wget https://4dn-open-data-public.s3.amazonaws.com/fourfront-webprod/wfoutput/b8ab47e0-8637-4be3-b96b-fa5dd6abf3ab/4DNFI9QMU84X.bw
aws s3 cp s3://4dn-open-data-public/fourfront-webprod/wfoutput/b8ab47e0-8637-4be3-b96b-fa5dd6abf3ab/4DNFI9QMU84X.bw 4DNFI9QMU84X
test "d1311db6eeee9a1a85b12ba1b41ca6e0" = "$(md5sum undefined)"
drs get -d https://data.4dnucleome.org 4DNFI9QMU84X