OS pdfs

gistfile1.py

import requests
from bs4 import BeautifulSoup
import wget  
import os       
             
url = 'http://www.cs.rutgers.edu/~vinodg/teaching/fall-2014-cs416/'
try:         
    os_dir = 'OS'
    os.mkdirs(os_dir)
except OSError:
    if not os.path.isdir(os_dir):
        raise
os.chdir(os_dir)
res = requests.get('http://www.cs.rutgers.edu/~vinodg/teaching/fall-2014-cs416/schedule.html')
soup = BeautifulSoup(res.text)
for a in soup.select('a'):
    if 'pdf' in a['href']:
        if 'http' not in a['href']:
            wget.download((url+a['href']))
            print url+a['href']
        else:
            wget.download((a['href'])) 

All of the OS pdf's that we need