add relevant xkcd

[using_make_for_science.git] / Makefile

diff --git a/Makefile b/Makefile
index 4cacffb1227dcb120c6b7a135f52d77026283fac..a872af4b8169c6bb8a3bdd483b276b2aec999b83 100644 (file)
--- a/Makefile
+++ b/Makefile
@@ -2,6 +2,9 @@
 
 all: using_make_for_science.pdf
 
+relevant_xkcd.png:
+       wget -O $@ "http://imgs.xkcd.com/comics/automation.png"
+
 %.tex: %.Rnw
        R --encoding=utf-8 -e \
        "library('knitr'); knit('$<')"