fn lock

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Applescript Utilities Scripting

The below script toggles the function keys on a mac’s keyboards, between the media keys and the standard functions keys.

The script is most useful in either the script menu, which is done by placing the script in the /Library/Scripts/ or using by setting a keyboard shortcut using Alfred/Quicksilver.

tell application "System Preferences"
	set current pane to pane "com.apple.preference.keyboard"
end tell

tell application "System Events"
	if UI elements enabled then
		tell application process "System Preferences"
			get properties
			click radio button "Keyboard" of tab group 1 of window "Keyboard"
			click checkbox "Use all F1, F2, etc. keys as standard function keys" ¬
				of tab group 1 of window "Keyboard"

		end tell

		tell application "System Preferences"
			set current pane ¬
				to pane "com.apple.preference.universalaccess"
			display dialog ¬
				"UI element scripting is not enabled. Check \"Enable access for assistive devices\""
		end tell
	end if
end tell

tell application "System Preferences"
end tell