wget https://4dn-open-data-public.s3.amazonaws.com/fourfront-webprod/wfoutput/0686dac9-a8a6-4297-9767-9a987551d569/4DNFI7S5MDRV.bw
aws s3 cp s3://4dn-open-data-public/fourfront-webprod/wfoutput/0686dac9-a8a6-4297-9767-9a987551d569/4DNFI7S5MDRV.bw 4DNFI7S5MDRV
test "d272f89de17df52194de313e0c9a8a0a" = "$(md5sum undefined)"
drs get -d https://data.4dnucleome.org 4DNFI7S5MDRV