On 2011-12-05, Steven D'Aprano <steve+comp.lang.pyt...@pearwood.info> wrote:
> On Mon, 05 Dec 2011 16:23:55 +0000, Grant Edwards wrote:
>
>> On 2011-12-05, Chris Angelico <ros...@gmail.com> wrote:
>>> On Tue, Dec 6, 2011 at 3:09 AM, Steven D'Aprano
>>><steve+comp.lang.pyt...@pearwood.info> wrote:
>>>>
>>>> Is there a way to erase the character other than backspacing, writing
>>>> a space, then backspacing again? That feels inelegant.
>>>
>>> Emitting "\b \b" is one very common way to do a destructive backspace.
>>> Inelegant? Perhaps, but a common inelegance.
>>
>> That's pretty much the only way I've seen it done for the past 25 years.
>>
>> What would be more elegant?
>
> For backspace to actually backspace, and not just move the cursor.
Ah, but "just move the cursor" is what backspace has always meant.
It's been that way for 100 years -- since the days of typewriters and
teletypes. ;)
> Thanks for those who answered, I guess I'll just do the backspace,
> space, backspace dance.
After thinking a while, I do remember one program I ran across
recently that when you hit backspace would erase the entire line, then
rewrite the entire line stopping one character short of where it was
before. Even at network speeds it was noticable when the link was
encrypted.
--
Grant Edwards grant.b.edwards Yow! Inside, I'm already
at SOBBING!
gmail.com
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