in reply to How's your Perl?
$ perl -e '$foo = \$^S; print eval(q[$$foo]) != eval(q[0+$$foo]) ' 1 [download]
Perl 6 Perl 8 Perl 9 Camelia Rakudo Perl++ $$Perl Purl Dimond Xmas ℵ₀ Perl Sex Oystr Other
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