NAME=Your name
PHONE=Your phone number
EMAIL=Your email 
URL=An url or some text
include config.mk

all: one.sla

config.mk:
	touch config.mk

one.sla: url.png input_one.sla config.mk
	cat input_one.sla | sed "s/%NAME%/$(NAME)/" | sed "s/%PHONE%/$(PHONE)/" | sed "s/%EMAIL%/$(EMAIL)/" >one.sla

url.png:
	qrencode -o url.png -s 4 -t PNG -d 144 -m 0 -l Q $(URL)

.PHONY: clean
clean:
	rm -f one.sla one.pdf all.pdf url.png