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

[C Linus Hicks]

On Fri, 2021-08-13 at 22:37 -0600, Brian Inglis wrote:
> On 2021-08-13 22:05, C Linus Hicks via Cygwin wrote:
> > On Sat, 2021-08-14 at 12:59 +0900, Takashi Yano wrote:
> > > 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?
> 
> CentOS 7? xterm 295? ncurses 5.9?
> 
> -- 
> Take care. Thanks, Brian Inglis, Calgary, Alberta, Canada
> 
> This email may be disturbing to some readers as it contains
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> 

Oracle Linux 7.4 frozen in time. I haven't been able to get them to apply any updates since these
machines went into service.

XTerm(363) -- from Cygwin

ncurses-5.9-13.20130511.el7.x86_64