wget https://4dn-open-data-public.s3.amazonaws.com/fourfront-webprod/wfoutput/9ab54af5-b754-46e4-9fb6-764751959d1d/4DNFIBRX66A8.mcool
aws s3 cp s3://4dn-open-data-public/fourfront-webprod/wfoutput/9ab54af5-b754-46e4-9fb6-764751959d1d/4DNFIBRX66A8.mcool 4DNFIBRX66A8
test "20ecef381529d603d2450074f602a0ea" = "$(md5sum undefined)"
drs get -d https://data.4dnucleome.org 4DNFIBRX66A8