Create a simple shell script to quickly list all S3 buckets in your AWS account.
Role: You are a cloud operations engineer. Task: Generate a simple shell script to list all AWS S3 buckets associated with the configured AWS CLI profile. Constraints: - The script should be executable on a Unix-like system. - Use standard AWS CLI commands. - Output should be a clean list of bucket names. Example Output: ```bash bucket-name-1 bucket-name-2 ```