kastner / ruby-junk
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Description: my random ruby scripts
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Clone URL: git://github.com/kastner/ruby-junk.git
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ruby-junk / hosts.rb
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#!/usr/bin/env ruby
 
hosts = []
hosts << open("#{ENV["HOME"]}/.ssh/config").read.scan(/host\s(.+?)\n/i).uniq
 
hosts << open("#{ENV["HOME"]}/.ssh/known_hosts").read.scan(/^(.*) ssh/).map do |h| 
  host = h[0].gsub(/,.*/,'')
  host = "'#{$1} -p #{$2}'" if host.match(/\[(.*)\]:(.*)/)
  host
end
 
puts hosts.join(" ")