[TUHS] A few comments on porting the Bourne shell

[Rob Pike]

That "someone" was Steve Bourne. At least, the version he handed me when I
built up the v8 shell was from him and clean of ELIFs.

-rob


On Sat, Dec 31, 2022 at 7:50 AM Ron Natalie <ron at ronnatalie.com> wrote:

> I was just happy when VR2 came out and found someone had undone all
> those macros that were in the original code.
> I hacked Berkeley Job Control as well as command line editing into it
> (KSH hadn’t seen the light of day outside the labs at that point).
> I subsequently had a nice talk with Korn at a USENIX.    I also sat down
> with a couple of the guys trying to implement their own shell
> independent of the ATT code and explained to them how Berkeley job
> control works.   It’s for that reason my name shows up in a lot of the
> early Linux docs.
>
> Amusingly, I’d forgotten all about this stuff until one day I was
> sitting at a MIPS workstation (MIPS branded, not the DEC spim).
> Without thinking about it, I typed “fg” at the shell prompt.
>
> “Job control not Enabled,” it said.   Hey!  That sounds like one of my
> messages.   “set -J” I type.   “Job control enabled.”
> Hey!  This is a “Ron shell” as it was known at BRL.   Turns out it went
> out on the Mach distros so I’ve found it on all kinds of things like the
> NeXT etc…
>
>
> ------ Original Message ------
> From "Sven Mascheck" <mascheck at in-ulm.de>
> To tuhs at tuhs.org
> Date 12/30/2022 3:20:28 PM
> Subject [TUHS] Re: A few comments on porting the Bourne shell
>
> >Chet Ramey on 30.12.2022 20:51:
> >>Arnold Robbins built on that work and ported the v8-v10 shells to modern
> >>Linux versions. (I am sorry, I do not have a link right now.)
> >
> >And btw, 8th ed (http://man.cat-v.org/unix_8th/1/sh) even added a simple
> history mechanism with the "=(1)" command (
> https://www.in-ulm.de/~mascheck/bourne/v8/=.html).
> >
> >Sven
> >
>
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://minnie.tuhs.org/pipermail/tuhs/attachments/20221231/ba6efe8f/attachment.htm>