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cc-metadata - Re: CC mp3 metadata III

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Subject: discussion of the Creative Commons Metadata work

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  • From: Lucas Gonze <lgonze AT panix.com>
  • To: Mike Linksvayer <ml AT creativecommons.org>
  • Cc: cc-metadata AT lists.ibiblio.org
  • Subject: Re: CC mp3 metadata III
  • Date: Thu, 19 Jun 2003 13:44:28 -0400 (EDT)


> A regular expression like /\s*(\S+)\s*$/ would very forgivingly extract
> the license claim URL from TCOP.

It's worth worrying about how to parse out the URL, given that URLs are
fairly flexible objects. It seems like a bad thing to have programs doing
logic like:

Pick up last chunk of the TCP string that resembles a URL. Test out
whether this is a URL by trying to fetch it. If there's nothing that
resembles a URL or the URL fetch fails, assume there's no license claim
URL.

There should be flag bytes to eliminate the fuzziness. For example if
"Verify at " exists in TCOP, everything after it must be the license claim
URL, and if there is a license claim URL then it must be preceded by
"Verify at ".

- Lucas





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