Fish function to toggle Finder icons

finder_icons.fish

function finder_icons --description 'Script to toggle Finder icons'
	defaults read com.apple.finder CreateDesktop > /dev/null 2>&1
	set enabled $status

	switch $argv[1]
		case off
			if test $enabled -eq 1
				osascript -e 'tell application "Finder" to quit'
				defaults write com.apple.finder CreateDesktop false
				open -a Finder
				echo "Desktop icons are now turned off"
			else
				echo "Desktop icons are already off"
			end
		case on
			if test $enabled -eq 1
				echo "Desktop icons are already on"
			else
				osascript -e 'tell application "Finder" to quit'
				defaults delete com.apple.finder CreateDesktop
				open -a Finder
				echo "Desktop icons now turned on"
			end
		case status
			if test $enabled -eq 1
				echo "Desktop icons are on"
			else
				echo "Desktop icons are off"
			end
		case '*'
			echo "usage: `basename $0` ( on | off | status )"
	end
end