[html-formfu] Join two fields?

[Moritz Onken]

Hi,

I looked at all elements and filters but I couldn't find one which  
joins two fields.

Example:
I have the fields "street" and "street number". The database has only  
one field for both (address). The individual fields will not be stored.
Can FormFu join these two fields?

If there is no such thing I'll write a filter and publish it.
cheers,

moritz