If I have time I plan to put together a HOW-TO on this and put it up on my website. But since my time is very limited currently ... it may be a while. :-)
Thanks for the long example though.
P.S. Evolution development team really should at least increase the size
of the expression editor, but a better idea would be to create an
expression builder :-)
On Wed, 2003-07-16 at 14:01, Thomas Frayne wrote:
> On Wed, 2003-07-16 at 08:23, Dan Winship wrote:
> > On Wed, 2003-07-16 at 10:55, Edward Muller wrote:
> > > Thanks!
> > >
> > > So I think what I really need now is a list of
> > > tokens/variables/functions that evolution provides in the namespace of
> > > the scheme expressions ...
> > >
> > > For instance, until I looked there I didn't know about:
> > > header-ends-with
> > > header-contains
> > > ${subject}
> > > ${recipient}
> > > etc....
> >
> > The variables refer to the fields defined by the rest of the xml. Eg, in
> >
> > <code>(match-all (header-contains "From" ${sender}))</code>
> >
> > the ${sender} refers to the:
> >
> > <input type="string" name="sender"/>
> >
> > later on. It just tells the vfolder editor how to put the expression
> > together based on the various fields. You would need to replace it with
> > a literal string in your own expressions. (And if you can't figure out
> > what the string would be, for something like the date filters, etc, just
> > create a vfolder and then look at ~/evolution/vfolders.xml.)
> >
> > -- Dan
>
>
> I looked in:
> /usr/share/evolution/vfoldertypes.xml
> ~/evolution/vfolders.xml
>
> Using a combination of your hints and guesswork, I constructed a simple
> vfolder with an expression, and then a more complex one. The detailed
> example is:
>
> Rule name: Exp
>
> if all criteria are met
>
> Expression (match-all
> (and
> (or
> (header-contains "From" "Muller")
> (header-contains "From" "TomF")
> (header-contains "From" "Eric")
>
> )
> (or
> (header-contains "To" "TomF")
> (header-contains "Subject" "boolean")
> (header-contains "Subject" "custom")
> )
> ))
>
> Date sent is after 2 days ago
>
> Specific folders only
>
> vfolder:/home/tom/evolution/vfolder#Tom important recent unread
>
>
> The Exp vfolder displayed all messages from the "Tom important recent
> unread" vfolder that were sent after 2 days ago, were from one of TomF,
> Eric, or Muller, and were either to TomF, or had boolean or custom in
> the subject.
>
>
> Note that Evolution is weak on syntax checking: my first try at a
> complex expression crashed because of a missing parenthesis. I
> submitted bug report http://bugzilla.ximian.com/show_bug.cgi?id=46463
>
> Also, the vfolder editor has too little space for an expression, so I
> used gedit to build the expression, and pasted it into the vfolder
> editor.
--
Edward Muller
Interlix (http://www.interlix.com)
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