Check emacs lisp packages

gistfile1.el

ELISP> (dolist (p '(ag cask pallet use-package))
         (let ((pkg (cadr (assq p package-alist))))
           (print (format "%s %s.%s"
                          (package-desc-name pkg)
                          (car (package-desc-version pkg))
                          (cadr (package-desc-version pkg))))))

"ag 20140322.948"

"cask 20140324.15"

"pallet 20140413.1345"

"use-package 20140317.1213"