Copy a google script project from a Spreadsheet to another

Question

I\'ve seen many answers about how to use scripts to copy sheets to another Spreadsheet in Google Spreadsheets, such as this copyTo method.

But now I have a big sprea

Answer 1

I think the Google Clasp tool can help you automate this. I'm starting to use it and it's promising. For instance you may issue a clasp clone [scriptId] of both old and new projects on different folders. Then you can copy all your new scripts files to the old folder and then issue a clasp push. But since I'm not a clasp expert I suggest you tests this on a proof of concept :)

Edit (2019-06-21): After using the product for several months I confirm that this approach works very well.