How to: deploy updated pref files

Using Apple Remote Desktop
Select a computer (or group) and choose the "Manage" menu and then "Send UNIX Command..."

The command to send:
sudo ./Users/acc/deploy_file.pl /Users/acc/com.3ivx.plist

For "Run command as:" choose "User" and enter "root" as the user name. Make sure you choose to "Display all output".