Toggle Hidden File Visibility

gistfile1.txt

tell application "System Events"
	
	set hiddenFilesDisplayStatus to do shell script "defaults read com.apple.finder AppleShowAllFiles"
	set hiddenFilesNewDisplayStatus to "NO"
	
	if hiddenFilesDisplayStatus is "NO" then
		set hiddenFilesNewDisplayStatus to "YES"
	end if
	
	do shell script "defaults write com.apple.finder AppleShowAllFiles " & hiddenFilesNewDisplayStatus
	do shell script "killall Finder"
	
end tell