Re: Clear screan question
Of all the days, it was on Sat, Jan 27, 2001 at 01:53:31AM +0100 that Tim van Erven quoth:
> On Fri, Jan 26, 2001 at 05:03:49PM -0600, wes schreiner <wes@infosink.com> wrote:
> > Tom Breza wrote:
> > >
> > > Hi
> > >
> > > I just use fetch and I been editing filie fetchmail, after I finish
> > > editing file I log off from by presing CTRL-D but above log prompt I can
> > > read what was been done before, is any chance to clear screan complitly
> > > when I log off? That when I press SHIFT-PgUp nobody can see anything?
> >
> >
> > Most shells have a file they will run at logout. For bash this is
> > ~/.bash_logout. In my ~/.bash_logout I have:
> >
> > echo ^L^L^L^L^L^L^L^L^L^L^L^L^L^L^L^L^L^L^L^L^L^L^L^L^L^L^L^L^L^L^L
> > echo ^L^L^L^L^L^L^L^L^L^L^L^L^L^L^L^L^L^L^L^L^L^L^L^L^L^L^L^L^L^L^L
> > echo ^L^L^L^L^L^L^L^L^L^L^L^L^L^L^L^L^L^L^L^L^L^L^L^L^L^L^L^L^L^L^L
> > echo ^L^L^L^L^L^L^L^L^L^L^L^L^L^L^L^L^L^L^L^L^L^L^L^L^L^L^L^L^L^L^L
> > echo ^L^L^L^L^L^L^L^L^L^L^L^L^L^L^L^L^L^L^L^L^L^L^L^L^L^L^L^L^L^L^L
> > echo ^L^L^L^L^L^L^L^L^L^L^L^L^L^L^L^L^L^L^L^L^L^L^L^L^L^L^L^L^L^L^L
> > echo ^L^L^L^L^L^L^L^L^L^L^L^L^L^L^L^L^L^L^L^L^L^L^L^L^L^L^L^L^L^L^L
> > clear
> >
> >
> > The idea is to have enough Control-L's to clear out the scroll-back
> > buffer and the clear is there so that the next login happens at the top
> > of the screen. Works like a charm.
>
> Doesn't seem to work for me. It just prints out the '^L's. I replaced
> it with:
>
> echo -e "\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n"
> echo -e "\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n"
> echo -e "\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n"
> echo -e "\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n"
> echo -e "\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n"
> echo -e "\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n"
> clear
>
> which works just fine. Notice that this is also one echo shorter which
> is sufficient on my potato install and saves a little time.
>
> It's still got a hackish feel about it however. Anyone know if there's
> a cleaner way to do this?
>
If you have an ANSI terminal, you can put an ESC[2J ESC[0;0H in
/etc/issue. The color codes also work, BTW.
VTxxx terminals probably have a similar screen-clearing code, but I
don't know what it is.
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