Script 2: AppleScript for changing settings Since this is where filesystems are mounted, anytime a drive is attached or detached from the system this will trigger the main script to run. In this case, the launcher will be told to watch the directory /Volumes to see if a any changes occur within that directory. When you log in, this script will be loaded into the system launcher process and give it conditions and instructions for run the main script for editing Safari's preferences. You will need to change the 'FILEPATH' section to change the script's location: You should now have a blank TextEdit document open, so copy the following text into it and save the document, but keep it open for now. When this is done, open it in TextEdit by running the following command: To create it, open the Terminal and type the following command (copy and paste it for simplicity): The first script to make is for the system launcher, which is called a Launch Agent. Script 1: LaunchAgent for monitoring drives If so, then it will launch the script that will check the drive name, see whether or not Safari is running, and then change Safari's settings only if they differ from primarily choosing the external drive but if it's not present then use the default Downloads folder. The first is for the system launcher 'launchd' which would be used to monitor the system's drive mount points, to see whether or not a new drive has been attached and mounted. To implement these options, two scripts would need to be created. Have the ability to restore the foremost application if the script needs to switch to Safari.

Only change settings if a new desired download location is present.Be conditional in its approach for changing settings on whether or not Safari is currently launched.Only change settings if a drive named 'Downloads' (or any desried name) is attached.Launch only when a new drive is attached.

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