wget https://4dn-open-data-public.s3.amazonaws.com/fourfront-webprod/wfoutput/f7187dcd-9ebd-4d56-bd5a-5ef67ff5e57f/4DNFISXZ3WB4.bw
aws s3 cp s3://4dn-open-data-public/fourfront-webprod/wfoutput/f7187dcd-9ebd-4d56-bd5a-5ef67ff5e57f/4DNFISXZ3WB4.bw 4DNFISXZ3WB4
test "b341bca1d951e55ed4f9b1bd4c26ec4f" = "$(md5sum undefined)"
drs get -d https://data.4dnucleome.org 4DNFISXZ3WB4