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Re: Keyword expansion with .docx files

From: Sam Barnett-Cormack <s.barnett-cormack_at_lancaster.ac.uk>
Date: Mon, 29 Sep 2008 14:01:40 +0100

Benjamin Smith-Mannschott wrote:
> On Sep 29, 2008, at 03:08, Ryan Schmidt wrote:
>>> I think the reason is that a .docx file is just a container (ZIP
>>> file) containing XML files:
>>> _rels
>>> docprops
>>> word
>>> document.xml
>>> ....
>>> [Content_Types].xml
>>> etc.
>>> Exists there a way to support keyword expansion for .docx too?
>> No. Unless the string "$Id:: $" appears in plaintext in the file,
>> Subversion can't expand the keywords.
> And the string "Id:: $" won't appear in this case since the entries
> of a docx zip file are compressed. Were this string, by some random
> chance to appear in the zip file, altering it would very likely break
> the file.

While this is true, it presumably wouldn't be horrific to code a way to
make this work - a property that allows keywords to be handled on
*specified* files with *certain supported* compressions. Pretty simple
pre- and post- filter. Would need to note caveats that it would break
any automatic signatures and so on in the file, of course. I'd imagine
it'd be *fairly* straightforward to write the generic wrapping code and
put filters in for zip, compress, gzip and bzip2.

If I had any idea about subversion internals, and any time, I'd offer to
try to do it.


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Received on 2008-09-29 15:02:11 CEST

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