> join(‘,’,@{$foo->{‘bar’}}) You might write it this way. I prefer to use the features of the language developed in the last decade: join ',', $foo->{'bar'}

> join(‘,’,@{$foo->{‘bar’}}) You might write it this way. I prefer to use the features of the language developed in the last decade: join ',', $foo->{'bar'}->@* Which if that looks spooky, the * simply means everything in the array. You can just as easily slice: join ',', $foo->{'bar'}->@[2..5]