So it opens the file in your editor, since you have read access to it. Then saves your changes to a temp file. Then when you close the editor it does a sudo mv tmpfile readfile?

I checked this by checking the file ownership when running touch myself. The file is owned by root. sudo nano myself also creates a file owned by root. sudoedit myself removed at me not to run it in a writable directory.

sudoedit: myself: editing files in a writable directory is not permitted

So I ran it in a non-writable directory and the resulting file is still owned by root.

So is the advantage of sudoedit preventing a possible escalation of privileges situation?