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Date:	Mon, 11 Feb 2002 23:14:06 +0200
Message-Id:	<200202112114.g1BLE6T14104@unix.simonwiesel.co.il>
From:	"Ehud Karni" <ehud AT unix DOT simonwiesel DOT co DOT il>
To:	sk DOT mail AT btinternet DOT com
Cc:	Scott DOT Prive AT storigen DOT com, cygwin AT cygwin DOT com
Subject:	Re: LINES environment variable
In-reply-to:	<026a01c1b335$b17a85c0$01000001@sknet01> (message from Stephano
	Mariani on Mon, 11 Feb 2002 19:52:53 -0000)
Organization:	Mivtach-Simon Insurance agencies
Reply-to:	ehud AT unix DOT simonwiesel DOT co DOT il
References:	<026a01c1b335$b17a85c0$01000001 AT sknet01>
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On Mon, 11 Feb 2002 19:52:53 -0000, Stephano Mariani <sk DOT mail AT btinternet DOT com> wrote:
> I am using the windows 2000 command prompt, which does not impose a
> limit (and is set to 80 anyway). Nevertheless, I tried this using rxvt
> and found that the variable was not set (I cant imagine that the
> environment variable was not `picked-up', something must be changing it,
> and I just haven't figured out why). I have tried this under linux and
> all was well, I am convinced that cygwin is involved.
> 
> I have also set the variable as part of the global environment, and
> after a reboot, found that all non-cygwin processes reported the correct
> value, whereas cygwin processes did not.
> 
> I will investigate when I have some more time.

May I point you to 2 paragraphs in the `bash' man page (2.05):

  LINES  Used by the select builtin command to determine the column length for print-
         ing selection lists.  Automatically set upon receipt of a SIGWINCH.

  COLUMNS
         Used  by  the  select  builtin  command to determine the terminal width when
         printing selection lists.  Automatically set upon receipt of a SIGWINCH.
and
   checkwinsize
         If set, bash checks the window size after each command and, if necessary,
         updates the values of LINES and COLUMNS.

So bash is actively updating the `LINES' and `COLUMNS' (only if they
are already in the environment). I hope this clarify the situation.

Ehud.


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