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Filter All URLs From Standard Input

DZone's Guide to

Filter All URLs From Standard Input

·
Free Resource
Code:

Put the following in a file named url_scrape.py.

#!/usr/bin/env python
'''Prints a list of URLs that are found in standard input.

It will only find URLs between quotes ("" or '') and starting with http://
'''

import re
import sys

# Pattern for fully-qualified URLs:
url_pattern = re.compile('''["']http://[^+]*?['"]''')

# build list of all URLs found in standard input
s = sys.stdin.read()
all = url_pattern.findall(s)

# output all the URLs
for i in all:
    print i.strip('"').strip("'")


Example Usage:

wget -O - http://madphilosopher.ca/ | ./url_scrape.py | sort | uniq
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