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Subject: RE: exiting vim changes background colour of console
Date: Thu, 20 Oct 2005 07:20:51 +1000
Message-ID: <88ACCA0E0A7A914DAFBA3918021605D24E3FD3@WPEXCH08.colesmyer.ad.cmltd.net.au>
From: "Robert Bram" <Robert DOT Bram AT colesmyer DOT com DOT au>
To: <cygwin AT cygwin DOT com>
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Hi Igor,

> > > > > > ==
> > > > > > I am finding that when I exit from vim, it turns my background
> > > > > > back into black (which is how I had it before I tried changing
> > > > > > it today). Is there a setting or something I have forgotten to
> > > > > > change?
> > > > > > ==
> > > > > > Actually this is happenning not just after vim.. but even after
> > > > > > I exit "less"!
> > > > >
> > > > > Works for me.  Did you close the console window and re-open one after
> > > > > changing the colors?  Before doing this, the console colors are known
> > > > > to be scrambled as you describe above.
> > > >
> > > > Yes I closed and re-opened the console and the problem recurs. :-/
> > >
> > > vim (and less, since you seem to have the same problem there) use
> > > something called an "alternate screen".  This is a feature of the terminal
> > > that allows the program to make arbitrary modifications to the terminal
> > > screen that will be undone when the program switches back to the main
> > > screen.  In particular, any color changes will be undone.  Consequently,
> > > if you wish to change the color of the main screen, don't do this while
> > > running vim or less.
> > > HTH,
> >
> > I admit to being somewhat confused by your remark - I didn't change the
> > screen while running vim or less. I edited the properties of the console
> > so that it would affect all consoles with the same name, changed the PS1
> > environment variable in my .bash_profile, closed the console, re-opened
> > it, ran vim and/or less, exited vim and/or less and then found the
> > console colors changed. Have I misunderstood your point?
> >
> > Interestingly, I find that I can keep pressing ENTER and 'clear' the
> > screen back to how it was, but this is an ugly solution.
>
> What is the value of your PS1 variable?  Does it, perhaps, contain the
> code at the end that resets the background?  That was the only way I could
> reproduce the behavior you report on my machine.

My PS1 variable is:
\e[47m\n\s\v User \u on host \h in dir \w\n\d \@>\e[0;30m

bash2.05b User rbram on host cml035835 in dir /cygdrive/c/eTech/eForms2
Thu Oct 20 07:16 AM> echo $PS1
\e[47m\n\s\v User \u on host \h in dir \w\n\d \@>\e[0;30m

Rob
:)

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