What does 'keys' stand for? Is it a reference?

'keys' is a Perl built-in function. It returns a list of the keys in a given hash. You should read the documentation (which I already pointed you to above).

--
<http://dave.org.uk>

"The first rule of Perl club is you do not talk about Perl club."
-- Chip Salzenberg

In reply to Re^3: importing all the values stored in an HoH into an array by davorg
in thread importing all the values stored in an HoH into an array by chinamox

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