From: Peter Szinek <peter@...>
Date: 2008-10-28T05:59:30+09:00
Subject: Re: file manipulation


On 2008.10.27., at 21:39, Vandana wrote:

> Hi All,
>
> I have one more question with file manipulation.
>
> Suppose I have the following structure in a file :
> ---------------------
> Instance J1 (
> net n1()
> net n2 ()
> net n3()
> )
> Instance J2 (
> net n1()
> net n2()
> net n3()
> )
> Instance J3 (
> net n1()
> net n2()
> net n3()
> )
> -----------------------
> As an example, I want to read J3/net n3.
> (the files are huge ....in GB)
> I can grep for n3 but it will return 3 instances of n3.
>
> How can I ensure that Im reading n3 values that belong to instance
> J3?

If I got it correctly, something like this might work:

data[/Instance J3(.+?)^\)/m, 1]

Cheers,
Peter