A diff for coreutils/src/ls.c to add a purple-colored skittles to every directory listing, even in ls -R.

skittles.diff

diff --git a/src/ls.c b/src/ls.c
index cd5996e..102599b 100644
--- a/src/ls.c
+++ b/src/ls.c
@@ -2668,6 +2668,10 @@ print_dir (char const *name, char const *realname, bool command_line_arg)
       process_signals ();
     }
 
+  total_blocks += gobble_file ("skittles", sock,
+          0,
+          false, name);
+
   if (closedir (dirp) != 0)
     {
       file_failure (command_line_arg, _("closing directory %s"), name);