>>>>FYI with Greg's modified version 26Mb file is processed in 1.3 secs (pure VFP code).
>>>>Cetin
>>>>
>>>
>>>Sinned that it is wrong :)
>>
>>What is wrong? Timing or code? Timing might be. On my box that's what I got, yours might be more or less.
>>Cetin
>
>the code.
>
>post your code test. Thanks

Probably you're overlooking the code thinking he dropped the rightmost 'A'. He doesn't drop it. He only adjusts buffer to be one less char and makes next read from oldPos-1.
Cetin