My emacs cperl-mode configuration that conforms to the Evergreen coding guidelines.

cperl_snippet.el

;; Use cperl-mode by default
(defalias 'perl-mode 'cperl-mode)

;; cperl-mode doesn't have an add-style command, so we create our
;; style in a defun.
(defun evergreen-perl-style ()
  "Set cperl-mode for Evergreen coding guidelines."
  (setq cperl-indent-level  4
	cperl-brace-offset 0
	cperl-continued-brace-offset 0
	cperl-label-offset -4
	cperl-continued-statement-offset 4
	cperl-close-paren-offset -4
	cperl-indent-parens-as-block t
	cperl-tab-always-indent t
	cperl-merge-trailing-else t
	cperl-left-aligned-indent-comments t
	indent-tabs-mode nil))

;; Some cperl variables that I like to turn on:
(setq cperl-electric-parens t
      cperl-electric-parens-mark t
      cperl-electric-keywords t
      cperl-electric-newline t)
  
;; cperl-mode hook
(add-hook 'cperl-mode-hook
	  (lambda ()
	    (evergreen-perl-style)
	    (local-set-key (kbd "C-c C-d") 'hungry-delete-forward)))