The script is available for download from http://gallery.technet.microsoft.com/Generate-an-SAS-token-of-6c30e3f5. You can also use Microsoft Script Browser for Windows PowerShell ISE to download the sample with one button click from within your scripting environment.
generate an SAS token of container or blob that uses a stored access policy.
Shared Access Signature is a powerful way to grant client limited permissions to blobs, queues, or tables for a specified period of time, without having to share our account access keys. This script can easily help us generate an SAS token of container or blob that uses a stored access policy.
You can find more All-In-One Script Framework script samples at https://aka.ms/onescriptingallery