Quote:
Originally Posted by Aardman
Because of the folder structure used in Calibre it is anything but simple to to remove the original epub as that requires opening literally hundreds of folders one at a time to find the file.
It may be that I will have to resort to removing everything and adding them back in batches, but that's vexing.
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The one single consistent piece of advice you will get about calibre is: Don't mess around under the covers. Deleting files or doing anything else in the file structure will lead to bad things.
Calibre as function to do just about anything you you need to. To remove any format of a book, you select the book and right-click on the format in the details pane and select delete. Or select set of books, right-click on the delete button, or right-click on the books in the list and select Remove Books, then select the "Remove files of a specific format from selected books". In the dialog, select "ORIGINAL_EPUB" or whichever format you want to remove.
Have you tried my suggestion for how test with a book?