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Summary

You want to keep your repository free of duplicate documents? This small application can help you with the task. The application detects duplicate documents when they are uploaded and moves them to a duplicate folder. Using standard KM subscription on the duplicate folder a user can get notifications whenever a duplicate has been uploaded. The duplicate detection is based on comparing the hash values of documents.

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Download

The SDN Article can be downloaded as PDF from the link above.

There is a Portal Archive (PAR) attached to the PDF document. Please use a recent version of Adobe Acrobat Reader to access the attachment according to the screenshot below. The PAR file also contains the source code.

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3 Comments

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  1. Sandip Agarwalla
    Hi lars,
    A much needed functionality…Great..
    The duplication is based on file content, as far I got it from the blog. But if one more duplicate resource is being uploaded with a diffrent name?

    Thanks
    Sandip

    (0) 
    1. Lars Rueter Post author
      Hi Sandip,
      filename and timestamp are not relevant during the duplicate check. Only the SHA-1 hash value of the files are compared. If the hash is equal we assume it is a duplicate.
      Cheers Lars
      (0) 
      1. Former Member
        Thanks Lars for a informative blog….

        Something i thought we need to code on ….we have a requirement wherin the existing KM documents should be print protected and the end users shouldnt be able to save it on their desktop is this possible…

        Many thanks for ur response…
        Greetings from Cardiff
        Ajey

        (0) 

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