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SubjectRe: silent semantic changes with reiser4
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On Thu, 2004-09-02 at 16:43, Pavel Machek wrote:
> Hi!
>
> > > > >> FWIW, this is how Windows does it now. As of XP, 'Find files' has an
> > > > >> option, enabled by default, to look inside archives. If you tell it to
> > > > >> look for a driver in a given directory it will also look inside .cab
> > > > >> and .zip files. It's extremely useful, I would imagine someone who uses
> > > > >> XP a lot will come to expect this feature.
> > > >
> > > > > It is trivial to implement this by looking inside the files. I.e., the way
> > > > > mc has done this for ages.
> > > >
> > > > Difference is that you can't do "locate" or "find" or "Search".. You
> > > > would have to open the files in an archive-supporting application
> > > > such as mc.
> > >
> > > You really need archive support in find. At the very least you need
> > > option "enter archives" vs. "do not enter archives". Entering archives
> > > automagically is seriously wrong.
> >
> > But is it efficient to make every application that reads files have to
> > know how to get inside a tar file, just to read its contents? That
>
> Application does not have to know how to handle tar/zip/etc, but it
> has to make distinction between "enter archives" and "do not enter
> archives". See uservfs.sf.net.

But how do you cache the information you had to look in the archive for
in a way that other apps can use it? How do you synchronize access to
the cache and maintain cache coherency in userspace?

Lee

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