From the year 2005 Data::Diver , no autovivification required :D 
if( my $cee = Dive \%hash , qw/ a b c / ){
   print "c exists $cee\n";
}

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In reply to Re^3: Why are Hash keys different for the same hash? Confusing. by Anonymous Monk
in thread Why are Hash keys different for the same hash? Confusing. by Anonymous Monk

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