
X = hello
unset Y
unset X

task1:
	code.sh:
		ls -lh

task2: task1
	export:
		X = bye

	code.sh:
		echo $X
		touch task2_foobar.sh
	code.py:
		import os
		print 2+2
		os.system('touch task2_foobar.py')


