wget https://4dn-open-data-public.s3.amazonaws.com/fourfront-webprod/wfoutput/3663e34e-b8fd-4f34-9b8b-57a273d3a78a/4DNFIZCPYR3I.mcool
aws s3 cp s3://4dn-open-data-public/fourfront-webprod/wfoutput/3663e34e-b8fd-4f34-9b8b-57a273d3a78a/4DNFIZCPYR3I.mcool 4DNFIZCPYR3I
test "4a0948fdf7df90dddd9e2fb2403f479f" = "$(md5sum undefined)"
drs get -d https://data.4dnucleome.org 4DNFIZCPYR3I