variable line-display pager?

[Chip Camden]

Quoth Robert Bonomi on Sunday, 20 February 2011:
> > 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
> > > >
> > > > _______________________________________________
> > > > freebsd-questions at freebsd.org mailing list 
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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

That's the V8 answer, but the syntax needs correcting:

    stty rows 15; less filename

Works with 'more', too.

-- 
Sterling (Chip) Camden | sterling at camdensoftware.com | 2048D/3A978E4F
http://chipsquips.com  | http://camdensoftware.com   | http://chipstips.com
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