Path: utzoo!attcan!uunet!clyde.concordia.ca!news-server.csri.toronto.edu!utgpu!watserv1!watcgl!idallen
From: idallen@watcgl.waterloo.edu (Ian! D. Allen [CGL])
Newsgroups: comp.unix.ultrix
Subject: Re: More undocumented performance issues with dump
Message-ID: <1990Jun11.154611.7325@watcgl.waterloo.edu>
Date: 11 Jun 90 15:46:11 GMT
References: <1990Jun8.210831.25450@watcgl.waterloo.edu>
Organization: Computer Graphics Laboratory, University of Waterloo, Ontario, Canada
Lines: 10

> I guess there's something dump can figure out from the file name that
> it can't figure out with fstat() on the open device.  Too bad.
> Better not have any non-standard names for your tapes, I guess.

This was wrong.  Ultrix dump assumes that any output to stdout is to a
pipe; it doesn't do the same stat() [fstat()] tests to determine device
type that it does when you give the file name on the command line.
-- 
-IAN! (Ian! D. Allen) idallen@watcgl.uwaterloo.ca idallen@watcgl.waterloo.edu
 [129.97.128.64]  Computer Graphics Lab/University of Waterloo/Ontario/Canada