How to clean up junk indentifier types?
I've been ignoring all the junk identifier types that have appeared in the identifiers field long enough -- so now I want to get rid of a few hundred of them (mostly ISBNs but other cruft too).
I don't see any easy way to do it though.
I was thinking the most likely would be to use the Bulk Edit Search & Replace function to back up the few I want to keep in spare columns, then just blank the whole identifiers field.
But the only way I see to blank the whole field is one book at a time via Edit Metadata.
Alternatively, removing the identifier types one at a time via Search and Replace is too tedious to contemplate.
Is there another way I've overlooked?
(Am I really the only person with this problem? The cruft comes from mainstream retail epubs, so I find that hard to believe.)
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