Path: utzoo!attcan!uunet!zephyr.ens.tek.com!uw-beaver!sumax!thebes!polari!6sigma2
From: 6sigma2@polari.UUCP (Brian Matthews)
Newsgroups: comp.lang.perl
Subject: Re: Nasty perl rename bug
Message-ID: <1964@polari.UUCP>
Date: 2 May 90 02:50:59 GMT
References: <1952@polari.UUCP> <7930@jpl-devvax.JPL.NASA.GOV>
Reply-To: 6sigma2@polari.UUCP (Brian Matthews)
Organization: PolarServ, Seattle WA
Lines: 12

In article <7930@jpl-devvax.JPL.NASA.GOV> lwall@jpl-devvax.JPL.NASA.GOV (Larry Wall) writes:
|In article <1952@polari.UUCP> 6sigma2@polari.UUCP (Brian Matthews) writes:
|: The rename emulation first unlinks the destination, but this is a Bad Thing
|: if the source and dest are the same.
|Ouch.  And it's rather difficult to do it right, since two differing strings
|may in fact refer to the same directory entry.  Sigh...

Let the kernel do the hard stuff :-)  Just stat the two files, and do
the obvious.  In fact, it's probably fairly simple to do in perl
itself, but it still needs to be done in C someday.
-- 
Brian L. Matthews	blm@6sceng.UUCP