wget https://4dn-open-data-public.s3.amazonaws.com/fourfront-webprod/wfoutput/2fe4ef4a-f7e4-4ca1-a98f-04b5ee6cdec4/4DNFIZ7WIZJJ.bw
aws s3 cp s3://4dn-open-data-public/fourfront-webprod/wfoutput/2fe4ef4a-f7e4-4ca1-a98f-04b5ee6cdec4/4DNFIZ7WIZJJ.bw 4DNFIZ7WIZJJ
test "b4accc803b4f547b6bdeceb955138af5" = "$(md5sum undefined)"
drs get -d https://data.4dnucleome.org 4DNFIZ7WIZJJ