copy_set

copy_set 
-set d_setObj

Creates a new set containing all the objects from the specified set.

-set d_setObj

Specifies the set to copy.

d_setObj	The set identifier for the new set.
`0`	The copy is not created.

Copies the set specified by the my_set variable into a new set specified by the mynew_set variable.

set mynew_set [copy_set -set $my_set]