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I have the following script to take a screenshot programmatically
$ cat /Users/bamboo/capture/capture
#!/bin/bash
screencapture -o "$(dirname "$0")/screenshot.png"
When I run the script from a Terminal window for the first time, macOS asks me to give permission to the Terminal app for recording the screen. Afterwards the screenshot is stored in screenshot.png as expected.
When I try to run the same script from a launch agent, however, I only get a screenshot of the empty desktop with none of the open windows displayed.
This is the launch-agent plist
$ cat /Users/bamboo/Library/LaunchAgents/com.capture.screen.plist
<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE plist PUBLIC "-//Apple Computer//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
<plist version="1.0">
		<dict>
				<key>Label</key>
				<string>com.capture.screen</string>
				<key>KeepAlive</key>
				<true/>
				<key>ProgramArguments</key>
				<array>
						<string>/Users/bamboo/capture/capture</string>
				</array>
				<key>RunAtLoad</key>
				<true/>
				<key>StandardOutPath</key>
				<string>/Users/bamboo/capture/stdout.log</string>
				<key>StandardErrorPath</key>
				<string>/Users/bamboo/capture/stderr.log</string>
		</dict>
</plist>
I suspect this is a permission problem because before having granted permission for the Terminal app to record the screen, I was getting the same empty screenshot when running the script manually. However, no new entry shows up under Preferences > Security & Privacy > Privacy > Screen Recording after running the launch agent.
How can I give permission to the launch agent for recording the screen?
Posted
by
jm_kayak.
Last updated
jm_kayak.
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