# Global
VAR1 = 1

out.0:
	@VAR1=0
	echo ${VAR1} > out.0 # Should display 0

out.1:
	echo ${VAR1} > out.1 # Should display 1 

out.2:
	@VAR1+=2
	echo ${VAR1} > out.2 # Should display 1 2

out.3:
	@VAR2+=0
	echo ${VAR2} > out.3 # Should display 0

out.4:
	@VAR2+=1
	echo ${VAR2} > out.4 # Should display 1

out.all: out.0 out.1 out.2 out.3 out.4
	cat out.0 out.1 out.2 out.3 out.4 > out.all
