[TUHS] Line Numbers Before SysIII nl? BSD num?

[Douglas McIlroy]

Did you use "grep -n '.' "?
grep -n '^' matches blank lines, too.

Doug

On Sat, Jul 23, 2022 at 2:51 PM Nelson H. F. Beebe <beebe at math.utah.edu> wrote:
>
> Phil Budne <phil at ultimate.com> suggests "grep -n ." to print numbered
> lines.
>
> That mostly works, but loses blank lines, although they are properly
> counted.  I typically use
>
>         awk '{print FNR ":" $0}'
>
> instead, which reports all lines, regardless of contents.
>
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