Hello, I am new to these forums, so I hope I don't do anything too stupid. I'll just give all the details of what I would like to do. I would like to run a shell script at 8:00AM every Monday, Wednesday, and Friday. What this shell script does is run a python script that automatically downloads the newest xkcd comic. If there is a more efficient way to do this, please let me know, but my primary concern is how to use launchd to set up this script scheduling. Thanks in advance!