yum downgrade?

[Kayvan A. Sylvan]

On Fri, Jun 09, 2006 at 01:57:22PM +0100, Timothy Murphy wrote:
> Ed Greshko wrote:
> 
> >>> If you normally run "yum update" you can change your procedure to simply
> >>> run "yum --exclude=dovecot* update".
> >> 
> >> Don't you have to say "yum --exclude=dovecot\* update" ?
> > 
> > I've never had to escape the * in this situation.  YMMV,
> 
> I stand corrected.
> I assumed the shell would try to expand the "*",

Yes, it will try to expand the '*'.

You can make the above command fail deliberately, of course.

Try this:

$ touch -- --exclude=dovecot-xyzzy
$ yum --exclude=dovecot* update

This will try to update dovecot, since the shell metacharacter will indeed
be expanded.

To remove the weirdly named file, do:

$ rm -- --exclude=dovecot-xyzzy

-- 
Kayvan A. Sylvan          | Proud husband of       | Father to my kids:
Sylvan Associates, Inc.   | Laura Isabella Sylvan, | Katherine Yelena (8/8/89)
http://sylvan.com/~kayvan | my beautiful Queen.    | Robin Gregory (2/28/92)
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