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magic/Magdir/marc21
30 строк
1019 B
Christos Zoulas
use https where supported (Daniel Kahn Gillmor)
19 апр 2019, 03:42
19 апр 2019, 03:42
31a8201
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#-------------------------------------------- # marc21: file(1) magic for MARC 21 Format # # Kevin Ford (kefo@loc.gov) # # MARC21 formats are for the representation and communication # of bibliographic and related information in machine-readable # form. For more info, see https://www.loc.gov/marc/ # leader position 20-21 must be 45 # and 22-23 also 00 so far, but we check that later. 20 string 45 >0 search/2048 \x1e # leader starts with 5 digits, followed by codes specific to MARC format >>0 regex/1l (^[0-9]{5})[acdnp][^bhlnqsu-z] MARC21 Bibliographic !:mime application/marc >>0 regex/1l (^[0-9]{5})[acdnosx][z] MARC21 Authority !:mime application/marc >>0 regex/1l (^[0-9]{5})[cdn][uvxy] MARC21 Holdings !:mime application/marc >>0 regex/1l (^[0-9]{5})[acdn][w] MARC21 Classification !:mime application/marc >>0 regex/1l (^[0-9]{5})[cdn][q] MARC21 Community !:mime application/marc # leader position 22-23, should be "00" but is it? >>0 regex/1l (^.{21})([^0]{2}) (non-conforming) !:mime application/marc