'rpm --freshen': dpkg Equivalent?

From: Kenneth Jacker (khj_at_be.cs.appstate.edu)
Date: 11/07/04

  • Next message: Joris Huizer: "Re: 'rpm --freshen': dpkg Equivalent?" 
    To: debian-user <debian-user@lists.debian.org>
Date: Sun, 07 Nov 2004 11:05:01 -0500

    How can I use 'dpkg' to install a new .deb, but *only* if the package
    is already on a machine? With RPM, you can use the "freshen" option
    ("-F" or "--freshen"). But how with 'dpkg'?

    In other words:

      o If the package is already installed, then update it

      o If the package is not installed, do nothing (do *not* install it)

    Sorry if this is obvious, but I can't seem to find out how to do it!

    Thanks, 

    -- 
Prof Kenneth H Jacker       khj@cs.appstate.edu
Computer Science Dept       www.cs.appstate.edu/~khj
Appalachian State Univ
Boone, NC  28608  USA        
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