Hi James, Pattern is not of fixed length. Actually pattern will be giving by user and it could be anything, from one line to say ten lines.
Regards, Ashish --- James Edward Gray II <[EMAIL PROTECTED]> wrote: > On Mar 18, 2004, at 8:20 AM, Ashish Srivastava > wrote: > > > Hi, > > I want to match a multiline pattern in a very big > text > > file say 500 MB. I can't take all the lines in a > > string a array in one shot due to memory problem, > I > > have to read file in chunks of line. > > Any help? > > I would think you have to get it down to the lowest > common denominator. > > How many lines can this pattern you're looking for > span? Just two or > three? If so, read line-by-line, but keep the last > couple available in > some variable. > > Maybe the pattern always starts on a certain kind of > line. If that > true, you could look for those, then read ahead > enough to see if it's > there or not. > > Hope that helps. > > James > __________________________________ Do you Yahoo!? Yahoo! Mail - More reliable, more storage, less spam http://mail.yahoo.com -- To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED] <http://learn.perl.org/> <http://learn.perl.org/first-response>