code: def saveDirectory(alias):
  	
  	if not settings.platformCompatible():
  		return False
  	dataFile = open(settings.getDataFile(), "wb")
  	currentDirectory = os.path.abspath(".")
  	directory = {alias : currentDirectory}
  	pickle.dump(directory, dataFile)
  	speech.success(alias + " will now link to " + currentDirectory + ".")
  	speech.success("Tip: use 'hallie go to " + alias + "' to change to this directory.")
docs: save a directory to a certain alias/nickname