Crawl a website and download all the .pdf files on it. Note that if you use, say, '/', as the target directory, it will save them to root.
usage: main.py [-h] [-p PREFIX] base target
positional arguments:
base URL at which to start the crawl
target Directory in which to store the downloaded files
optional arguments:
-h, --help show this help message and exit
-p PREFIX, --prefix PREFIX
Remove this prefix from all files where it is present