/System/Library/LaunchDaemons/com.n8henrie.morningUpdates.pl

<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
<plist version="1.0">
<dict>
<key>Label</key>
<string>com.n8henrie.morningUpdates</string>
<key>ProgramArguments</key>
<array>
<string>/usr/bin/morningUpdates.sh</string>
<string>parameter1</string>
<string>parameter2</string>
</array>
<key>Nice</key>
<integer>20</integer>
<key>StartCalendarInterval</key>
<dict>
<key>Hour</key>
<integer>03</integer>
<key>Minute</key>
<integer>30</integer>
</dict>
</dict>
</plist>