add Makefile

pm5 · Aug 9, 2014 · 5f71522 · 5f71522
1 parent 5e416c1
commit 5f71522
Showing 1 changed file with 14 additions and 0 deletions.
diff --git a/Makefile b/Makefile
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+
+.PHONY: all
+
+all: plot1.png plot2.png plot3.png plot4.png
+
+power.txt: household_power_consumption.txt
+	head -n 1 household_power_consumption.txt > power.txt
+	grep '^[12]/2/2007' household_power_consumption.txt >> power.txt
+
+household_power_consumption.txt:
+	unzip exdata_data_household_power_consumption.zip
+
+plot1.png: plot1.R power.txt
+	R --save < plot1.R