Perl Christmas Quiz 2009

[Philip Newton]

On Tue, Dec 1, 2009 at 09:03, Mike Whitaker <mike at altrion.org> wrote:
>
>> (this is not an answer)
>
> But this might be:
>
> echo 169 | perl -pe '/(\d+)(?{ $_ = sqrt($^N)."\n" })/;'

Except it didn't follow the rules.

Cheers,
Philip
-- 
Philip Newton <philip.newton at gmail.com>