Mail Archives: cygwin/2010/05/07/13:09:58
Hans Horn <hannes AT 2horns DOT com> writes:
> On 5/5/2010 8:28 AM, J. David Boyd wrote:
>> Thomas Wolff<towo AT towo DOT net> writes:
>>
>>> Am 04.05.2010 16:03, schrieb J. David Boyd:
>>>> ...
>>>>
>>>> Locally, I can use the mouse to resize a window, and the $COLUMNS and
>>>> $LINES variables are automatically filled in.
>>>>
>>>> On many remote xterm sessions, they aren't.
>>>>
>>>> Does anyone have any idea where to start figuring out what is wrong, and
>>>> what I can do to correct it?
>>>>
>>> LINES and COLUMNS are legacy mechanisms which may serve as a
>>> workaround if the system doesn't otherwise handle screen size changes
>>> properly. They should not be needed on modern systems where the tty
>>> driver maintains the information.
>>> (You may note that mintty has not set them initially but they get set
>>> on resize - by whatever means... - while in a cygwin console they are
>>> not used at all.)
>>> So if you happen to have these variables set on a system which does
>>> not maintain them, they don't get changed on resize and confuse your
>>> environment. In most cases the best remedy is to just unset them -
>>> does that help?
>>>
>>> ------
>>> Thomas
>>
>> Sadly enough, the system I am connecting to, SUSE Linux, does use them,
>> and the checkwinsize shopt BASH function, but, somehow, not
>> correctly....
>
> Just for curiosity: are you using 'expect' to log to the remote system?
> If so, you'd need you modify your expect script to handle SIGWINCH
> properly. Let me know...
> H.
Yes I am. I use expect to login, then go interactive. There is a
flag/setting to monitor SIGWINCH?
Tell me, please!!!
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