sort-numeric-fields work great; but the field separator is whitespace. I would like to use a different delimiter (e.g.: [colon-char]).
I want this feature because I find myself resorting the
passwd files records by UID via
I suppose I could start a shell and run something like
sort -n -t ':' -k3 /etc/passwd and replace; but that seems clumsy and
sort-numeric-fields is tantalizingly close to perfect.