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Re: [Sheflug] making /etc/issue clear the screen



On 17 Oct 2002 17:59:14 +0100
Alex Hudson <home [at] alexhudson.com> wrote:

> On Thu, 2002-10-17 at 04:04, Andrew Basterfield wrote:
> > I know I can clear the screen from the console with Ctrl-L or
> > Alt-012 to produce the ASCII character 'form-feed'.
> 
> How does Ctrl-L or Alt-012 clear the screen? Neither should have that
> effect. Alt-012 is just a carriage return, Ctrl-L is an term refresh
> often. It's client, rather than terminal, dependent (I believe)?

Log in to a standard linux VT. Press Ctrl-L or Alt-012. Observe.
Look at 'man ascii'. Note the codes are in octal, not decimal.
FF = octal 014 = decimal 012

> Probably what you want is an ansi ESC[2J or something - perhaps try
> something like:
> 
> perl -e 'print chr(27)."[2J".chr(27)."[0;0H";'
> 
> (e.g., that appears to clear my screen, perhaps pop that output to a
> file and append the rest of your issue to it..)

This works for me, thanks - where do I find the other terminal ESC
sequences?

--Andrew

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