/loading-data-from-files/
drwxr-xr-x [up]
-rw-r--r-- 2010-11-07 01:28 +0530 1980 pendulum.txt
-rw-r--r-- 2010-11-07 01:28 +0530 1980 pendulum_semicolon.txt
-rw-r--r-- 2010-11-07 01:28 +0530 181 primes.txt
-rw-r--r-- 2010-11-07 01:28 +0530 1914 questions.rst
-rw-r--r-- 2010-11-07 01:28 +0530 338 quickref.tex
-rw-r--r-- 2010-11-07 01:28 +0530 5508 script.rst
-rw-r--r-- 2010-11-07 01:28 +0530 2226 slides.org
-rw-r--r-- 2010-11-07 01:28 +0530 2385 slides.tex