http://www.perlmonks.org?node_id=864119


in reply to Hash keys not DWIMming

You may also find it interesting, that what's good for the goose is also good for the gander.

Just as you can use an unquoted key while using your hash:

print $h{world}, "\n";

You can also use an unquoted key while creating your hash:

my %h = ( '512_x64' => '24', world => 'hello');