From: Ned Konz <ned@...>
Date: 2002-07-09T07:42:22+09:00
Subject: Re: How to determine EOF with sysread?

On Monday 08 July 2002 01:34 pm, Jim Freeze wrote:

> You have a point, but everyone that provided code to answer my
> question assumed there was no errors in reading. In other words, if
> we use the exception to catch an EOF, we have to be able to
> distinquish it from a 'real' error. So, if the file is 100 bytes,
> and it only reads fifty, I would like to know about it.
>
> Seems I would have to add some code to sum the bytes read and
> re-throw if the exception is caught before the end of the file is
> reached.

Depends on whether you know how big it needs to be.
But if you just want to catch read errors, just catch SystemError 
somewhere (possibly higher). No need to re-throw at this level.


-- 
Ned Konz
http://bike-nomad.com
GPG key ID: BEEA7EFE