Generate a static back-of-a-book style index?

[Cameron Simpson]

On 07Jul2018 21:57, Tim Chase <python.list at tim.thechases.com> wrote:
>On 2018-07-08 12:12, Cameron Simpson wrote:
>> On 07Jul2018 20:11, Skip Montanaro <skip.montanaro at gmail.com> wrote:
>> >> Have you looked at the ptx command? Might be called "gptx"
>> >
>> >Thanks, Cameron. I was unaware of it. Will check it out.
>>
>> BTW, it well predates the GNU coreutils; I used it on V7 UNIX.
>
>Interesting.  Despite your V7-provenance claim, it doesn't seem to
>have persisted into either the FreeBSD boxes or the OpenBSD boxes I
>have at hand.  Bringing in anything that involves GNU coreutils adds
>it to the machine in question, but just kinda odd that those with a
>tighter tie to "real" Unix would have dropped it.

It's associated with the troff stuff generally. Maybe that's not installed?

>Off to go read `man gptx` now...

Or "man ptx", depends on your system and its install.

Cheers,
Cameron Simpson <cs at cskk.id.au>