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Does Alfresco ads (meta)data to documents?

r_vanderknaap

I noticed that a document, uploaded in Alfresco, has a different size than when it isnâ€™t uploaded in Alfresco.

Does Alfresco ads some (meta)data to the document(property)?

Can this be a reason a document is getting corrupt in Alfresco?

Thanks in advance!

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Comments

paulhh

No, we don't touch the binary content of the file - it is just what is streamed to the server. More details on the document type, size and how you're getting it into Alfresco would help.

There is a recent Forge project which *does* allow you to embed metadata in documents, effectively, the reverse of metadata extraction. There's a few example embedders.

Cheers
Paul.

awheeler1979

Hi there,

I am trying to see if Alfresco can install custom properties into pdf and word files when they are uploaded or moved into an Alfresco folder. Is this possible?

Also, I have heard there is a feature whereby Alfresco can take the details on a cover page of a word document and scrape them off and log them as the metadata. Is this correct?

Thank you! I look forward to hearing from you!

mrogers

Yes you can do both.

You can extract metadata from a variety of mime types. There's a bunch of extractors including for word and pdf files built in. http://wiki.alfresco.com/wiki/Metadata_Extraction

You have a few choices for injecting your properties into content. You could have a rule or policy which transforms the content on writing or I see that there are a set of projects on the alfresco forge that may be suitable.
For example, http://forge.alfresco.com/projects/metadatawriter/