Hi, Igor has already pointed out the the md5sum and non-confile postinst-handled file solutions.
As to the ugly hack of trying to call dpkg -l in the middle of a dpkg run, that may not be feasible since dpkg tries very hard to serialize access to its state files. The best solution probably is to create a script in /usr/sbin/pppupd-config, and tell the user to run that when ppp has been configured. (Make sure that this line does not get lost, scrolling up the screen, on a large upgrade run. In some cases it is better to let the humans make the tough decisions. manoj -- "The country needs and, unless I mistake its temper, the country demands bold, persistent experimentation." Franklin Delano Roosevelt Manoj Srivastava <[EMAIL PROTECTED]> <http://www.datasync.com/%7Esrivasta/> Key C7261095 fingerprint = CB D9 F4 12 68 07 E4 05 CC 2D 27 12 1D F5 E8 6E -- To UNSUBSCRIBE, email to [EMAIL PROTECTED] with a subject of "unsubscribe". Trouble? Contact [EMAIL PROTECTED]