From: Simon Krahnke <overlord@...>
Date: 2008-12-22T05:56:41+09:00
Subject: Re: get first and last line from txt file - how?

* Yaser Sulaiman <yaserbuntu@gmail.com> (2008-12-20) schrieb:

> I'm just wondering..
> Let's say that we only need to read the last line. Can we do that without
> reading the other lines?

Yes, of course. It's exactly the same problem as reading the first line.
The only difference is that there is a standard function for the first
line: gets.

For the last line you need to implement it yourself.

If I had mmap in Ruby, I'd just map the file into memory and do
mapped_file[/^.*\z/].

mfg,                      simon .... l