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X-Authentication-Warning: hp2.xraylith.wisc.edu: khan owned process doing -bs
Date: Mon, 29 Jan 2001 17:23:27 -0600 (CST)
From: Mumit Khan <khan AT NanoTech DOT Wisc DOT EDU>
To: Cygwin Mailing List <cygwin AT sourceware DOT cygnus DOT com>
Subject: Re: tar ball with illegal file names
In-Reply-To: <3A75EAF8.73CCECE5@yahoo.com>
Message-ID: <Pine.HPP.3.96.1010129171730.28810F-100000@hp2.xraylith.wisc.edu>
MIME-Version: 1.0
Content-Type: TEXT/PLAIN; charset=US-ASCII

On Mon, 29 Jan 2001, Earnie Boyd wrote:

> tar --to-stdout -xf foo.tar foo:bar > foobar

This is a great trick that I certainly didn't remember when the
original question came up. Thanks.

I remember thinking about this issue a while back, especially
because my own software package has (had rather) filenames with 
colons (common in a section of VLSI CAD community way back)
as well as directories called aux and such. I had considered a 
"translation table" that will map illegal names to something that 
will be understood by underlying OS when extracting the archive, 
and creating a "map" file in each directory that will contain the 
translation to the original name.  When creating the archive, the 
map file will do the reverse translation. I did patch cvs to do 
this back in B19 days, but who knows where that code is. Does this 
sound like something worthwhile? fyi, gcc implements a very similar 
mechanism, using a map file named header.gcc.

Regards,
Mumit



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