From the other day see Re: How do you check if a key exists without creating it ?

no autovivification;

if( exists $foo->{bar}{anything}{you}{want} ){
}

[download]

Or

use Data::Diver 'Dive';

if( my $want = Dive( $foo, qw/ bar anything you want / ) ){
...
}

[download]

In reply to Re: I just want to understand why ... by Anonymous Monk
in thread Why does testing for the existence of hash keys create the keys ? by fshrewsb

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