wget https://4dn-open-data-public.s3.amazonaws.com/fourfront-webprod/wfoutput/2c3ad6fd-6c8a-4937-b626-86991f10ef6e/4DNFI3RFZLZ5.mcool
aws s3 cp s3://4dn-open-data-public/fourfront-webprod/wfoutput/2c3ad6fd-6c8a-4937-b626-86991f10ef6e/4DNFI3RFZLZ5.mcool 4DNFI3RFZLZ5
test "f4da9d7fbff478b120cf2736ff4d56a7" = "$(md5sum undefined)"
drs get -d https://data.4dnucleome.org 4DNFI3RFZLZ5