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# yam1.pl
use strict;
...
};

print Dump( $config ), "\n";

---
ADDRESS: 123 Main St.
...
  Home: 123-4444
  Work: 123-5555

# yam2.pl -- does NOT work!
use strict;
...
# load YAML file into perl hash ref?
my $config = Load("config.yml");
print Dumper($config), "\n";

# yam3.pl - Works! Yippie!
use strict;
...
my $config = Load($yml);
print Dumper($config), "\n";

# yam4.pl - Works also! Yippie!
use strict;
...
my $config = LoadFile($fh);
print Dumper($config), "\n";