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Subject: RE: 'less' can't determine terminal size?
Date: Tue, 19 Nov 2002 21:34:29 -0500
Message-ID: <59A835EDCDDBEB46BC75402F4604D5528F74FB@elmer>
From: "Sergei Okhapkin" <sokhapkin AT LEAPSTONE DOT com>
To: "Jason Tiller" <jtiller AT sjm DOT com>, <cygwin AT cygwin DOT com>
Content-Transfer-Encoding: 8bit

Looks like rxvt bug. Did you try xterm instead?

-----Original Message-----
From: Jason Tiller [mailto:jtiller AT sjm DOT com] 
Sent: Tuesday, November 19, 2002 9:29 PM
To: cygwin AT cygwin DOT com
Subject: RE: 'less' can't determine terminal size?


Hi, Again, Sergei, :)

On Tue, 19 Nov 2002, Sergei Okhapkin wrote:

> What is the output of "stty -a" inside rxvt window?

In my fiddling, I tried adding '-geometry "80x25"' to my rxvt invocation
just to see what would happen.  Strangest thing - my window size was
*26* lines.  When I set -geometry to "80x24", rxvt opened up a *25* line
window.

Any idea why this might be happening?  In all cases, if I manually
resize the window, this seems to "sync" things up and everything's
kosher after that.

Thanks for your help,

---Jason

> -----Original Message-----
> From: Tiller, Jason [mailto:jtiller AT sjm DOT com]
> Sent: Tuesday, November 19, 2002 9:04 PM
> To: 'cygwin AT cygwin DOT com'
> Subject: 'less' can't determine terminal size?
>
>
> Hi, All, :)
>
> I updated my installation recently, and I'm now suffering from an odd 
> problem with less.  I hope that somebody can point me in a direction 
> for my own investigations.  I had been running 1.3.12, I believe - 
> after the refresh on Friday my cygwin1.dll is at 1.3.15.  bash is 
> 2.05b.0(7).  I run bash via rxvt-2.7.2-14.  Here's my rxvt run 
> command:
>
> C:\WINNT\system32\cmd.exe /c start C:\cygwin\bin\rxvt.exe -tn "rxvt" 
> -fg grey -bg black -fn "Fixedsys" -sr -sl 5000 -e /bin/bash --login -i
>
> I believe these environment variables are relevant:
>
> TERM=rxvt
> LESS=iFMSX# 8
> CYGWIN=tty nontsec
>
> My problem is this: 'less' no longer properly updates the screen when 
> I scroll through a file.  Paging forward is fine, but when trying to 
> scroll by line ('j' or 'e'), 'less' tells me that it is moving through

> the file, but the display doesn't update.  The status line (which '-M'
> enables) shows the currently displayed lines changing ('75-97', 
> '76-98', 77-99', etc.), but the displayed data doesn't change.  Paging

> forward again causes the screen to update properly.
>
> Also, when I scroll backward ('k'), the normally-blank command line 
> (bottom
> line) becomes filled with the previous status line.  So, if I'm at the

> bottom of the file and the bottom two lines are:
>
> =====>
> .bash_profile lines 105-127/127 (END)
>
> <=====
>
> Then, after pressing 'k', the bottom two lines will read:
>
> =====>
> .bash_profile lines 104-126/127 99%
> .bash_profile lines 105-127/127 (END)
> <=====
>
> This *seems* to mean to me that 'less' can't determine the right size 
> my rxvt window.  My theory is reinforced because 'less' suddenly finds

> its brains again when I resize the window manually.
>
> How should I go about fixing this?  Thanks in advance for any 
> pointers,
>
> ---Jason Tiller
>
>
>
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