bulk delete unwanted Ids ?
i see that many of my books have multiple IDs stored - maybe from searching for the "perfect" cover , or description.
so I have ISBNs, google references, amazon references.....
anyway is there any simple way to have a clear out ? there seems to be no option in bulk edit metadata for this field ?
how would I for example remove the clutter of all the google references ?
I assume that IDs are saved by calibre, mostly just to assist with future metadata downloads, & that they get there via add books & then via metadata downloads ?
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