perlgolf hole - Hex to Char

Hole type: subroutine

Write a subroutine which, given a string consisting entirely of hexadecimal digits, converts pairs of digits to their ASCII character equivalents and returns the result as a list of characters. The hexadecimal digits A-F may appear in upper or lower case. There will be an even number of digits in the string.

('P', 'e', 'r', 'l', ' ', 'h', 'a', 'c', 'k', 'e', 'r')