variable line-display pager?

[Robert Bonomi]

> From owner-freebsd-questions at freebsd.org  Sat Feb 19 18:28:20 2011
> Date: Sat, 19 Feb 2011 16:23:00 -0800
> From: Gary Kline <kline at thought.org>
> To: FreeBSD Mailing List <freebsd-questions at freebsd.org>
> Cc: 
> Subject: Re: variable line-display pager?
>
> On Sat, Feb 19, 2011 at 03:52:40PM -0800, Chip Camden wrote:
> > Quoth Gary Kline on Saturday, 19 February 2011:
> > > Need help findind a way of using existing unix utilities to diplay 
> > > chunks of N lines of a text files.  Here N <= the number of lines in 
> > > the file.
> > >
> > > For instance, say that my xterm/console/"Konsole" is 80x53 lines. My 
> > > text file is around 200 lines long and I want to use more or less or 
> > > some GUI pager to display only 15 lines at one time.  Tapping the 
> > > space bar would display another 15 lines and so on until EOF.  Is 
> > > there a way of doing with with flags of the existing /usr/bin/less or 
> > > is there some other pager that I can build?
> > >
> > > thanks,
> > >
> > > gary
> > >
> > >
> > >
> > > --
> > >  Gary Kline  kline at thought.org  http://www.thought.org  Public 
> > >  Service Unix
> > >            Journey Toward the Dawn, E-Book: http://www.thought.org 
> > >            The 7.98a release of Jottings: http://jottings.thought.org
> > >
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> >
> > The -z option is supposed to do this:
> >
> > less -z15 file.txt
> >
> > But it appears to work only on the second and successive pages.
>
>
>
> Oh.  So _that's_ why.  I tried less -m 15 [because the man pages sais 
> z=N;  i just tried what you did with -z15.  Full page first time, 15 
> lines each spacebar thereafter.
>
> Zank you, Sir Chip.. Anybody else?   I'm loathe to use anything gui, but 
> here's  where I'll be happy w ith something GUI THat i can squeeze my 
> "15" or small-n lines' worth into.  Can'y believe that there is nothing 
> for all theses years....  I mean, geewhiz! Any idea where I Should look 
> in ports or how to google this?
>

how hard can it be?

  stty rows=15; less filename