[TUHS] EOF on pipes?

arnold at skeeve.com arnold at skeeve.com
Sun Feb 25 23:56:08 AEST 2018

George Michaelson <ggm at algebras.org> wrote:

> Designing things is hard. I guess the reality is, you do the bare
> minimum neccessary to make it work. Anything else is adding cost.


> (I hesitate to say <- and -> might have worked too. few pipes are
> bi-directional. Also, the = is being used in ls -lF to denote what
> things are non-normal files...)

The = as part of the -F option originates from BSD. It was in 4.2 for sure
(circa 1983); I don't know if it appeared any earlier. But this is
close to 10 years after | was invented for pipes.


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