In article <Pine.LNX.4.30.0111260718030.2528-100000 / candle.superlink.net>,
"David Alan Black" <dblack / candle.superlink.net> wrote:

> I've unearthed something I wrote a while ago, for exactly this purpose.
> I haven't reexamined it to see whether I'd do it the same way again....
> but anyway, here it is, in case it's of use.

That looks very useful.  I'll have a play and see if it does what I need
.... or if I can adapt what I originally wanted to work with it.

Thanks.