Thread: Incorrect "Date Modified"
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Old 07-02-2016, 03:24 PM   #2
theducks
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Quote:
Originally Posted by MarjaE View Post
In OS X, Preview, the standard pdf reader, has a bad habit of reformating and corrupting pdfs if users look at it funny. (One reason I prefer djvu to pdf - I can avoid Preview.)

Mac users may need to watch the date created and date modified, and replace files when they're modified. If embedding metadata also counts as a modification, Mac users may need to keep track of which files were modified by which software.

Unfortunately, Calibre and Finder specify different dates modified.

Other than replacing Preview with another reader, and re-dowloading most pdfs, I'm not sure what would work with Calibre.
Modified in Calibre: is ANY change to the database for that title.
Metadata, Formats added/deleted, tags used (in definition table), even the backup OPF forced refresh. This is different from the Modified FILE property for the books format
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