Display text file using less in Cygwin terminal or xterm incorrect when lines are longer than window width

[Takashi Yano]

On Fri, 13 Aug 2021 23:46:35 -0400
C Linus Hicks <linush@mindspring.com> wrote:

> On Fri, 2021-08-13 at 23:27 -0400, C Linus Hicks via Cygwin wrote:
> > On Sat, 2021-08-14 at 11:48 +0900, Takashi Yano wrote:
> > > On Fri, 13 Aug 2021 21:47:53 -0400
> > > C Linus Hicks wrote:
> > > > On Mon, 2021-08-09 at 15:17 -0400, C Linus Hicks via Cygwin wrote:
> > > > > On Sat, 2021-08-07 at 13:33 -0600, Brian Inglis wrote:
> > > > > > Works Just Fine For Me!
> > > > > > 
> > > > > This is Cygwin 64 on Windows 10 in a VirtualBox VM, cygcheck output attached.
> > > > > 
> > > > > It has been a while since I updated Cygwin; as long as it serves my purpose, I generally don't focus
> > > > > on that; it is just a tool I use.
> > > > > 
> > > > > Since I did open this thread, of course I need to make sure I am up-to-date. I have now done that
> > > > > and I don't see issues with Cygwin terminal and less, although that is not really where I am
> > > > > focusing. I mostly use xterm windows just because there are several characteristics I like about it.
> > > > > 
> > > > > I am still seeing issues with xterm and less, as I stated in my original post.
> > > > > 
> > > > Did I post this in the wrong list? I have not gotten a response since my update.
> > > 
> > > 1) Does your problem also happen even if the text file contains only
> > >    ASCII chars?
> > > 2) What does 'which less' say?
> > > 3) What does 'infocmp' say?
> > > 
> > 
> > Most of the files I view have only ASCII text.
> > 
> > lhicks@ESG-Win10-1 ~
> > $ echo $TERM
> > xterm
> > 
> > lhicks@ESG-Win10-1 ~
> > $ which less
> > /usr/bin/less
> > 
> > lhicks@ESG-Win10-1 ~
> > $ infocmp
> > #       Reconstructed via infocmp from file: /usr/share/terminfo/78/xterm
> > 
> 
> I should further note that much of the time I am ssh'ed into one of several different Linux
> machines, so in that case, I would be running less from the Linux machine and displaying in the
> Cygwin xterm.
> 
> Hmmm, so now I'm starting to think the combination I have trouble with is an older less on a Linux
> machine and Cygwin xterm. I don't control what is installed on some of these Linux machines. Do you
> know if there were known issues with less, for example, the following is one that has significant
> issues:
> 
> [appldev3@ebs-app-dev3 HAF]$ less --version
> less 458 (POSIX regular expressions)
> Copyright (C) 1984-2012 Mark Nudelman
> 
> less comes with NO WARRANTY, to the extent permitted by law.
> For information about the terms of redistribution,
> see the file named README in the less distribution.
> Homepage: http://www.greenwoodsoftware.com/less

Then, could you please let us know the result of infocmp in the Linux
machine you run the less obove in cygwin xterm?

-- 
Takashi Yano <takashi.yano@nifty.ne.jp>