Double-Loop in msbuild?

Question

I\'m writing a script for msbuild which should make two batches in one step.
Example: 2 ItemGroups

Answer 1

One can also make triple nested loops using the technique of Dog Ears.

  
    
      
      
      
      
      
      
      
        
        %(Loop2.Identity)
      
      
        
        %(Loop3.Identity)