This function is not yet fully documented. This is a transcript of the text-formatted help.
bbpeek Get a copy of a variable in a parcel. This is exactly like bbunwrap, except that the parcel remains unchanged. bbpeek is more efficient than bbunwrap if you only need to read a variable. If you modify it, Matlab's copy-on-write mechanism will create a new copy. If the variable is sufficiently small this may be more efficient than removing it from the pearcel with bbunwrap. See also bbparcel, bbunwrap.