Use HeadBucket
with an AWS SDK or CLI
The following code examples show how to use HeadBucket
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- AWS CLI with Bash script
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Note
There's more on GitHub. Find the complete example and learn how to set up and run in the AWS Code Examples Repository
. ############################################################################### # function bucket_exists # # This function checks to see if the specified bucket already exists. # # Parameters: # $1 - The name of the bucket to check. # # Returns: # 0 - If the bucket already exists. # 1 - If the bucket doesn't exist. ############################################################################### function bucket_exists() { local bucket_name bucket_name=$1 # Check whether the bucket already exists. # We suppress all output - we're interested only in the return code. if aws s3api head-bucket \ --bucket "$bucket_name" \ >/dev/null 2>&1; then return 0 # 0 in Bash script means true. else return 1 # 1 in Bash script means false. fi }
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For API details, see HeadBucket in AWS CLI Command Reference.
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For a complete list of AWS SDK developer guides and code examples, see Developing with Amazon S3 using the AWS SDKs. This topic also includes information about getting started and details about previous SDK versions.