Get the object addresses given their object names
get_obj_addresses_from_obj_names(obj_names, envir = NULL)array containing the name of the objects to retrieve. They can be given as full path names (e.g. "env1$x") and they can also be system or package environments given as e.g. ".GlobalEnv" or "R_GlobalEnv" or "baseenv()" or "package:base" or "package:stats", etc.
environment where the objects exist (considering the
object names are given with their full path to the object), or NULL
if they exist in the global environment.
An array containing the memory address of the objects given in obj_names
or NULL if there is a problem evaluating the corresponding object in the given environment
with eval().