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How to Rename A Blob File Using Powershell?

2 minutes read

To rename a blob file using PowerShell, you can use the Azure PowerShell module. First, install and import the module if you haven't already done so. Then, connect to your Azure Storage account where the blob file is located.


Next, use the Get-AzStorageBlob cmdlet to get the blob that you want to rename. Specify the container name and blob name as parameters. Save the blob object in a variable.


To rename the blob file, use the Set-AzStorageBlobContent cmdlet. Specify the new name for the blob file as a parameter, along with the container name and the blob object that you saved earlier.


Finally, use the Remove-AzStorageBlob cmdlet to delete the old blob file with the original name, if desired.


After running these commands, the blob file will be renamed in your Azure Storage account.


How to rename a blob file with a specific prefix in PowerShell?

You can rename a blob file with a specific prefix in PowerShell by using the following script:

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$storageAccountName = "your_storage_account_name"
$storageAccountKey = "your_storage_account_key"
$containerName = "your_container_name"
$blobName = "your_current_blob_name"
$prefix = "prefix_" 

$context = New-AzureStorageContext -StorageAccountName $storageAccountName -StorageAccountKey $storageAccountKey

$blob = Get-AzureStorageBlob -Context $context -Container $containerName -Blob $blobName

$newBlobName = $prefix + $blob.Name

Rename-AzureStorageBlob -Context $context -Container $containerName -Blob $blobName -NewName $newBlobName


Replace your_storage_account_name, your_storage_account_key, your_container_name, and your_current_blob_name with your actual storage account details and blob file information. The script will rename the blob file with the specified prefix.


What is the maximum length for a blob file name in Azure Blob Storage?

The maximum length for a blob file name in Azure Blob Storage is 1024 characters.


What is the impact of renaming a blob file on its ETag value?

If a blob file is renamed, its ETag value will change. ETags are used to determine the uniqueness of a file and are typically based on the file's contents. When a file is renamed, its contents and metadata stay the same, but its name changes. Therefore, the ETag value will also change to reflect the new name of the file.

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