wget https://4dn-open-data-public.s3.amazonaws.com/fourfront-webprod/wfoutput/86aa0047-21ac-4ae6-85fd-9d00b0d66076/4DNFIXAXKFPL.bw
aws s3 cp s3://4dn-open-data-public/fourfront-webprod/wfoutput/86aa0047-21ac-4ae6-85fd-9d00b0d66076/4DNFIXAXKFPL.bw 4DNFIXAXKFPL
test "f4d3a35d7ba921f7027ca412dcc6bcbb" = "$(md5sum undefined)"
drs get -d https://data.4dnucleome.org 4DNFIXAXKFPL