You're right, it wouldn't be perfect. I was being a bit facetious :) A perfect solution is never really possible and in this case, if you can't have pretty good

You're right, it wouldn't be perfect. I was being a bit facetious :) A perfect solution is never really possible and in this case, if you can't have pretty good guarantees of getting it right, probably best not to try. The solution here might just be to be very careful when using such a tool.