wget https://4dn-open-data-public.s3.amazonaws.com/fourfront-webprod/wfoutput/35aff122-4aa0-45ca-adfa-b694f0b06f02/4DNFIYC4AJW5.mcool
aws s3 cp s3://4dn-open-data-public/fourfront-webprod/wfoutput/35aff122-4aa0-45ca-adfa-b694f0b06f02/4DNFIYC4AJW5.mcool 4DNFIYC4AJW5
test "41a69642958662478b14a33bee3af318" = "$(md5sum undefined)"
drs get -d https://data.4dnucleome.org 4DNFIYC4AJW5