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

From: annirak_at_[hidden]
Date: 2003-12-17 12:12:45

----- Original Message -----
From: John Maddock <john_at_[hidden]>
Date: Saturday, December 13, 2003 4:06 am
Subject: Re: [Boost-users] Newbie question: block read inputs to regex

> > 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.

Ah, thank you, somehow I had missed that.

--Brendan