Re: [9fans] plan 9 regexp

[erik quanstrom <quanstro@quanstro.net>]

On Sun Jun  7 11:02:51 EDT 2009, ori@eigenstate.org wrote:
> On Thu, 4 Jun 2009 20:05:01 -0400
> Dan Cross <crossd@gmail.com> wrote:
>
>
> > I'm sure.  This is something that I would be interested in revisiting;
> > do you have any pointers to particularly relevant information?  I
> > wonder how nicely these tree automata could be packaged into an
> > awk-like form.
> >
> >         - Dan C.
>
> Look up iburg and twig. They're tree pattern matchers that could be
> adapted to do what you want, although they're more like yacc than awk.

i'm surprised that no one has mentiond http://pdos.csail.mit.edu/xoc/
by russ et al.

- erik