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sub clientcrgunit {
    my ($self, @stuff) = @_;
    $self->{clientcrgunit} = \@stuff;
}

sub clientcrgunit {
 my ($self, @stuff) = @_;
...
      $self->{clientcrgunit} = \@stuff;
 }
}

perl -e 'print "How sweet does a rose smell? "; chomp ($n = <STDIN>); 
+$rose = "smells sweet to degree $n"; *other_name = *rose; print "$oth
+er_name\n"'