wget https://4dn-open-data-public.s3.amazonaws.com/fourfront-webprod/wfoutput/21400812-ddca-4380-970b-adf099bf4904/4DNFI89B4G8G.bam
aws s3 cp s3://4dn-open-data-public/fourfront-webprod/wfoutput/21400812-ddca-4380-970b-adf099bf4904/4DNFI89B4G8G.bam 4DNFI89B4G8G
test "7812076a983c04e68449486d1b104cb0" = "$(md5sum undefined)"
drs get -d https://data.4dnucleome.org 4DNFI89B4G8G