Graham Foster wrote:

> thanks to everyone who replied. It is really interesting seeing the 
> diversity of solutions for a simple probelm. I must look into the .
> compact and .collect methods as they look intriging. Some of the 
> answers (Sorry Florian) were rather too advanced for me. (I really 
> did mean Newbie).

If you have any questions I'd be pleased to answer them. :)

> Thx
> Graham

Regards,
Florian Gross