imgs := $(shell ls jpgs)

make.pdf : make.tex
	pdftex make.tex
make.tex : make.pre.tex
	cp make.pre.tex make.tex;
	for img in $(imgs);\
        	do echo "\img{jpgs/$$img}{$$(stat hires/$$img\
                | awk '/Mod/ {a=substr($$0, 9, length($$0)-24); split(a, b); split(b[2], c, ":"); print b[1] "\\\\par" c[1] + 4 ":" c[2] ":" c[3];}')}" >> make.tex; done;
	echo "\\\\bye" >> make.tex

.PHONY : clean
clean :
	rm -f make.tex make.pdf