xkcd 149

Makefile

# make me a sandwich
# a small makefile following xkcd 149: "Sandwich"

all:
	@rm .me .a 2>/dev/null; \
	exit 0

me:
	@touch .me
a:
	@touch .a
sandwich:
	@if [ -f .me ] && [ -f .a ]; then \
		if [ $$(whoami) != "root" ]; then \
			echo "What? Make it yourself."; \
		else \
			echo "Okay."; \
			echo "🥪" > sandwich.txt; \
		fi; \
	else \
		printf "\033[0;31mError: incomplete command\033[0m\n"; \
		exit 0; \
	fi; \
	rm .me .a