variable line-display pager?

Gary Kline kline at thought.org
Sun Feb 20 00:39:43 UTC 2011


On Sat, Feb 19, 2011 at 04:23:00PM -0800, Gary Kline wrote:
> 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?
> 
> 
> gary



	Ha!!  I thought there was a way.  less and more are the same
	program with different names and switches.  If you do a more
	with some small-n and a file, it prints those small-n lines to
	the screen.

	% more -15 file does what I want.  Pretty sure.

	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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