.[-s SITENAME] The sitename whose filter table should be set. If omitted, defaults to current site.
.[@file] File containing the new table.

>Sets the [filter table](#path-filters) associated to the
site, either interactively or from @file.

Information about the format of site filters can be retrieved by
issuing the [filt get](#site-filters) command.

Only admins can modify filter tables of other users.

! Make everything in the current site hidden, but `.bak` files
$ echo *.bak | hv filt set

! Set site filters, from a file
$ cat @tablefile
*.idb
*.exe
$$ -s site1 @tablefile
