SYNOPSIS : sign_s3_url.bash --help --aws-access-key-id <AWS_ACCESS_KEY_ID> --aws-secret-access-key <AWS_SECRET_ACCESS_KEY> --region <REGION> --bucket <BUCKET> --file-path <FILE_PATH> --method <METHOD> --minute-expire <MINUTE_EXPIRE> USE CASES : If you have a private/public S3 bucket and would like to share the downloadable links to anyone, this tool will help to generate signed S3 URLs DESCRIPTION : --help Help page --aws-access-key-id AWS Access Key ID (optional, defaults to ${AWS_ACCESS_KEY_ID}) --aws-secret-access-key AWS Secret Access Key (optional, defaults to ${AWS_SECRET_ACCESS_KEY}) --region Region (optional, defaults to ${AWS_DEFAULT_REGION}) Valid regions: ap-northeast-1 ap-northeast-2 ap-south-1 ap-southeast-1 ap-southeast-2 ca-central-1 eu-central-1 eu-west-1 eu-west-2 sa-east-1 us-east-1 us-east-2 us-west-1 us-west-2 --bucket Bucket name (require) --file-path File path (require) --method HTTP request method (optional, defaults to 'GET' METHOD) --minute-expire Minutes to expire signed URL (optional, defaults to '15' minutes) EXAMPLES : ./sign_s3_url.bash --help ./sign_s3_url.bash --bucket 'my_bucket_name' --file-path 'my_path/my_file.txt' ./sign_s3_url.bash --aws-access-key-id '5KI6IA4AXMA39FV7O4E0' --aws-secret-access-key '5N2j9gJlw9azyLEVpbIOn/tZ2u3sVjjHM03qJfIA' --region 'us-west-1' --bucket 'my_bucket_name' --file-path 'my_path/my_file.txt' --method 'PUT' --minute-expire '30'