clear screen?

[Wei Ku]

Hello, $Bill:

Sorry to say this: the second way you 
mentioned does not work:

> 2) compile this into clear.exe or 
cls.exe:
>         #include <stdio.h>
>         int main () { 
printf("033[2J"); }



Here is an example that will work ( use 
g++ -o cls cls.cpp ):

[cls.cpp]

#include <iostream.h>  

int main () {
  char a = 27u;
  cout << a << "[2J";
  return 0;
}

And I am sure that you can figure out 
several ways to do this in pure C in order to generate a more compact binary 
executable file.

Sincerely,
Wei Ku

***************************************
Department of Physics and Astronomy
The University of Tennessee
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weiku@utkux.utcc.utk.edu
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***************************************



 ----
From: $Bill Luebkert <dbe@wgn.net>
To: john.cooper@digitivity.com
Cc: GNU-Win32@cygnus.com
Date: Tuesday, July 01, 1997 6:47 PM
Subject: Re: clear screen?

John Cooper wrote:
>
> Is there a command to clear the screen when using bash?
>
> `type clear' and `type cls' reveal nothing.

Here's three things you can try:

1) alias cls='echo -n 
^[[2J'            # the 
^[ is an esc (in vi I use ^V followed by
                                        
# ^[ where ^ is holding down the cntrl key)

2) compile this into clear.exe or cls.exe:

        #include <stdio.h>
        int main () { 
printf("033[2J"); }

3) alias cls='cat ~/.cls'
        where .cls contains just these 4 
chars with no \n or spaces (ESC [ 2 J)

HTH,
--
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