Generate a list of GGSE instructional hostnames

ggse_hostnames.rb

all_rooms = []

%w[
  4211 4219 4108 4205 4201
  3242 3209 3138 3134 3130
  3112 2209 2101 1217 1215
  1213 1211 1207 1205 1203
  1201
].map do |room|

  %w[win mac].each do |os|

    [*1..30].each do |i|
      all_rooms.push "#{room}-#{os}-#{i}"
    end if room == '4211'

    %w[r b].each do |color|
      all_rooms.push "#{room}-#{os}-#{color}"
    end unless room == '4211'
  end
end

puts all_rooms