sudo make sandwich

Makefile

default:

sandwich:
ifeq ($(shell echo $$UID), 0)
	# taken from http://www.ascii-art.de/ascii/s/sandwich.txt
	@echo "                   _.---._"
	@echo "               _.-~       ~-._"
	@echo "           _.-~               ~-._"
	@echo "       _.-~                       ~---._"
	@echo "   _.-~                                 ~\\"
	@echo ".-~                                    _.;"
	@echo ":-._                               _.-~./"
	@echo "}-._~-._                   _..__.-~_.-~ )"
	@echo "\`-._~-._~-._              /   ...-~H.-~"
	@echo "    ~-nad.._\.        _.-~ .::::  //"
	@echo "        ~-. \`--...--~ _.-~__...==~"
	@echo "           \.\`--...---+-~~~~~"
	@echo "             ~-..----~"
else
	@echo "No."
endif