Deleting Data Woefully Slow

[Alex Tweedly]

Mark Wieder wrote:
> Alex-
>
> Thursday, March 25, 2010, 5:57:48 PM, you wrote:
>
>   
>> delete line -1   requires
>>      search for every CR   (i.e. scan every char in the whole large 
>> piece of data)
>>       adjust some pointer to truncate
>>     
>
> Not necessarily. See my response to Richard. I'd find the end of the
> text and work my way back.
>
>   
You're right Mark. When I said "requires" I should have said "currently 
does" - or even "appears to currently do" :-)

It looks like it would be a worthwhile change to use rindex (or 
equivalent) for all references to "line -N".

-- Alex.