Re: page-at-a-time output for M-x shell

[Francis Moreau <francis.moro@gmail.com>]

On 14 juil, 12:55, p...@informatimago.com (Pascal J. Bourguignon)
wrote:
> Teemu Likonen <tliko...@iki.fi> writes:
> > On 2009-07-13 13:42 (-0700), Samuel Wales wrote:
>
> >> I read the whole thread, and I am surprised at how thoroughly and
> >> repeatedly the OP was misunderstood.
>
> > Then I'm certainly one of those. Sorry about that, Francis.
>
> >> I think what he wants is shell mode (not term) but to have some sort
> >> of less-like solution (not less itself) for paging output. Page up and
> >> prompt search and term in line mode are all good ideas, but he
> >> probably tried them.
>
> > Hmm, speaking speculatively, would it be some code in shell.el (or much
> > likely comint.el) which stores shell commands' output in an intermediate
> > hidden buffer or some Lisp data type and then pages it to *shell* buffer
> > for user? I'm pretty sure that that would be possible to implement.
>
> Of course.  It is ALREADY implemented.  That data structure is called
> BUFFER, and the pages are called WINDOWS.  There is a user interface
> to let the user scan the pages, they're the PgUp and PgDn keys (PAGE
> UP, PAGE DOWN).

No it's not.

What you propose with PgUp/PgDn is a _workaround_.

>
> How much silliness must we endure each day???
>
> But note however, that M-x term implements an automatic pager in
> emacs, so you don't even have to remember to type |less : as soon as
> the output is more than a window-long, the term emacs pager jumps in.  
>

So why is it silly to implement the 'automatic pager emulation' in
shell mode and not in 'M-x term' ?