wget https://4dn-open-data-public.s3.amazonaws.com/fourfront-webprod/files/a3021e23-1d42-47fb-8fa0-a92fdc64e34d/4DNFIN7RGH1P.flex
aws s3 cp s3://4dn-open-data-public/fourfront-webprod/files/a3021e23-1d42-47fb-8fa0-a92fdc64e34d/4DNFIN7RGH1P.flex 006008015.flex
test "55cd8b6a8a62806ff061b9acb1ed7a2e" = "$(md5sum 006008015.flex)"
drs get -d https://data.4dnucleome.org 4DNFIN7RGH1P