From: barjunk <barjunk@...>
Date: 2007-06-12T15:15:04+09:00
Subject: Re: Ruby way to update a file in place

On Jun 11, 6:23 pm, "lrleb...@gmail.com" <lrleb...@gmail.com> wrote:
> On Jun 11, 2:42 pm, Li Chen <chen_...@yahoo.com> wrote:
>
> > Hi all,
>
> > I just wonder what is the Ruby way to update a file in place. Do I need
> > to open a temporary/new file for writing and then rename the temporary
> > file?
>
> > Thanks,
>
> > Li
>
> > --
> > Posted viahttp://www.ruby-forum.com/.
>
> I've used the rio library for this before.http://rio.rubyforge.org/.
> The website has some very good examples on how to use it.
>
> Luis

That's a nice library...I didn't notice any thing about locking the
file object.  I'm assuming that that would be done outside the use of
the rio object.

I was also wondering if you thought you could use that library to read
files that have records that look like:

start line 1
line 2
line 3
end line4

and treat the above four lines as a record?

Mike B.