,i for certainty pasted by mario-goulart on Wed May 30 21:06:35 2012

(toplevel-command
 'i
 (lambda ()
   (let ((egg (read)))
     (system (sprintf "chicken-install ~a" egg)))))

,i for multiple eggs in my .csirc added by certainty on Wed May 30 21:25:04 2012

(toplevel-command
  'i
  (lambda ()
   (let ((eggs (read-line)))
     (system (sprintf "chicken-install ~a" eggs))))
  ",i EGG ...\t   installs the eggs given as arguments")