# Extract URLs from a web page to a CSV file
# $ python extract-urls.py http://mysite.com/mypage.html myfile.csv
# By Adrian Short 6 Sep 2012
  
import sys
import urllib
import csv
from bs4 import BeautifulSoup

url = sys.argv.pop(1)
out_fn = sys.argv.pop(1) # output filename for CSV file

infile = urllib.urlopen(url)
html = infile.read()
soup = BeautifulSoup(html)

with open(out_fn, 'wb') as outfile:
    writer = csv.writer(outfile)
    
    # You can use a CSS selector as an alias for find_all()
    for link in soup('a'):
        writer.writerow([link.string, link.get('href')])