Windows Azure PowerShell Copy Blob Script

Here is a PowerShell script that can be used to move data in Windows Azure from one subscription to another subscription’s blob storage. The script uses Start-AzureStorageBlobCopy command which is an asynchronous copy operation and copies all the blobs from one container to another. If selected file moving is the intention you can pass in some type of file matching pattern.

Download Windows Azure PowerShell    
Install Windows Azure Certificate for your subscription

Follow this link to find the actual PowerShell script.