From: 7stud -- <lists@...>
Date: 2012-09-10T05:11:00+09:00
Subject: Re: Need help with my logic

given_server = "DK-vk-2.domain.lan"
server_types = ['vk', 'vh', 'vm']

start, type, the_rest = given_server.split('-')
puts type

--output:--
vk

other_two = (server_types - [type]).map do |new_type|
  [start, new_type, the_rest].join('-')
end

p other_two

--output:--
["DK-vh-2.domain.lan", "DK-vm-2.domain.lan"]

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