How do I delete all untracked files from my working directory in Mercurial?

Question

Is it possible to delete all untracked files from my working directory? Let\'s say I added a bunch of files to my working directory, didn\'t add them via \'hg add\' and now want

Answer 1

rm $(hg st -u)

...where -u stands for "untracked" you can also pick another state.