Download a single object to a local path.
flare_get_file.RdUniform wrapper that dispatches to FaaSr RPC, direct S3, or local
filesystem based on flare_io_mode(config). Argument names and
defaults match the FaaSr R stub faasr_get_file().
Usage
flare_get_file(
local_file,
remote_file,
server_name = "",
local_folder = ".",
remote_folder = ".",
config
)