[Koha-bugs] [Bug 3649] New: Code39 Mod10 and Mod43 barcodes are produced with Mod9 checksums

bugzilla-daemon at kohaorg.ec2.liblime.com bugzilla-daemon at kohaorg.ec2.liblime.com
Sat Sep 19 22:49:50 CEST 2009


http://bugs.koha.org/cgi-bin/bugzilla3/show_bug.cgi?id=3649

           Summary: Code39 Mod10 and Mod43 barcodes are produced with Mod9
                    checksums
           Product: Koha
           Version: unspecified
          Platform: PC
        OS/Version: All
            Status: ASSIGNED
          Severity: blocker
          Priority: P5
         Component: Label printing
        AssignedTo: cnighswonger at foundations.edu
        ReportedBy: cnighswonger at foundations.edu
   Estimated Hours: 0.0
 Change sponsored?: Sponsored


This may not present a problem inside of Koha, but would if scanned with
software expecting mod10 or mod43.

Current code uses the 'visa' method of the Algorithm::CheckDigits module which
produces mod9 checksums.

The patch changes to using 'code_39' for mod43 and 'siret' for mod10.


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