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Re: clearing the console



thanks for that

I am using functional developer in windows
i tried both:

format-out("%s", as(<character>, 12));
format-out("\<1B>[H\<1B>[J");

but neither worked.
any ideas for what it is in windows?

thanks

matthew

Bruce Hoult wrote in message ...
>In article <955162012.713202@clint.waikato.ac.nz>, "Matthew Luckie"
><kluckie@ihug.co.nz> wrote:
>
>> Hi there
>>
>> I am writing some code that shows a board to the user each iteration
through
>> a loop.
>> I want this board to appear at the top of the console each time.
>> How do i clear the console screen in dylan so this happens?
>>
>> In c, the function that achieved this (from memory) was clrscr() although
i
>> cannot find any reference to that call in my documentation so i might be
>> false.
>
>This depends on your operating system environment, not on Dylan.  On some
>systems this might work by printing a form feed (control-J,
>as(<character>, 12)) while on others it is something different.
>
>In a telnet session to my Linux machine I just tried:
>
>   $ clear >mmm
>
>... and edited the file "mmm" in hexile mode in emacs and it contained...
>
>   <esc>[H<esc>[J
>
>This makes sense for an ANSI terminal, and indeed "echo $TERM" says
"vt102".
>
>You can print this sequence in Dylan using:
>
>   format-out("\<1B>[H\<1B>[J");
>
>
>On the other hand, in an Xterm "clear" produces <esc>[H<esc>[2J.  No doubt
>in other sorts of terminals it will produce other sequences.  In order to
>do it correctly on Unix you need to use the terminfo/curses stuff.  Or
>something else if you're not using Unix...
>
>-- Bruce





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