On 15 February 2016 at 01:05, arisawa <arisawa@ar.aichi-u.ac.jp> wrote:

for example, assume we want to exclude all files of name that begins with “.”,
then it is probably difficult to do so using only nsfile.

Yes, although that convention isn't in Plan 9, and it might be worthwhile reconsidering how and why it is used.

If for configuration files, perhaps they should be stored elsewhere; if for access control (eg, .htaccess), perhaps

groups would be better, with dynamic group membership providing the effect of an access control list.