On Tue, Feb 04, 2025 at 11:23:58AM -0500, Greg Wooledge wrote: > On Tue, Feb 04, 2025 at 08:12:42 -0800, Mike Castle wrote: > > On Tue, Feb 4, 2025 at 4:04 AM Andrew M.A. Cater <amaca...@einval.com> > > wrote: > > > apt list '~o' > > > > Where is '~o' documented? apt(1) mentions dpkg-query, but I couldn't > > find it mentioned there either. > > It's documented as part of "aptitude", I believe, but it's not in the > aptitude(8) man page, because that would be too easy. >
It's documented as part of aptitude and apt, yes. > <https://manpages.debian.org/bookworm/aptitude/aptitude.8.en.html> > includes this paragraph (buried deep, searching for ~ eventually gets > to it): > > This command accepts package names or patterns as arguments. If > the string contains a tilde character (“~”) or a question mark > (“?”), it will be treated as a search pattern and every package > matching the pattern will be considered (see the section “Search > Patterns” in the aptitude reference manual). > I think it's just searching for a status matching ?o - so that matches "obsolete", for example. Trying it with '~i' gives you everything that is i[nstalled], by comparison. That's a long list, going down to zstd. aptitude list -h gives you more help detail. Hope this helps - all the best, as ever, Andrew Cater (amaca...@debian.org) >
