Followed this tutorial https://docs.digitalocean.com/products/spaces/resources/s3cmd/
After running c3cmd --configure I am getting:
WARNING: Retrying failed request: /?delimiter=%2F (unterminated character set at position 1)
These answers are provided by our Community. If you find them useful, show some love by clicking the heart. If you run into issues leave a comment, or add your own answer to help others.