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/gist:4505615

Created January 10, 2013 20:43
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gistfile1.rb
@hostaddress = "192.168.2.5"
begin
@hostnamelookup = Resolv.getname(@hostaddress)
rescue Resolv::ResolvError
@hostnamelookup = ""
end
output:
/home/karl/.rvm/rubies/ruby-1.9.3-p286/lib/ruby/1.9.1/resolv.rb:128:in `getname': no name for 192.168.2.5 (Resolv::ResolvError)
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