okay i may be silly but i can't figure it.

i want htt to on go down this address

say     AAA.bb.com/~abc/ 
and only copy anything after  ~abc/.. 

and don't go anywhere else like   CCC.bb.com/... or 
even don't go at AAA.bb.com/~def etc. i tried many 
options but still htt moves away from the target. 
don't understand it.  

regards, 
rusty 

oh and what would be the case when i just want it to 
stay on   AAA.bb.com/.....everything but don't go at 
CCC.bb.com/.

and sorry the help page for 'only for experts' was not 
that explaining.