On Monday, 28 February 2022 13:38:52 GMT Neil Bothwick wrote: > On Sat, 26 Feb 2022 16:41:55 +0000, Peter Humphrey wrote: > > > After reading the responses in the thread, this appears to be one way > > > to do it. Though I think adding it to a set could be a cleaner way? I > > > haven't tried all of the suggestions yet. > > > > In passing, I thought I'd mention that I keep most of my packages in > > sets: core, base, xorg, plasma, apps and utils. My world file only gets > > used for temporary or experimental things: it has one entry at the > > moment. > > I use a set for temporary installs, saves polluting the word file. From > time to time I check the set and either remove packages or move them to > world or another set.
So this operation is commutable, as well as arithmetic etc. That is to say: A=B is the same as B=A. Well, sort of... -- Regards, Peter.

