The correct sorting algorithm is described here: https://manpages.debian.org/stretch/dpkg-dev/deb-version.5.en.html https://manpages.debian.org/stretch/dpkg-dev

The correct sorting algorithm is described here: https://manpages.debian.org/stretch/dpkg-dev/deb-version.5.en.html https://manpages.debian.org/stretch/dpkg-dev/deb-version.5.e... I was joking. Really I would sort file names lexicographically. But the way Debian sorts version numbers is interesting and seems like a good way of handling that particular situation.