wget https://4dn-open-data-public.s3.amazonaws.com/fourfront-webprod/files/54bfa46e-3d4c-4fcb-8624-e219cb27d978/4DNFIP9DSNGF.flex
aws s3 cp s3://4dn-open-data-public/fourfront-webprod/files/54bfa46e-3d4c-4fcb-8624-e219cb27d978/4DNFIP9DSNGF.flex 005010023.flex
test "098cf5cf1f13b8d1ca822b04e90530a1" = "$(md5sum 005010023.flex)"
drs get -d https://data.4dnucleome.org 4DNFIP9DSNGF