Homepage: https://emacswiki.org/emacs/download/help-dwim-perldoc.el
Updated:
Dwim interface to perldoc
Put this file into your load-path and the following into your ~/.emacs:
(require 'help-dwim-perldoc)
(add-hook 'cperl-mode-hook
(lambda () (help-dwim-active-type 'perldoc)))