lines = File.stream!("file_path")
chunks = File.stream!("file_path",[],2_048)

hash_fun = fn enum ->
	enum
	|> Enum.reduce(:crypto.hash_init(:sha),&(:crypto.hash_update(&2, &1)))
	|> :crypto.hash_final()
	|> Base.encode16()
end

Benchee.run(%{
	"lines" => fn ->
		lines
		|> hash_fun.()
	end,
	"chunks" => fn ->
		chunks
		|> hash_fun.()
	end
},
time: 10,
memory_time: 2
)