Sketchup script to quickly change colors on many Sketchup::ComponentInstance

sketchup_change_color.rb

# search all Sketchup::ComponentInstance included partial_name and apply a material
def apply_material_on_all_instance material_name, partial_name
  material = Sketchup.active_model.materials[material_name]
  Sketchup.active_model.definitions.each{|d| 
    if d.name.include? partial_name
      puts d.name
      d.instances.each{ |inst|
        inst.material = material
        puts "\tinstance colored"
      }
    end
  }
end