added about 10 elisp keywords. work in progress to add more.

snippets/emacs-lisp-mode/x-dired.process_marked.yasnippet

@@ -0,0 +1,16 @@
+#contributor: Xah Lee (XahLee.org)
+#name: process marked files in dired
+# --
+;; idiom for processing a list of files in dired's marked files
+ 
+;; suppose myProcessFile is your function that takes a file path
+;; and do some processing on the file
+
+(defun dired-myProcessFile ()
+  "apply myProcessFile function to marked files in dired."
+  (interactive)
+  (require 'dired)
+  (mapc 'myProcessFile (dired-get-marked-files))
+)
+
+;; to use it, type M-x dired-myProcessFile