Thank you all for the help. Am using aem 6.3 and we are using the query to generate the aem extracts. We were using the query builder.json. Currently purged the content and looking for long term plan, but now we are good.

I have successfully completed the multi move via building a tool in AEM.https://docs.google.com/document/d/1dhd5PpJ5-AivPSX-192L2TCHCi5ClxS9FrNV4wn3NPM/edit?usp=sharing

ContextHub Implementation· Table of contentsIntroduction to ContextHubFiles to be changes to replace CleintContext with ContextHub  Introduction to ContextHub: Name  the folder as: contexthubCreate a folder undern contexthub called modulesCreate a folder undern modules called commerceCreate a folde...

I have created the document , will upload it here for the migration guide. Also let me know you need the package.

Thank you so much for all the help and  solutions.Unfortunately these may not work in my situation:( As business user may not be comfortable.Planning to write a custom tool to perform this operation.