examples/intro/pipes.txt
$ ls -l examples/intro/
total 32
-rw-r--r--  1 gabor  staff  282 Apr 11 08:37 pipes.txt
-rw-r--r--  1 gabor  staff   15 Mar  2 15:19 redirection.txt
-rw-r--r--  1 gabor  staff  896 Apr 11 08:19 redirection_bash.txt
-rw-r--r--  1 gabor  staff  238 Apr 11 08:20 redirection_tcsh.txt

$ ls -l examples/intro/ | wc
       5      38     257