[Debtags-devel] Using tags to create menu hierarchy

[Tim Dijkstra]

On Wed, 16 Nov 2005 17:12:06 +0100
Enrico Zini <enrico at enricozini.org> wrote:

> <rant>
> Heck, I do agree with you.  I even tried mentioning the idea on the
> freedesktop mailing list, but noone cared about it:
> 
>   http://lists.freedesktop.org/archives/xdg/2004-February/003352.html
> 
> Appearently, they have this wonderful menu reorganization and merging
> algorithm which doesn't seem to be working with the Debian menu.
> </rant>

I looked a bit in their archive, but apart from the statement that Math
is (not) a Science, I don't see a lot of usefull remarks on that list :)

> The problem with using the tags as they are now, is that not
> necessarily the tags of a package can be precisely applied to the
> binaries inside it.  

Hmm, yes. But I guess most packages that ship menu files will not have
to much binaries inside...

> However, this wouldn't mean they aren't useful. 
> If you can get a list of all executable files launched by the menu
> entries, you can "easily" get a list of their tags:
> 
> #!/bin/sh
> for FILE in "$@"
> do
> 	PKG=$(dlocate $FILE | grep "$FILE\$" | cut -f1 -d:)
> 	TAGS=$(debtags tag ls $PKG | perl -e 'while (<>) { chop; push
> 	@a, $_ } print join(", ", @a)') echo "$FILE: $TAGS"
> done

We don't need the dlocate, the files in /usr/lib/menu have a field for
the package name.
 
> You can take this script, give it as arguments the list of executables
> you find in the mens and save the output into a file.  This file you
> can then use it to experiment with tagcoll:
> 
>   tagcoll hiearchy yourfile

I'll play around with it a bit.

grts Tim
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