Marcin Borkowski: 2026-05-18 Marking today’s files in Dired (opens in new tab)

As anyone reading my blog knows, I’m a big fan of Dired. One of its killer features is the set of marking commands, which allow marking files based on their extensions, names (regex-based), contents (also regex-based). There is also a “universal marking command”, dired-mark-sexp, which allows the user to provide an Elisp expression serving as a predicate and marks all files satisfying that predicate. What’s even more, you can use several symbols in that predicate, like size or name (head to t...