From: Randy Kramer <rhkramer@...>
Date: 2005-03-04T11:21:54+09:00
Subject: Re: How/Where is a Stream Stored?

On Thursday 03 March 2005 05:56 pm, Guillaume Marcais wrote:
> On Thu, 2005-03-03 at 05:26 +0900, Randy Kramer wrote:
> It depends on the type of stream. You can backtrack easily with a file,
> but you can't with non-seekable stream (like stdin, network socket,
> etc.). So using IO#seek would prevent your program to work as a UNIX
> filter (reading from stdin, writing to stdout). Might be or not be a
> great deal to you, your call...

...

> All disk operations on recent OS are cached. Backtracking a small amount
> is likely not to generate any disk activity.

Guillaume,

Thanks!

Randy Kramer