TODO
Example: Available options
mark@atlantis$ ./feedparser.py --help usage: feedparser.py [options] url_or_filename_or_- options: --version show program's version number and exit -h, --help show this help message and exit -A AGENT, --user-agent=AGENT User-Agent for HTTP URLs -e URL, --referer=URL, --referrer=URL Referrer for HTTP URLs -t TAG, --etag=TAG ETag/If-None-Match for HTTP URLs -m DATE, --last-modified=DATE Last-modified/If-Modified-Since for HTTP URLs (any supported date format) -f FORMAT, --format=FORMAT output results in FORMAT (text, pprint) -v, --verbose write debugging information to stderr