I tend to stay away from using this type of AppleScript application, as I find that over time they can/may become resource intensive in that they continue consume more RAM. If your add the test condition to your shell script, as shown further above, then your do shell script command would be: do shell script ''/path/to/shell_script'' When saving the example AppleScript code in Script Editor, set File Format: and Stay open after run handler. # Stay Open AppleScript application is opened. # Add any AppleScript code you what run when the

If you really want to use AppleScript, and assuming a Stay Open application, then: Then, the command used in the example XML plist code would be: ProgramArguments # Code to generate your sine waveform goes here. You could also instead, include the test condition in your shell script, e.g.: #!/bin/bash Launchctl unload com.my.play.if.no.audio.is.ist To stop your Launch Agent, in Terminal: cd ~/Library/LaunchAgents/ You can read the manual page for command in Terminal by typing man command, then press enter, or for easier reading, just type command and then right-click on it and select: Open man Page If you are going to use Launch Agents and Launch Daemons, I highly recommend you read the manual pages for launchctl, ist and launchd. Then every 580 seconds your shell script will execute if there is no audio playing.Īs coded, it assumes the executable bit is set on your shell script. Launchctl load com.my.play.if.no.audio.is.ist (You may need to scroll down. Then save is as, e.g., com.my.play.if.no.audio.is.ist in ~/Library/LaunchAgents/ and load it from Terminal using, e.g.: cd ~/Library/LaunchAgents/ On your Mac, choose Apple menu > System Settings, then click Sound in the sidebar.

] || '/path/to/shell_script'Ĭhange '/path/to/shell_script' in the XML plist code to the actual fully qualified pathname of your shell script. I'd opt to use a Launch Agent, as in the following example XML plist code: You do not necessarily need to use AppleScript to accomplish the goal, although you certainly can if you want.

Mac sound output