wget https://4dn-open-data-public.s3.amazonaws.com/fourfront-webprod/wfoutput/a7dd9608-c2bd-4467-9f75-54fb4d753ed9/4DNFISNU8FZ4.bw
aws s3 cp s3://4dn-open-data-public/fourfront-webprod/wfoutput/a7dd9608-c2bd-4467-9f75-54fb4d753ed9/4DNFISNU8FZ4.bw 4DNFISNU8FZ4
test "8a16b3f3658a4db55da5fdef5f7c2f0a" = "$(md5sum undefined)"
drs get -d https://data.4dnucleome.org 4DNFISNU8FZ4