Bulk remove objects

[gjniewenhuijse]

Code:

-- delete all objects
-- except: 6/*/*
myobjects = grp.all()
for index, value in ipairs(myobjects) do
  if not (string.sub(value.address, 1, 2) == '6/') then
    --log(index,value.address)
    grp.delete(value.address)
  end
end

This code also works