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Ruby/Rails - Bad URI

def kb(to)

 

    uri = "http://oracleofbacon.org/cgi-bin/xml?a=Kevin Bacon&b=#{to.strip}&u=1&p=google-apps"

    doc = Nokogiri::XML(open(uri)) # throws error on this line

 

    return parse(doc)

end

       

in `split': bad URI(is not URI?): http://oracleofbacon.org/cgi-bin/xml?a=Kevin Bacon&b=Tom Cruise&u=1&p=google-apps (URI::InvalidURIError)`

       

kb("Tom Cruise")

       

irb -f

irb(main):001:0> require 'open-uri'

=> true

irb(main):002:0> open('http://oracleofbacon.org/cgi-bin/xml?a=Kevin%20Bacon&b=Tom%20Cruise&u=1&p=google-apps').read

=> "<?xml version="1.0" standalone="no"?>n<link><actor>Tom Cruise</actor><movie>A Few Good Men (1992)</movie><actor>Kevin Bacon</actor></link>"

       

irb -f

irb(main):001:0> require 'uri'

=> true

irb(main):002:0> URI.escape('http://oracleofbacon.org/cgi-bin/xml?a=Kevin Bacon&b=Tom Cruise&u=1&p=google-apps')

=> "http://oracleofbacon.org/cgi-bin/xml?a=Kevin%20Bacon&b=Tom%20Cruise&u=1&p=google-apps"