hush_test/hush-misc/builtin1.tests

# builtins, unlike keywords like "while", can be constructed
# with substitutions
VARIABLE=export
$VARIABLE VARIABLE
env | grep ^VARIABLE
echo OK:$?
1	# builtins, unlike keywords like "while", can be constructed
2	# with substitutions
3	VARIABLE=export
4	$VARIABLE VARIABLE
5	env \| grep ^VARIABLE
6	echo OK:$?