SITES := site01 site02
.phony: all ${SITES} du

all: ${SITES}

site01:
	@echo "更新site01..."
	@wget -p -r -l 2 -k -K -N http://mirrors.sohu.com; true

site02:
	@echo "更新site02..."
	@wget -p -r -l 2 -k -K -N http://mirrors.163.com; true

du:
	@for a in *; do du -sh $$a; done