Re: [Boost-users] Newbie question: block read inputs to regex

From: John Maddock (john_at_[hidden])
Date: 2003-12-13 07:06:52

> I'm using regex_grep() to search through file contents for matches.  I
want to read the file in blocks to keep memory use down for large files.
What I want to know is whether there is some way of adding the next block of
memory to the grep where the last one left off.
>
> The best solution I can come up with is using some sort of
double-buffering scheme, but that would take an awful lot of memory copies
and searching some text multiple times.  Both things I would prefer to
avoid.
>
> What can I do?

Have you looked at the partial match examples - there is one that searches a
file in chunks.

John.