Jim Meyering wrote: ... > Regarding --exclude, its name is problematic since there's already an > --exclude-type option. Adding a new --exclude option would render invalid > any existing use of the perfectly valid abbreviation, --exclude=$FS_TYPE > > And then some would probably want an --include option to go along with it. > This makes me wonder about different semantics, say --filter=[-+]REGEXP > where --filter=-EXCLUDE_RE and --filter=+INCLUDE_RE. > Or maybe even encode more. What if you want to filter > based on the "Mounted-on" name and I want to filter > based on the "Filesystem" column?
Besides, once the columns are reordered, you can filter just fine using grep.