[TUHS] The UNIX Command Language (1976)

[Clem Cole]

Yup early shell's equated ^ and |

The problem was while the Model - 33,  post 1965 could print a vertical
bar, as note 2 of page three of teletypes document: "33 Keyboard" General
Description and Principles of Operations" ISS 4, Section 574-121-100TC
(Issue 4, June 1974), the keyboard could not generate it.

On Thu, Dec 3, 2020 at 3:43 PM Larry McVoy <lm at mcvoy.com> wrote:

> On Thu, Dec 03, 2020 at 09:37:17PM +0100, Niklas Karlsson wrote:
> > Den tors 3 dec. 2020 kl 21:32 skrev M Douglas McIlroy <
> > m.douglas.mcilroy at dartmouth.edu>:
> >
> > > There's a back story. The paper appears in the proceedings  of a
> > > conference held in London in 1973, a few months after the advent of
> > > pipes. While preparing the presentation, Ken was inspired to invent
> > > and install the pipe operator. His talk wouldn't have been nearly as
> > > compelling had it been expressed in the original pipeline syntax (for
> > > which I take the blame).
> > >
> >
> > Now I'm curious. Is there anywhere I can read about the original pipeline
> > syntax? I tried searching a bit, but the only mention that was even
> vaguely
> > informative only stated that > was involved.
>
> Wasn't there a version that was
>
>         cat whatever ^ wc -l
>
> ?
>
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