GitHub - colinramsay/simply-robotstxt: Parse a robots.txt file in ruby

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robots.txt is an extremely simple format, but it still needs some parser loving. This class will normalise robots.txt entries for you.

USAGE
-----

With the following robots.txt:

User-agent: *
Disallow: /logs

User-agent: Google
Disallow: /admin

Sitemap: http://something.com/sitemap.xml

Use it like this:

require 'robotstxtparser'

# Also accepts a local file
rp = RobotsTxtParser.new()
rp.read("http://something.com/robots.txt")

rp.user_agent('Google') # returns ["/logs", "/admin"]
rp.user_agent('Autobot') # returns ["/logs"]

rp.sitemaps # returns ["http://something.com/sitemap.xml"]