tmsu (https://github.com/oniony/TMSU/ https://github.com/oniony/TMSU/) is working on that. It's a project to give tags on all the files you care about and then

tmsu (https://github.com/oniony/TMSU/ https://github.com/oniony/TMSU/) is working on that. It's a project to give tags on all the files you care about and then lets you query them either manually on the command line, or through a virtual file system where each "subdirectory" is actually a "and this tag as well". For more complicated queries such as the one you want, it is possible to directly cd into a complicated query; see https://github.com/oniony/TMSU/wiki/Virtual-Filesystem#queries-directory https://github.com/oniony/TMSU/wiki/Virtual-Filesystem#queri... for instance.