Yes sure, it can always be attached somehow. But even if used everywhere it has it's limits and ambiguities, e.g. when dealing with .jpg vs. .jpeg, .yml vs. .ya

Yes sure, it can always be attached somehow. But even if used everywhere it has it's limits and ambiguities, e.g. when dealing with .jpg vs. .jpeg, .yml vs. .yaml and so on... It gets even more interesting when Editors create a temporary file by adding a prefix or suffix, or git/a package manager creates an additional file for conflict resolution.