wget https://4dn-open-data-public.s3.amazonaws.com/fourfront-webprod/wfoutput/2108cf9b-5d83-4070-b29c-2d1cd87c1b2e/4DNFIOF2U3HX.mcool
aws s3 cp s3://4dn-open-data-public/fourfront-webprod/wfoutput/2108cf9b-5d83-4070-b29c-2d1cd87c1b2e/4DNFIOF2U3HX.mcool 4DNFIOF2U3HX
test "29949a10f3a5d806d7f585fa0226b3dc" = "$(md5sum undefined)"
drs get -d https://data.4dnucleome.org 4DNFIOF2U3HX