wget https://4dn-open-data-public.s3.amazonaws.com/fourfront-webprod/files/4e4aae8f-0416-4213-80fa-549bc4342239/4DNFI4WWIGKO.flex
aws s3 cp s3://4dn-open-data-public/fourfront-webprod/files/4e4aae8f-0416-4213-80fa-549bc4342239/4DNFI4WWIGKO.flex 005009034.flex
test "96cb3e8951276ff1593a0dd0bacec650" = "$(md5sum 005009034.flex)"
drs get -d https://data.4dnucleome.org 4DNFI4WWIGKO