-0de3-44d2-8d35-ee42005283a5/4DNFIE3G8D7M.bw 4DNFIE3G8D7M
test "bd5309a8d27110a8d7d8ee827ed848e3" = "$(md5sum undefined)"
drs get -d https://data.4dnucleome.org 4DNFIE3G8D7M