push @b, [splice @a, 0, $l] while @a;

[download]

is fairly clean. Check the result with:

print "@$_\n" for @b;

[download]
DWIM is Perl's answer to Gödel

In reply to Re: Syntactically cool list of lists by GrandFather
in thread Syntactically cool list of lists by jettero

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