Updating pandoc tutorial

tutorial/pandoc.org

@@ -7,12 +7,20 @@ output to a file.
 
 In the example a file "foo" is converted from ~odt~ to ~org~
 
-#+begin_src bash
+#+begin_example bash
   pandoc -s -o foo.org foo.odt
-#+end_src 
+#+end_example 
 
 Check the manual for more information:
 
 #+begin_example bash
   man pandoc 
-#+end_src
+#+end_example
+
+** Convert multiple files using 'xarg'
+
+Convert all ~odt~ files to ~emacs-org~:
+
+#+begin_example bash
+  find . -type f -name '*.odt' -print0 | xargs -0 -n2 -P2 pandoc {} -f odt -o {}.org
+#+end_example