# File lib/rudy/cli/machines.rb, line 125
125:       def disassociate_machines_valid?
126:         @mlist = get_machines
127:         @alist = Rudy::AWS::EC2::Addresses.list || []
128:         @alist_used    = @alist.select { |a|  a.associated? }
129:         @alist_instids = @alist_used.collect { |a| a.instid }
130:         @mlist_static  = @mlist.select do |m| 
131:           @alist_instids.member?(m.instid)
132:         end
133:         raise NoMachines, current_group_name if @mlist.empty?
134:         true
135:       end