Thread: How do I interrogate the identifiers field?
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Old 05-26-2017, 11:37 AM   #3
chaley
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Join Date: Jan 2010
Location: Notts, England
Device: Kobo Libra 2
From the search section of the calibre user manual:

Quote:
Identifiers (e.g., isbn, doi, lccn etc) also use an extended syntax. First, note that an identifier has the form type:value, as in isbn:123456789. The extended syntax permits you to specify independently which type and value to search for. Both the type and the value parts of the query can use equality, contains, or regular expression matches. Examples:
  • identifiers:true will find books with any identifier.
  • identifiers:false will find books with no identifier.
  • identifiers:123 will search for books with any type having a value containing 123.
  • identifiers:=123456789 will search for books with any type having a value equal to 123456789.
  • identifiers:=isbn: and identifiers:isbn:true will find books with a type equal to isbn having any value
  • identifiers:=isbn:false will find books with no type equal to isbn.
  • identifiers:=isbn:123 will find books with a type equal to isbn having a value containing 123.
  • identifiers:=isbn:=123456789 will find books with a type equal to isbn having a value equal to 123456789.
  • identifiers:i:1 will find books with a type containing an i having a value containing a 1.
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