wget https://4dn-open-data-public.s3.amazonaws.com/fourfront-webprod/files/db0f7497-c4b6-4cf6-b8ee-3abe777cfc11/4DNFIGPHV8LE.flex
aws s3 cp s3://4dn-open-data-public/fourfront-webprod/files/db0f7497-c4b6-4cf6-b8ee-3abe777cfc11/4DNFIGPHV8LE.flex 005010039.flex
test "551e1d222b75e1e7ad3d7cabfcf379f8" = "$(md5sum 005010039.flex)"
drs get -d https://data.4dnucleome.org 4DNFIGPHV8LE