Re: dired-guess-shell-alist-user: How to match folders instead of file types?

[Stephen Berman]

On Tue, 25 Jun 2013 14:02:21 +0200 Marius Hofert <marius.hofert@math.ethz.ch> 
wrote:

> I am not looking for a particular directory, I am rather looking for
> the name of the directory the point is on (in dired-mode).
>
> If the point is on foo.tar.gz and I use M-!, I already get the
> suggestion to 'untar' the file the point is on. I am looking for the
> same feature, but in the case where the point is on a directory in
> order to, say, to zip it. For this, I have to match directories but I
> am not sure how this can be done.

Try adding this to dired-guess-shell-alist-user as the first element in
the list (replacing the shell command invocation with what you want):

(".*" (when (file-directory-p (dired-get-filename))
        "(tar czf ? &>/dev/null &)"))

Steve Berman