wget https://4dn-open-data-public.s3.amazonaws.com/fourfront-webprod/wfoutput/2a4ef541-5c4c-41d9-adfd-1e06f19389fc/4DNFI7GSIHVC.bw
aws s3 cp s3://4dn-open-data-public/fourfront-webprod/wfoutput/2a4ef541-5c4c-41d9-adfd-1e06f19389fc/4DNFI7GSIHVC.bw 4DNFI7GSIHVC
test "7abaf81167bc0b4ff8f7e7c7146489b1" = "$(md5sum undefined)"
drs get -d https://data.4dnucleome.org 4DNFI7GSIHVC