Rename CDT

A common question - how can we rename a CDT in an application? I know there is no 'obvious' way of renaming a CDT / namespace, but we need to create a new CDT and replace the references of existing CDT with new CDT.
As an alternative approach, can we do the following steps?
1. Export the full application
2. Unzip the contents of the application
3. Find & Replace the occurrences of that CDT in all files within the extracted folder with the new CDT name. I could see all exported contents are XML files in general, so find & replace should be easy (unless Appian uses the CDT name in different ways in different files)
4. Zip the modified folder
5. Upload the updated application zip file
We need to change CDT names for quite a few of the CDTs and just wondering if the above approach is safe from an application consistency and recommendation standpoint. Thanks in advance.

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