And using aliasing to our advantage but avoiding map in void context yields 

$_ .= $d[-1 + push @d, shift @d] for @z;

[download]
I'm not convinced that it's at all better than the first one in the OP though. This is a bit obscure for no really good reason. 

-sauoq
"My two cents aren't worth a dime.";

In reply to Re: Re: Appending one array onto another by sauoq
in thread Appending strings from one array onto strings of another by eyepopslikeamosquito

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