On 12/19/18 1:41 PM, enh via Toybox wrote: > it turns out that we have a few users of `sort -V`. i'd always assumed > this meant "use the GNU strverscmp(3) function as your comparator" but > no, it's slightly different... > > https://www.gnu.org/software/coreutils/manual/html_node/Details-about-version-sort.html
That's really unpleasant. > the first github match for that function says this: > > This implements the algorithm for comparison of version strings > specified by Debian and now widely adopted. The detailed > specification can be found in the Debian Policy Manual in the > section on the 'Version' control field. This version of the code > implements that from s5.6.12 of Debian Policy v3.8.0.1 > http://www.debian.org/doc/debian-policy/ch-controlfields.html#s-f-Version That's outright insane. > at which point i _wish_ it was just the stupid strverscmp... While I have some experience in this area: https://github.com/landley/aboriginal/blob/master/sources/functions.sh#L248 It's not a happy thing. What is the _context_ of the users of sort -V? If I do try to implement something, what does success look like here? (Do we have a sort.test patch we can start with?) Rob P.S. Still trying to finish grep --color, probably not getting to this today... _______________________________________________ Toybox mailing list [email protected] http://lists.landley.net/listinfo.cgi/toybox-landley.net
