content: #!/usr/bin/osascript
  
  -- usage: source target filename
  
  on run argv
      set _source to POSIX FILE (item 1 of argv)
      set _target to POSIX FILE (item 2 of argv)
      set _name to (item 3 of argv)
      set _dst to (POSIX path of _target & "/" & _name)
      tell application "System Events"
          set _exists to (exists file _dst)
      end tell
      if (_exists) then return
      tell application "Finder"
          set _alias to make new alias at _target to _source
          set name of _alias to (item 3 of argv)
          return
      end tell
  end run
  